java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 11:03:49,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 11:03:49,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 11:03:49,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 11:03:49,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 11:03:49,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 11:03:49,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 11:03:49,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 11:03:49,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 11:03:49,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 11:03:49,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 11:03:49,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 11:03:49,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 11:03:49,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 11:03:49,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 11:03:49,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 11:03:49,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 11:03:49,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 11:03:49,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 11:03:49,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 11:03:49,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 11:03:49,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 11:03:49,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 11:03:49,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 11:03:49,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 11:03:49,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 11:03:49,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 11:03:49,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 11:03:49,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 11:03:49,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 11:03:49,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 11:03:49,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 11:03:49,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 11:03:49,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 11:03:49,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 11:03:49,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 11:03:49,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 11:03:49,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 11:03:49,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 11:03:49,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 11:03:49,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 11:03:49,971 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 11:03:49,986 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 11:03:49,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 11:03:49,986 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 11:03:49,987 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 11:03:49,987 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 11:03:49,988 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 11:03:49,988 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 11:03:49,988 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 11:03:49,988 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 11:03:49,988 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 11:03:49,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 11:03:49,989 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 11:03:49,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 11:03:49,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 11:03:49,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 11:03:49,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 11:03:49,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 11:03:49,990 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 11:03:49,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 11:03:49,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 11:03:49,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 11:03:49,991 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 11:03:49,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 11:03:49,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:03:49,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 11:03:49,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 11:03:49,992 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 11:03:49,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 11:03:49,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 11:03:49,993 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 11:03:50,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 11:03:50,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 11:03:50,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 11:03:50,059 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 11:03:50,060 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 11:03:50,061 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2019-09-10 11:03:50,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ca32b6d1/0ba37a4591e444f2840e1d8fc2f51b7c/FLAGc36772b3a [2019-09-10 11:03:50,983 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 11:03:50,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2019-09-10 11:03:51,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ca32b6d1/0ba37a4591e444f2840e1d8fc2f51b7c/FLAGc36772b3a [2019-09-10 11:03:51,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ca32b6d1/0ba37a4591e444f2840e1d8fc2f51b7c [2019-09-10 11:03:51,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 11:03:51,496 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 11:03:51,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 11:03:51,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 11:03:51,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 11:03:51,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:03:51" (1/1) ... [2019-09-10 11:03:51,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20438eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:51, skipping insertion in model container [2019-09-10 11:03:51,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:03:51" (1/1) ... [2019-09-10 11:03:51,513 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 11:03:51,656 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 11:03:53,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:03:53,602 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 11:03:54,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:03:54,298 INFO L192 MainTranslator]: Completed translation [2019-09-10 11:03:54,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:54 WrapperNode [2019-09-10 11:03:54,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 11:03:54,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 11:03:54,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 11:03:54,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 11:03:54,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:54" (1/1) ... [2019-09-10 11:03:54,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:54" (1/1) ... [2019-09-10 11:03:54,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:54" (1/1) ... [2019-09-10 11:03:54,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:54" (1/1) ... [2019-09-10 11:03:54,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:54" (1/1) ... [2019-09-10 11:03:54,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:54" (1/1) ... [2019-09-10 11:03:54,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:54" (1/1) ... [2019-09-10 11:03:54,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 11:03:54,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 11:03:54,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 11:03:54,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 11:03:54,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:03:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 11:03:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 11:03:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 11:03:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-09-10 11:03:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 11:03:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 