java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 10:51:31,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:51:31,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:51:31,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:51:31,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:51:31,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:51:31,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:51:31,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:51:31,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:51:31,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:51:31,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:51:31,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:51:31,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:51:31,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:51:31,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:51:31,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:51:31,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:51:31,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:51:31,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:51:31,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:51:31,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:51:31,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:51:31,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:51:31,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:51:31,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:51:31,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:51:31,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:51:31,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:51:31,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:51:31,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:51:31,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:51:31,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:51:31,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:51:31,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:51:31,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:51:31,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:51:31,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:51:31,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:51:31,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:51:31,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:51:31,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:51:31,874 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 10:51:31,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:51:31,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:51:31,895 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:51:31,895 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:51:31,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:51:31,896 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:51:31,896 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:51:31,897 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:51:31,897 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:51:31,897 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:51:31,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:51:31,900 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:51:31,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:51:31,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:51:31,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:51:31,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:51:31,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:51:31,901 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:51:31,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:51:31,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:51:31,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:51:31,901 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:51:31,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:51:31,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:51:31,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:51:31,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:51:31,904 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:51:31,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:51:31,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:51:31,904 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:51:31,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:51:31,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:51:31,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:51:31,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:51:31,971 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:51:31,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i [2019-09-10 10:51:32,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c10b6910b/2794d84b258f498ab82f1e7f138b0239/FLAG37ae8b144 [2019-09-10 10:51:32,891 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:51:32,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i [2019-09-10 10:51:32,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c10b6910b/2794d84b258f498ab82f1e7f138b0239/FLAG37ae8b144 [2019-09-10 10:51:33,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c10b6910b/2794d84b258f498ab82f1e7f138b0239 [2019-09-10 10:51:33,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:51:33,391 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:51:33,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:51:33,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:51:33,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:51:33,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:51:33" (1/1) ... [2019-09-10 10:51:33,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479fd1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:33, skipping insertion in model container [2019-09-10 10:51:33,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:51:33" (1/1) ... [2019-09-10 10:51:33,410 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:51:33,549 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:51:35,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:51:35,244 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:51:35,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:51:35,862 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:51:35,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:35 WrapperNode [2019-09-10 10:51:35,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:51:35,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:51:35,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:51:35,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:51:35,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:35" (1/1) ... [2019-09-10 10:51:35,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:35" (1/1) ... [2019-09-10 10:51:35,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:35" (1/1) ... [2019-09-10 10:51:35,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:35" (1/1) ... [2019-09-10 10:51:36,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:35" (1/1) ... [2019-09-10 10:51:36,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:35" (1/1) ... [2019-09-10 10:51:36,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:35" (1/1) ... [2019-09-10 10:51:36,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:51:36,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:51:36,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:51:36,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:51:36,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:51:36,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:51:36,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:51:36,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 10:51:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-09-10 10:51:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-10 10:51:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-09-10 10:51:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-09-10 10:51:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-09-10 10:51:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-10 10:51:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-10 10:51:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-10 10:51:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-10 10:51:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-10 10:51:36,192 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-10 10:51:36,192 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-10 10:51:36,192 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-09-10 10:51:36,192 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 10:51:36,192 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 10:51:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-09-10 10:51:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-10 10:51:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 10:51:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 10:51:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 10:51:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 10:51:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 10:51:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 10:51:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 