11:03:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 11:03:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-10 11:03:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 11:03:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 11:03:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-10 11:03:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 11:03:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 11:03:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-10 11:03:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 11:03:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 11:03:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 11:03:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 11:03:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 11:03:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 11:03:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 11:03:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 11:03:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 11:03:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2019-09-10 11:03:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-09-10 11:03:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-09-10 11:03:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-09-10 11:03:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-09-10 11:03:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-09-10 11:03:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-10 11:03:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-10 11:03:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-10 11:03:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-10 11:03:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-10 11:03:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_write_bulk_callback [2019-09-10 11:03:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_free [2019-09-10 11:03:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_setup_firmware [2019-09-10 11:03:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_fw_timeo [2019-09-10 11:03:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_probe [2019-09-10 11:03:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_disconnect [2019-09-10 11:03:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_send_fw_pkt [2019-09-10 11:03:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_reset_device [2019-09-10 11:03:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_block [2019-09-10 11:03:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __if_usb_submit_rx_urb [2019-09-10 11:03:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_submit_rx_urb_fwload [2019-09-10 11:03:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_submit_rx_urb [2019-09-10 11:03:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_receive_fwload [2019-09-10 11:03:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cmdtypedata [2019-09-10 11:03:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cmdrequest [2019-09-10 11:03:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_receive [2019-09-10 11:03:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_host_to_card [2019-09-10 11:03:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_issue_boot_command [2019-09-10 11:03:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fwfile_format [2019-09-10 11:03:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_prog_firmware [2019-09-10 11:03:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_suspend [2019-09-10 11:03:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_resume [2019-09-10 11:03:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_driver_init [2019-09-10 11:03:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_driver_exit [2019-09-10 11:03:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-09-10 11:03:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-09-10 11:03:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-09-10 11:03:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-09-10 11:03:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-09-10 11:03:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-09-10 11:03:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-09-10 11:03:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-09-10 11:03:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 11:03:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-10 11:03:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-10 11:03:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-10 11:03:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-10 11:03:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-10 11:03:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2019-09-10 11:03:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-09-10 11:03:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2019-09-10 11:03:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_15 [2019-09-10 11:03:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-09-10 11:03:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2019-09-10 11:03:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2019-09-10 11:03:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2019-09-10 11:03:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_20 [2019-09-10 11:03:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_21 [2019-09-10 11:03:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_22 [2019-09-10 11:03:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_23 [2019-09-10 11:03:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_24 [2019-09-10 11:03:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_25 [2019-09-10 11:03:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_26 [2019-09-10 11:03:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_27 [2019-09-10 11:03:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_28 [2019-09-10 11:03:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_29 [2019-09-10 11:03:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_30 [2019-09-10 11:03:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-10 11:03:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-10 11:03:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-10 11:03:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-10 11:03:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-10 11:03:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 11:03:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 11:03:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 11:03:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 11:03:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-10 11:03:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 11:03:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-10 11:03:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-10 11:03:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-10 11:03:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-10 11:03:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-10 11:03:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 11:03:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-10 11:03:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2019-09-10 11:03:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-10 11:03:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 11:03:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 11:03:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-10 11:03:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-10 11:03:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2019-09-10 11:03:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_card [2019-09-10 11:03:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_get_firmware_async [2019-09-10 11:03:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2019-09-10 11:03:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_to_card_done [2019-09-10 11:03:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_notify_command_response [2019-09-10 11:03:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_rxed_packet [2019-09-10 11:03:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_queue_event [2019-09-10 11:03:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_card [2019-09-10 11:03:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2019-09-10 11:03:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_tx_feedback [2019-09-10 11:03:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_card [2019-09-10 11:03:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_card [2019-09-10 11:03:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2019-09-10 11:03:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-10 11:03:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-10 11:03:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-09-10 11:03:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-10 11:03:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-09-10 11:03:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 11:03:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-10 11:03:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-10 11:03:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-10 11:03:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-10 11:03:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 11:03:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-10 11:03:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-09-10 11:03:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-10 11:03:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-09-10 11:03:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 11:03:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-10 11:03:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-10 11:03:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 11:03:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 11:03:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 11:03:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 11:03:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 11:03:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 11:03:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 11:03:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 11:03:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 11:03:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 11:03:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-10 11:03:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 11:03:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 11:03:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2019-09-10 11:03:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-09-10 11:03:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 11:03:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 11:03:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 11:03:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 11:03:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-10 11:03:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-10 11:03:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-09-10 11:03:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-10 11:03:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-10 11:03:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_20 [2019-09-10 11:03:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-10 11:03:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_28 [2019-09-10 11:03:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 11:03:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 11:03:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 11:03:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-10 11:03:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 11:03:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 11:03:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 11:03:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-10 11:03:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 11:03:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 11:03:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-10 11:03:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-10 11:03:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-10 11:03:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-10 11:03:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-10 11:03:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-09-10 11:03:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2019-09-10 11:03:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_15 [2019-09-10 11:03:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-09-10 11:03:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2019-09-10 11:03:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2019-09-10 11:03:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2019-09-10 11:03:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_21 [2019-09-10 11:03:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_22 [2019-09-10 11:03:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_23 [2019-09-10 11:03:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_24 [2019-09-10 11:03:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_25 [2019-09-10 11:03:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_26 [2019-09-10 11:03:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_27 [2019-09-10 11:03:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-10 11:03:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-10 11:03:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-10 11:03:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-10 11:03:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 11:03:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 11:03:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2019-09-10 11:03:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-10 11:03:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-10 11:03:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 11:03:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 11:03:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 11:03:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 11:03:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 11:03:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 11:03:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 11:03:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 11:03:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 11:03:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 11:03:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 11:03:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 11:03:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 11:03:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 11:03:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 11:03:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-09-10 11:03:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-09-10 11:03:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-09-10 11:03:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-09-10 11:03:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-09-10 11:03:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-09-10 11:03:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-09-10 11:03:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-09-10 11:03:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-10 11:03:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-09-10 11:03:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-10 11:03:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2019-09-10 11:03:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-09-10 11:03:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-09-10 11:03:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-09-10 11:03:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-09-10 11:03:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-09-10 11:03:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-10 11:03:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-10 11:03:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-10 11:03:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-09-10 11:03:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-09-10 11:03:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-10 11:03:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 11:03:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_29 [2019-09-10 11:03:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 11:03:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_30 [2019-09-10 11:03:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-10 11:03:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-10 11:03:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-10 11:03:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-10 11:03:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-10 11:03:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-10 11:03:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_tx_feedback [2019-09-10 11:03:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_rxed_packet [2019-09-10 11:03:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_card [2019-09-10 11:03:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_card [2019-09-10 11:03:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_card [2019-09-10 11:03:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_card [2019-09-10 11:03:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_to_card_done [2019-09-10 11:03:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2019-09-10 11:03:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2019-09-10 11:03:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_queue_event [2019-09-10 11:03:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_notify_command_response [2019-09-10 11:03:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_get_firmware_async [2019-09-10 11:03:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2019-09-10 11:03:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_copyback [2019-09-10 11:03:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2019-09-10 11:03:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 11:03:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_receive [2019-09-10 11:03:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_receive_fwload [2019-09-10 11:03:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_prog_firmware [2019-09-10 11:03:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_host_to_card [2019-09-10 11:03:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_block [2019-09-10 11:03:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_free [2019-09-10 11:03:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_submit_rx_urb [2019-09-10 11:03:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_reset_device [2019-09-10 11:03:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_write_bulk_callback [2019-09-10 11:03:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_setup_firmware [2019-09-10 11:03:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 11:03:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_fw_timeo [2019-09-10 11:03:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_probe [2019-09-10 11:03:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_disconnect [2019-09-10 11:03:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_send_fw_pkt [2019-09-10 11:03:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 11:03:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure __if_usb_submit_rx_urb [2019-09-10 11:03:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_submit_rx_urb_fwload [2019-09-10 11:03:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure process_cmdtypedata [2019-09-10 11:03:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure process_cmdrequest [2019-09-10 11:03:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_issue_boot_command [2019-09-10 11:03:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 11:03:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure check_fwfile_format [2019-09-10 11:03:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_suspend [2019-09-10 11:03:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_resume [2019-09-10 11:03:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_driver_init [2019-09-10 11:03:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_driver_exit [2019-09-10 11:03:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 11:03:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 11:03:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 11:03:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-10 11:03:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-10 11:03:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-10 11:03:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-10 11:03:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-10 11:03:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 11:03:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 11:03:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 11:03:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 11:03:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-10 11:03:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-10 11:03:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-10 11:03:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-10 11:03:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 11:03:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-10 11:03:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 11:03:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 11:03:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 11:03:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 11:03:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 11:03:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 11:03:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 11:03:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 11:03:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 11:03:56,137 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 11:04:04,218 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 11:04:04,219 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 11:04:04,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:04:04 BoogieIcfgContainer [2019-09-10 11:04:04,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 11:04:04,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 11:04:04,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 11:04:04,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 11:04:04,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 11:03:51" (1/3) ... [2019-09-10 11:04:04,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43217bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:04:04, skipping insertion in model container [2019-09-10 11:04:04,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:54" (2/3) ... [2019-09-10 11:04:04,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43217bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:04:04, skipping insertion in model container [2019-09-10 11:04:04,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:04:04" (3/3) ... [2019-09-10 11:04:04,239 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2019-09-10 11:04:04,255 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 11:04:04,272 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 11:04:04,290 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 11:04:04,328 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 11:04:04,328 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 11:04:04,328 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 11:04:04,329 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 11:04:04,329 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 11:04:04,329 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 11:04:04,329 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 11:04:04,330 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 11:04:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states. [2019-09-10 11:04:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-10 11:04:04,437 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:04,439 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:04:04,442 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:04,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:04,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1772070594, now seen corresponding path program 1 times [2019-09-10 11:04:04,455 