10:51:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 10:51:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:51:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 10:51:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:51:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:51:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-10 10:51:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-10 10:51:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-10 10:51:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-10 10:51:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-10 10:51:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-10 10:51:36,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-10 10:51:36,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-10 10:51:36,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2019-09-10 10:51:36,197 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2019-09-10 10:51:36,197 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_send_cmd_msg [2019-09-10 10:51:36,197 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_wait_cmd_msg [2019-09-10 10:51:36,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_send_cmd [2019-09-10 10:51:36,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_cmd_open [2019-09-10 10:51:36,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_cmd_close [2019-09-10 10:51:36,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_cmd_version [2019-09-10 10:51:36,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_set_mode [2019-09-10 10:51:36,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_rx_err_msg [2019-09-10 10:51:36,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_rx_can_msg [2019-09-10 10:51:36,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_read_bulk_callback [2019-09-10 10:51:36,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_write_bulk_callback [2019-09-10 10:51:36,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_start_xmit [2019-09-10 10:51:36,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_get_berr_counter [2019-09-10 10:51:36,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_start [2019-09-10 10:51:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_open [2019-09-10 10:51:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2019-09-10 10:51:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_close [2019-09-10 10:51:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_probe [2019-09-10 10:51:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_disconnect [2019-09-10 10:51:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_driver_init [2019-09-10 10:51:36,201 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_driver_exit [2019-09-10 10:51:36,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-09-10 10:51:36,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-09-10 10:51:36,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:51:36,201 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-10 10:51:36,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2019-09-10 10:51:36,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2019-09-10 10:51:36,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2019-09-10 10:51:36,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2019-09-10 10:51:36,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2019-09-10 10:51:36,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_8 [2019-09-10 10:51:36,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2019-09-10 10:51:36,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_10 [2019-09-10 10:51:36,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2019-09-10 10:51:36,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_13 [2019-09-10 10:51:36,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_14 [2019-09-10 10:51:36,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_15 [2019-09-10 10:51:36,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_16 [2019-09-10 10:51:36,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_18 [2019-09-10 10:51:36,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_19 [2019-09-10 10:51:36,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-10 10:51:36,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-09-10 10:51:36,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-09-10 10:51:36,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-09-10 10:51:36,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-09-10 10:51:36,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-09-10 10:51:36,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-09-10 10:51:36,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-09-10 10:51:36,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-09-10 10:51:36,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-09-10 10:51:36,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-09-10 10:51:36,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-09-10 10:51:36,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-09-10 10:51:36,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-09-10 10:51:36,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-09-10 10:51:36,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-09-10 10:51:36,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:51:36,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-10 10:51:36,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-10 10:51:36,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-10 10:51:36,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 10:51:36,207 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-10 10:51:36,208 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2019-09-10 10:51:36,208 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2019-09-10 10:51:36,208 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2019-09-10 10:51:36,208 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2019-09-10 10:51:36,208 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2019-09-10 10:51:36,208 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2019-09-10 10:51:36,208 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2019-09-10 10:51:36,209 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2019-09-10 10:51:36,209 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2019-09-10 10:51:36,209 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-09-10 10:51:36,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 10:51:36,209 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2019-09-10 10:51:36,209 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2019-09-10 10:51:36,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-09-10 10:51:36,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:51:36,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-09-10 10:51:36,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-09-10 10:51:36,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-10 10:51:36,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 10:51:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-09-10 10:51:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-10 10:51:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-09-10 10:51:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-09-10 10:51:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-09-10 10:51:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-09-10 10:51:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2019-09-10 10:51:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 10:51:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2019-09-10 10:51:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-10 10:51:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-10 10:51:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-09-10 10:51:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-09-10 10:51:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 10:51:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-10 10:51:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-09-10 10:51:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 10:51:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2019-09-10 10:51:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-09-10 10:51:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 10:51:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:51:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:51:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 10:51:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 10:51:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 10:51:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:51:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:51:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 10:51:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 10:51:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-09-10 10:51:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-09-10 10:51:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-10 10:51:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-09-10 10:51:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-09-10 10:51:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:51:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-09-10 