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:04,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:04,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:04,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:04,589 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:05,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 11:04:05,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:04:05,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:04:05,512 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:05,517 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:04:05,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:04:05,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:04:05,535 INFO L87 Difference]: Start difference. First operand 1224 states. Second operand 3 states. [2019-09-10 11:04:08,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:08,632 INFO L93 Difference]: Finished difference Result 1254 states and 1628 transitions. [2019-09-10 11:04:08,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:04:08,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2019-09-10 11:04:08,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:08,662 INFO L225 Difference]: With dead ends: 1254 [2019-09-10 11:04:08,663 INFO L226 Difference]: Without dead ends: 1237 [2019-09-10 11:04:08,665 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:04:08,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2019-09-10 11:04:08,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1237. [2019-09-10 11:04:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1237 states. [2019-09-10 11:04:08,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 1603 transitions. [2019-09-10 11:04:08,816 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 1603 transitions. Word has length 59 [2019-09-10 11:04:08,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:08,817 INFO L475 AbstractCegarLoop]: Abstraction has 1237 states and 1603 transitions. [2019-09-10 11:04:08,817 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:04:08,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1603 transitions. [2019-09-10 11:04:08,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-10 11:04:08,822 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:08,822 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:04:08,823 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:08,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:08,823 INFO L82 PathProgramCache]: Analyzing trace with hash 693871160, now seen corresponding path program 1 times [2019-09-10 11:04:08,823 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:08,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:08,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:08,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:08,829 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-10 11:04:09,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:04:09,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:04:09,156 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:09,160 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:04:09,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:04:09,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:04:09,162 INFO L87 Difference]: Start difference. First operand 1237 states and 1603 transitions. Second operand 3 states. [2019-09-10 11:04:09,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:09,680 INFO L93 Difference]: Finished difference Result 1248 states and 1612 transitions. [2019-09-10 11:04:09,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:04:09,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-09-10 11:04:09,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:09,697 INFO L225 Difference]: With dead ends: 1248 [2019-09-10 11:04:09,697 INFO L226 Difference]: Without dead ends: 1248 [2019-09-10 11:04:09,700 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:04:09,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2019-09-10 11:04:09,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1237. [2019-09-10 11:04:09,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1237 states. [2019-09-10 11:04:09,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 1602 transitions. [2019-09-10 11:04:09,779 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 1602 transitions. Word has length 75 [2019-09-10 11:04:09,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:09,780 INFO L475 AbstractCegarLoop]: Abstraction has 1237 states and 1602 transitions. [2019-09-10 11:04:09,780 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:04:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1602 transitions. [2019-09-10 11:04:09,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-10 11:04:09,787 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:09,788 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:04:09,788 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:09,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:09,789 INFO L82 PathProgramCache]: Analyzing trace with hash 952036598, now seen corresponding path program 1 times [2019-09-10 11:04:09,789 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:09,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:09,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:09,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:09,798 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:10,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-10 11:04:10,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:04:10,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 11:04:10,327 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:10,327 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 11:04:10,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 11:04:10,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 11:04:10,328 INFO L87 Difference]: Start difference. First operand 1237 states and 1602 transitions. Second operand 6 states. [2019-09-10 11:04:13,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:13,880 INFO L93 Difference]: Finished difference Result 2453 states and 3197 transitions. [2019-09-10 11:04:13,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 11:04:13,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2019-09-10 11:04:13,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:13,897 INFO L225 Difference]: With dead ends: 2453 [2019-09-10 11:04:13,897 INFO L226 Difference]: Without dead ends: 2432 [2019-09-10 11:04:13,898 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 11:04:13,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2432 states. [2019-09-10 11:04:13,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2432 to 2432. [2019-09-10 11:04:13,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2432 states. [2019-09-10 11:04:13,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2432 states and 3175 transitions. [2019-09-10 11:04:13,990 INFO L78 Accepts]: Start accepts. Automaton has 2432 states and 3175 transitions. Word has length 75 [2019-09-10 11:04:13,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:13,991 INFO L475 AbstractCegarLoop]: Abstraction has 2432 states and 3175 transitions. [2019-09-10 11:04:13,991 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 11:04:13,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 3175 transitions. [2019-09-10 11:04:13,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-09-10 11:04:13,999 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:13,999 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 11:04:13,999 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:14,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:14,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1524103211, now seen corresponding path program 1 times [2019-09-10 11:04:14,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:14,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:14,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:14,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:14,005 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 11:04:14,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:04:14,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:04:14,327 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:14,328 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:04:14,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:04:14,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:04:14,329 INFO L87 Difference]: Start difference. First operand 2432 states and 3175 transitions. Second operand 3 states. [2019-09-10 11:04:15,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:15,363 INFO L93 Difference]: Finished difference Result 2723 states and 3577 transitions. [2019-09-10 11:04:15,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:04:15,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-09-10 11:04:15,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:15,382 INFO L225 Difference]: With dead ends: 2723 [2019-09-10 11:04:15,382 INFO L226 Difference]: Without dead ends: 2723 [2019-09-10 11:04:15,382 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:04:15,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2019-09-10 11:04:15,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 2684. [2019-09-10 11:04:15,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2684 states. [2019-09-10 11:04:15,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 3533 transitions. [2019-09-10 11:04:15,480 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 3533 transitions. Word has length 147 [2019-09-10 11:04:15,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:15,481 INFO L475 AbstractCegarLoop]: Abstraction has 2684 states and 3533 transitions. [2019-09-10 11:04:15,481 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:04:15,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 3533 transitions. [2019-09-10 11:04:15,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-09-10 11:04:15,489 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:15,490 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:04:15,490 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:15,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:15,491 INFO L82 PathProgramCache]: Analyzing trace with hash -761747166, now seen corresponding path program 1 times [2019-09-10 11:04:15,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:15,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:15,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:15,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:15,495 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:15,807 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 11:04:15,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:04:15,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:04:15,808 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:15,808 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:04:15,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:04:15,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:04:15,809 INFO L87 Difference]: Start difference. First operand 2684 states and 3533 transitions. Second operand 3 states. [2019-09-10 11:04:18,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:18,819 INFO L93 Difference]: Finished difference Result 3293 states and 4278 transitions. [2019-09-10 11:04:18,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:04:18,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-09-10 11:04:18,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:18,839 INFO L225 Difference]: With dead ends: 3293 [2019-09-10 11:04:18,839 INFO L226 Difference]: Without dead ends: 3293 [2019-09-10 11:04:18,840 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:04:18,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3293 states. [2019-09-10 11:04:18,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3293 to 3254. [2019-09-10 11:04:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3254 states. [2019-09-10 11:04:18,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 3254 states and 4234 transitions. [2019-09-10 11:04:18,946 INFO L78 Accepts]: Start accepts. Automaton has 3254 states and 4234 transitions. Word has length 163 [2019-09-10 11:04:18,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:18,947 INFO L475 AbstractCegarLoop]: Abstraction has 3254 states and 4234 transitions. [2019-09-10 11:04:18,947 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:04:18,947 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 4234 transitions. [2019-09-10 11:04:18,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-09-10 11:04:18,962 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:18,963 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:04:18,964 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:18,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:18,964 INFO L82 PathProgramCache]: Analyzing trace with hash 2110895504, now seen corresponding path program 1 times [2019-09-10 11:04:18,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:18,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:18,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:18,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:18,970 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-10 11:04:19,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:04:19,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:04:19,313 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:19,313 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:04:19,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:04:19,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:04:19,314 INFO L87 Difference]: Start difference. First operand 3254 states and 4234 transitions. Second operand 3 states. [2019-09-10 11:04:19,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:19,913 INFO L93 Difference]: Finished difference Result 3912 states and 5095 transitions. [2019-09-10 11:04:19,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:04:19,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2019-09-10 11:04:19,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:19,938 INFO L225 Difference]: With dead ends: 3912 [2019-09-10 11:04:19,939 INFO L226 Difference]: Without dead ends: 3912 [2019-09-10 11:04:19,939 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 11:04:19,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3912 states. [2019-09-10 11:04:20,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3912 to 3884. [2019-09-10 11:04:20,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3884 states. [2019-09-10 11:04:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 3884 states and 5061 transitions. [2019-09-10 11:04:20,104 INFO L78 Accepts]: Start accepts. Automaton has 3884 states and 5061 transitions. Word has length 207 [2019-09-10 11:04:20,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:20,106 INFO L475 AbstractCegarLoop]: Abstraction has 3884 states and 5061 transitions. [2019-09-10 11:04:20,106 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:04:20,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3884 states and 5061 transitions. [2019-09-10 11:04:20,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-09-10 11:04:20,130 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:20,131 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:04:20,132 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:20,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:20,132 INFO L82 PathProgramCache]: Analyzing trace with hash -415354913, now seen corresponding path program 1 times [2019-09-10 11:04:20,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:20,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:20,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:20,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:20,139 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:20,598 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-09-10 11:04:20,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:04:20,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 11:04:20,598 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:20,599 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 11:04:20,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 11:04:20,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:04:20,600 