10:51:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-10 10:51:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-10 10:51:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-10 10:51:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-10 10:51:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 10:51:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 10:51:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-10 10:51:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-10 10:51:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:51:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-10 10:51:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-09-10 10:51:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 10:51:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:51:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 10:51:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 10:51:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-10 10:51:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-10 10:51:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-10 10:51:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 10:51:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 10:51:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-10 10:51:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_16 [2019-09-10 10:51:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_15 [2019-09-10 10:51:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-10 10:51:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 10:51:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_18 [2019-09-10 10:51:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 10:51:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_19 [2019-09-10 10:51:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-09-10 10:51:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:51:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:51:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2019-09-10 10:51:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2019-09-10 10:51:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2019-09-10 10:51:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2019-09-10 10:51:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_8 [2019-09-10 10:51:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_10 [2019-09-10 10:51:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_13 [2019-09-10 10:51:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_14 [2019-09-10 10:51:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2019-09-10 10:51:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2019-09-10 10:51:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2019-09-10 10:51:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-09-10 10:51:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-09-10 10:51:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-09-10 10:51:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-10 10:51:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-10 10:51:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-09-10 10:51:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2019-09-10 10:51:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-10 10:51:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-09-10 10:51:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-09-10 10:51:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-09-10 10:51:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-09-10 10:51:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-09-10 10:51:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-09-10 10:51:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-09-10 10:51:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:51:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 10:51:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 10:51:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 10:51:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 10:51:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 10:51:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 10:51:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:51:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 10:51:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:51:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 10:51:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 10:51:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 10:51:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 10:51:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 10:51:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 10:51:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 10:51:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:51:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 10:51:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:51:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-09-10 10:51:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-09-10 10:51:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-09-10 10:51:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-09-10 10:51:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-10 10:51:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:51:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-10 10:51:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-09-10 10:51:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-10 10:51:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-10 10:51:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-10 10:51:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-10 10:51:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-10 10:51:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-10 10:51:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-10 10:51:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-09-10 10:51:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2019-09-10 10:51:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-09-10 10:51:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-10 10:51:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-09-10 10:51:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-09-10 10:51:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-10 10:51:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2019-09-10 10:51:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2019-09-10 10:51:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2019-09-10 10:51:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2019-09-10 10:51:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2019-09-10 10:51:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2019-09-10 10:51:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2019-09-10 10:51:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2019-09-10 10:51:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2019-09-10 10:51:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2019-09-10 10:51:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2019-09-10 10:51:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2019-09-10 10:51:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2019-09-10 10:51:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2019-09-10 10:51:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_send_cmd_msg [2019-09-10 10:51:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_wait_cmd_msg [2019-09-10 10:51:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_send_cmd [2019-09-10 10:51:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 10:51:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_cmd_open [2019-09-10 10:51:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 10:51:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_cmd_close [2019-09-10 10:51:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_cmd_version [2019-09-10 10:51:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_set_mode [2019-09-10 10:51:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_rx_err_msg [2019-09-10 10:51:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_rx_can_msg [2019-09-10 10:51:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_read_bulk_callback [2019-09-10 10:51:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_write_bulk_callback [2019-09-10 10:51:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_start_xmit [2019-09-10 10:51:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_get_berr_counter [2019-09-10 10:51:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_start [2019-09-10 10:51:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_open [2019-09-10 10:51:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2019-09-10 10:51:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_close [2019-09-10 10:51:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_probe [2019-09-10 10:51:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_disconnect [2019-09-10 10:51:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_driver_init [2019-09-10 10:51:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_driver_exit [2019-09-10 10:51:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-09-10 