INFO L87 Difference]: Start difference. First operand 3884 states and 5061 transitions. Second operand 5 states. [2019-09-10 11:04:20,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:20,652 INFO L93 Difference]: Finished difference Result 3914 states and 5091 transitions. [2019-09-10 11:04:20,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 11:04:20,653 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 238 [2019-09-10 11:04:20,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:20,675 INFO L225 Difference]: With dead ends: 3914 [2019-09-10 11:04:20,675 INFO L226 Difference]: Without dead ends: 3914 [2019-09-10 11:04:20,676 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:04:20,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2019-09-10 11:04:20,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 3904. [2019-09-10 11:04:20,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3904 states. [2019-09-10 11:04:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3904 states to 3904 states and 5081 transitions. [2019-09-10 11:04:20,804 INFO L78 Accepts]: Start accepts. Automaton has 3904 states and 5081 transitions. Word has length 238 [2019-09-10 11:04:20,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:20,805 INFO L475 AbstractCegarLoop]: Abstraction has 3904 states and 5081 transitions. [2019-09-10 11:04:20,805 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 11:04:20,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3904 states and 5081 transitions. [2019-09-10 11:04:20,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-09-10 11:04:20,820 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:20,822 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:04:20,822 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:20,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:20,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1334778681, now seen corresponding path program 1 times [2019-09-10 11:04:20,823 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:20,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:20,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:20,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:20,828 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:21,654 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-09-10 11:04:21,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:04:21,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 11:04:21,655 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:21,657 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 11:04:21,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 11:04:21,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 11:04:21,657 INFO L87 Difference]: Start difference. First operand 3904 states and 5081 transitions. Second operand 6 states. [2019-09-10 11:04:24,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:24,663 INFO L93 Difference]: Finished difference Result 5654 states and 7330 transitions. [2019-09-10 11:04:24,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 11:04:24,664 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 244 [2019-09-10 11:04:24,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:24,698 INFO L225 Difference]: With dead ends: 5654 [2019-09-10 11:04:24,698 INFO L226 Difference]: Without dead ends: 5654 [2019-09-10 11:04:24,700 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-09-10 11:04:24,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5654 states. [2019-09-10 11:04:24,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5654 to 3936. [2019-09-10 11:04:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3936 states. [2019-09-10 11:04:24,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3936 states to 3936 states and 5121 transitions. [2019-09-10 11:04:24,848 INFO L78 Accepts]: Start accepts. Automaton has 3936 states and 5121 transitions. Word has length 244 [2019-09-10 11:04:24,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:24,849 INFO L475 AbstractCegarLoop]: Abstraction has 3936 states and 5121 transitions. [2019-09-10 11:04:24,849 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 11:04:24,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3936 states and 5121 transitions. [2019-09-10 11:04:24,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-09-10 11:04:24,863 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:24,863 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:04:24,864 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:24,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:24,864 INFO L82 PathProgramCache]: Analyzing trace with hash -6412283, now seen corresponding path program 1 times [2019-09-10 11:04:24,864 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:24,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:24,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:24,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:24,871 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-09-10 11:04:25,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:04:25,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:04:25,226 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:25,227 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:04:25,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:04:25,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:04:25,227 INFO L87 Difference]: Start difference. First operand 3936 states and 5121 transitions. Second operand 3 states. [2019-09-10 11:04:25,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:25,259 INFO L93 Difference]: Finished difference Result 3940 states and 5125 transitions. [2019-09-10 11:04:25,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:04:25,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 333 [2019-09-10 11:04:25,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:25,291 INFO L225 Difference]: With dead ends: 3940 [2019-09-10 11:04:25,291 INFO L226 Difference]: Without dead ends: 3940 [2019-09-10 11:04:25,292 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:04:25,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2019-09-10 11:04:25,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3940. [2019-09-10 11:04:25,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3940 states. [2019-09-10 11:04:25,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 3940 states and 5125 transitions. [2019-09-10 11:04:25,397 INFO L78 Accepts]: Start accepts. Automaton has 3940 states and 5125 transitions. Word has length 333 [2019-09-10 11:04:25,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:25,397 INFO L475 AbstractCegarLoop]: Abstraction has 3940 states and 5125 transitions. [2019-09-10 11:04:25,397 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:04:25,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3940 states and 5125 transitions. [2019-09-10 11:04:25,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-09-10 11:04:25,416 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:25,416 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:04:25,417 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:25,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:25,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1588123799, now seen corresponding path program 1 times [2019-09-10 11:04:25,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:25,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:25,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:25,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:25,424 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:26,202 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-09-10 11:04:26,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 11:04:26,202 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 11:04:26,204 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 337 with the following transitions: [2019-09-10 11:04:26,207 INFO L207 CegarAbsIntRunner]: [0], [2], [3], [4], [5], [6], [8], [9], [36], [38], [40], [41], [83], [85], [99], [102], [104], [118], [120], [121], [124], [126], [127], [134], [135], [190], [191], [197], [198], [199], [200], [205], [206], [211], [213], [214], [217], [219], [220], [236], [242], [245], [247], [250], [252], [253], [256], [258], [259], [526], [528], [529], [534], [536], [540], [542], [543], [622], [623], [624], [626], [629], [663], [664], [665], [666], [669], [752], [758], [759], [762], [763], [996], [998], [999], [1002], [1004], [1007], [1009], [1011], [1023], [1026], [1029], [1032], [1035], [1037], [1041], [1044], [1047], [1049], [1052], [1060], [1079], [1082], [1085], [1088], [1091], [1093], [1096], [1104], [1123], [1144], [1147], [1150], [1152], [1155], [1163], [1166], [1169], [1171], [1174], [1214], [1220], [1222], [1223], [1278], [1287], [1292], [1304], [1308], [1311], [1312], [1369], [1371], [1385], [1387], [1390], [1418], [1420], [1421], [1422], [1423], [1682], [1683], [1812], [1814], [1815], [1816], [1818], [1819], [1825], [1827], [1829], [1834], [1836], [1838], [1854], [1856], [1948], [1953], [1958], [1981], [1983], [2005], [2007], [2029], [2031], [2053], [2055], [2060], [2062], [2064], [2066], [2071], [2080], [2171], [2172], [2173], [2175], [2345], [2346], [2347], [2349], [2350], [2351], [2353], [2358], [2362], [2365], [2366], [2368], [2369], [2406], [2407], [2441], [2442], [2443], [2444], [2445], [2446], [2447], [2448], [2461], [2462], [2465], [2466], [2467], [2468], [2471], [2472], [2477], [2478], [2481], [2482], [2483], [2484], [2485], [2486], [2489], [2490], [2491], [2492], [2553], [2554], [2555], [2556], [2557], [2558], [2573], [2574], [2683], [2684], [2685], [2686], [2687], [2688], [2689], [2690], [2691], [2692], [2695], [2696], [2697], [2698], [2701], [2702], [2709], [2710], [2711], [2712], [2717], [2723], [2724], [2841], [2842], [2843], [2844], [2847], [2848], [2849], [2850], [2851], [2852], [2853], [2854], [2887], [2888], [2893], [2894], [2899], [2900], [2905], [2906], [2907], [2908], [2909], [2910], [2911], [2912], [2945], [2946], [2989], [2990], [2991], [2992], [2993], [2995], [2996], [2997], [2998], [2999] [2019-09-10 11:04:26,281 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 11:04:26,281 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 11:04:26,631 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 11:04:26,633 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 432 root evaluator evaluations with a maximum evaluation depth of 0. Performed 432 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 834 variables. [2019-09-10 11:04:26,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:26,638 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 11:04:26,815 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 11:04:26,815 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 11:04:26,823 INFO L420 sIntCurrentIteration]: We unified 335 AI predicates to 335 [2019-09-10 11:04:26,823 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 11:04:26,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 11:04:26,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 11 [2019-09-10 11:04:26,824 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:26,825 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 11:04:26,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 11:04:26,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:04:26,826 INFO L87 Difference]: Start difference. First operand 3940 states and 5125 transitions. Second operand 2 states. [2019-09-10 11:04:26,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:26,827 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 11:04:26,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 11:04:26,827 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 336 [2019-09-10 11:04:26,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:26,828 INFO L225 Difference]: With dead ends: 2 [2019-09-10 11:04:26,828 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 11:04:26,829 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:04:26,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 11:04:26,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 11:04:26,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 11:04:26,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 11:04:26,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 336 [2019-09-10 11:04:26,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:26,830 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 11:04:26,830 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 11:04:26,831 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 11:04:26,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 11:04:26,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 11:04:26 BoogieIcfgContainer [2019-09-10 11:04:26,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 11:04:26,841 INFO L168 Benchmark]: Toolchain (without parser) took 35343.20 ms. Allocated memory was 135.3 MB in the beginning and 766.5 MB in the end (delta: 631.2 MB). Free memory was 80.9 MB in the beginning and 373.1 MB in the end (delta: -292.3 MB). Peak memory consumption was 339.0 MB. Max. memory is 7.1 GB. [2019-09-10 11:04:26,842 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 135.3 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-10 11:04:26,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2802.37 ms. Allocated memory was 135.3 MB in the beginning and 266.9 MB in the end (delta: 131.6 MB). Free memory was 80.7 MB in the beginning and 170.0 MB in the end (delta: -89.4 MB). Peak memory consumption was 122.1 MB. Max. memory is 7.1 GB. [2019-09-10 11:04:26,844 INFO L168 Benchmark]: Boogie Preprocessor took 309.73 ms. Allocated memory is still 266.9 MB. Free memory was 170.0 MB in the beginning and 145.6 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-09-10 11:04:26,845 INFO L168 Benchmark]: RCFGBuilder took 9611.70 ms. Allocated memory was 266.9 MB in the beginning and 585.6 MB in the end (delta: 318.8 MB). Free memory was 145.6 MB in the beginning and 331.5 MB in the end (delta: -185.9 MB). Peak memory consumption was 342.9 MB. Max. memory is 7.1 GB. [2019-09-10 11:04:26,846 INFO L168 Benchmark]: TraceAbstraction took 22611.18 ms. Allocated memory was 585.6 MB in the beginning and 766.5 MB in the end (delta: 180.9 MB). Free memory was 331.5 MB in the beginning and 373.1 MB in the end (delta: -41.6 MB). Peak memory consumption was 139.3 MB. Max. memory is 7.1 GB. [2019-09-10 11:04:26,850 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 135.3 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2802.37 ms. Allocated memory was 135.3 MB in the beginning and 266.9 MB in the end (delta: 131.6 MB). Free memory was 80.7 MB in the beginning and 170.0 MB in the end (delta: -89.4 MB). Peak memory consumption was 122.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 309.73 ms. Allocated memory is still 266.9 MB. Free memory was 170.0 MB in the beginning and 145.6 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9611.70 ms. Allocated memory was 266.9 MB in the beginning and 585.6 MB in the end (delta: 318.8 MB). Free memory was 145.6 MB in the beginning and 331.5 MB in the end (delta: -185.9 MB). Peak memory consumption was 342.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22611.18 ms. Allocated memory was 585.6 MB in the beginning and 766.5 MB in the end (delta: 180.9 MB). Free memory was 331.5 MB in the beginning and 373.1 MB in the end (delta: -41.6 MB). Peak memory consumption was 139.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6371]: 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 152 procedures, 1324 locations, 1 error locations. SAFE Result, 22.5s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 15.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8594 SDtfs, 4497 SDslu, 13989 SDs, 0 SdLazy, 566 SolverSat, 110 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 355 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3940occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.017910447761194 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 1845 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1877 NumberOfCodeBlocks, 1877 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1867 ConstructedInterpolants, 0 QuantifiedInterpolants, 503187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 401/409 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...