10:51:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-09-10 10:51:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:51:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:51:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:51:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-10 10:51:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-09-10 10:51:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-09-10 10:51:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 10:51:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-09-10 10:51:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-09-10 10:51:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-09-10 10:51:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-09-10 10:51:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-09-10 10:51:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-09-10 10:51:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:51:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-10 10:51:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:51:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:51:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:51:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:51:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:51:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 10:51:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 10:51:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 10:51:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 10:51:38,086 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 10:51:40,147 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-10 10:51:40,927 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:51:40,928 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 10:51:40,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:51:40 BoogieIcfgContainer [2019-09-10 10:51:40,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:51:40,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:51:40,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:51:40,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:51:40,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:51:33" (1/3) ... [2019-09-10 10:51:40,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e8bf9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:51:40, skipping insertion in model container [2019-09-10 10:51:40,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:35" (2/3) ... [2019-09-10 10:51:40,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e8bf9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:51:40, skipping insertion in model container [2019-09-10 10:51:40,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:51:40" (3/3) ... [2019-09-10 10:51:40,940 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i [2019-09-10 10:51:40,953 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:51:40,966 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:51:40,986 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:51:41,024 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:51:41,025 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:51:41,025 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:51:41,025 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:51:41,025 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:51:41,025 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:51:41,026 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:51:41,026 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:51:41,075 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states. [2019-09-10 10:51:41,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-09-10 10:51:41,095 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:41,096 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] [2019-09-10 10:51:41,100 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:41,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:41,106 INFO L82 PathProgramCache]: Analyzing trace with hash -93464998, now seen corresponding path program 1 times [2019-09-10 10:51:41,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:41,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:41,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:41,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:41,224 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:41,756 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 10:51:41,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:41,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:41,759 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:41,766 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:41,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:41,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:41,785 INFO L87 Difference]: Start difference. First operand 995 states. Second operand 3 states. [2019-09-10 10:51:42,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:42,135 INFO L93 Difference]: Finished difference Result 1830 states and 2281 transitions. [2019-09-10 10:51:42,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:42,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-09-10 10:51:42,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:42,185 INFO L225 Difference]: With dead ends: 1830 [2019-09-10 10:51:42,186 INFO L226 Difference]: Without dead ends: 1805 [2019-09-10 10:51:42,191 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:42,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2019-09-10 10:51:42,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1805. [2019-09-10 10:51:42,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1805 states. [2019-09-10 10:51:42,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2242 transitions. [2019-09-10 10:51:42,531 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2242 transitions. Word has length 45 [2019-09-10 10:51:42,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:42,532 INFO L475 AbstractCegarLoop]: Abstraction has 1805 states and 2242 transitions. [2019-09-10 10:51:42,532 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:42,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2242 transitions. [2019-09-10 10:51:42,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-10 10:51:42,544 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:42,544 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:51:42,545 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:42,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:42,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1354462779, now seen corresponding path program 1 times [2019-09-10 10:51:42,546 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:42,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:42,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:42,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:42,556 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:42,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 10:51:42,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:42,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:42,744 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:42,747 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:42,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:42,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:42,748 INFO L87 Difference]: Start difference. First operand 1805 states and 2242 transitions. Second operand 3 states. [2019-09-10 10:51:42,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:42,890 INFO L93 Difference]: Finished difference Result 3595 states and 4504 transitions. [2019-09-10 10:51:42,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:42,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-09-10 10:51:42,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:42,915 INFO L225 Difference]: With dead ends: 3595 [2019-09-10 10:51:42,915 INFO L226 Difference]: Without dead ends: 3595 [2019-09-10 10:51:42,916 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:42,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3595 states. [2019-09-10 10:51:43,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3595 to 3585. [2019-09-10 10:51:43,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3585 states. [2019-09-10 10:51:43,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3585 states to 3585 states and 4492 transitions. [2019-09-10 10:51:43,065 INFO L78 Accepts]: Start accepts. Automaton has 3585 states and 4492 transitions. Word has length 61 [2019-09-10 10:51:43,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:43,066 INFO L475 AbstractCegarLoop]: Abstraction has 3585 states and 4492 transitions. [2019-09-10 10:51:43,066 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:43,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3585 states and 4492 transitions. [2019-09-10 10:51:43,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-09-10 10:51:43,071 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:43,071 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:51:43,071 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:43,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:43,072 INFO L82 PathProgramCache]: Analyzing trace with hash -961904568, now seen corresponding path program 1 times [2019-09-10 10:51:43,073 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:43,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:43,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:43,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:43,080 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:43,345 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 10:51:43,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:43,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:43,347 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:43,348 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:43,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:43,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:43,349 INFO L87 Difference]: Start difference. First operand 3585 states and 4492 transitions. Second operand 3 states. [2019-09-10 10:51:43,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:43,394 INFO L93 Difference]: Finished difference Result 3584 states and 4490 transitions. [2019-09-10 10:51:43,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:43,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2019-09-10 10:51:43,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:43,424 INFO L225 Difference]: With dead ends: 3584 [2019-09-10 10:51:43,425 INFO L226 Difference]: Without dead ends: 3584 [2019-09-10 10:51:43,425 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:43,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3584 states. [2019-09-10 10:51:43,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3584 to 3584. [2019-09-10 10:51:43,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3584 states. [2019-09-10 10:51:43,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3584 states and 4490 transitions. [2019-09-10 10:51:43,557 INFO L78 Accepts]: Start accepts. Automaton has 3584 states and 4490 transitions. Word has length 62 [2019-09-10 10:51:43,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:43,562 INFO L475 AbstractCegarLoop]: Abstraction has 3584 states and 4490 transitions. [2019-09-10 10:51:43,563 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3584 states and 4490 transitions. [2019-09-10 10:51:43,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-10 10:51:43,566 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:43,567 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:51:43,567 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:43,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:43,568 INFO L82 PathProgramCache]: Analyzing trace with hash 245156574, now seen corresponding path program 1 times [2019-09-10 10:51:43,568 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:43,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:43,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:43,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:43,573 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:43,851 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 10:51:43,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:43,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:43,852 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:43,853 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:43,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:43,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:43,853 INFO L87 Difference]: Start difference. First operand 3584 states and 4490 transitions. Second operand 3 states. [2019-09-10 10:51:43,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:43,905 INFO L93 Difference]: Finished difference Result 3583 states and 4488 transitions. [2019-09-10 10:51:43,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:43,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2019-09-10 10:51:43,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:43,932 INFO L225 Difference]: With dead ends: 3583 [2019-09-10 10:51:43,932 INFO L226 Difference]: Without dead ends: 3583 [2019-09-10 10:51:43,933 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:43,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3583 states. [2019-09-10 10:51:44,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3583 to 3583. [2019-09-10 10:51:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3583 states. [2019-09-10 10:51:44,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3583 states and 4488 transitions. [2019-09-10 10:51:44,156 INFO L78 Accepts]: Start accepts. Automaton has 3583 states and 4488 transitions. Word has length 63 [2019-09-10 10:51:44,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:44,157 INFO L475 AbstractCegarLoop]: Abstraction has 3583 states and 4488 transitions. [2019-09-10 10:51:44,157 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:44,157 INFO L276 IsEmpty]: Start isEmpty. Operand 3583 states and 4488 transitions. [2019-09-10 10:51:44,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-10 10:51:44,162 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:44,163 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:51:44,163 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:44,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:44,163 INFO L82 PathProgramCache]: Analyzing trace with hash -990648821, now seen corresponding path program 1 times [2019-09-10 10:51:44,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:44,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:44,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:44,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:44,167 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:44,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 10:51:44,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:44,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:44,350 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:44,352 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:44,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:44,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:44,353 INFO L87 Difference]: Start difference. First operand 3583 states and 4488 transitions. Second operand 3 states. [2019-09-10 10:51:44,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:44,395 INFO L93 Difference]: Finished difference Result 3582 states and 4486 transitions. [2019-09-10 10:51:44,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:44,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-09-10 10:51:44,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:44,423 INFO L225 Difference]: With dead ends: 3582 [2019-09-10 10:51:44,423 INFO L226 Difference]: Without dead ends: 3582 [2019-09-10 10:51:44,424 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:44,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3582 states. [2019-09-10 10:51:44,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3582 to 3582. [2019-09-10 10:51:44,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3582 states. [2019-09-10 10:51:44,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3582 states and 4486 transitions. [2019-09-10 10:51:44,549 INFO L78 Accepts]: Start accepts. Automaton has 3582 states and 4486 transitions. Word has length 64 [2019-09-10 10:51:44,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:44,550 INFO L475 AbstractCegarLoop]: Abstraction has 3582 states and 4486 transitions. [2019-09-10 10:51:44,550 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3582 states and 4486 transitions. [2019-09-10 10:51:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-10 10:51:44,552 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:44,553 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:51:44,553 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:44,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:44,553 INFO L82 PathProgramCache]: Analyzing trace with hash -645905535, now seen corresponding path program 1 times [2019-09-10 10:51:44,554 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:44,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:44,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:44,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:44,560 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:44,725 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 10:51:44,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:44,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:44,726 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:44,726 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:44,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:44,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:44,727 INFO L87 Difference]: Start difference. First operand 3582 states and 4486 transitions. Second operand 3 states. [2019-09-10 10:51:44,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:44,763 INFO L93 Difference]: Finished difference Result 3581 states and 4484 transitions. [2019-09-10 10:51:44,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:44,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2019-09-10 10:51:44,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:44,784 INFO L225 Difference]: With dead ends: 3581 [2019-09-10 10:51:44,785 INFO L226 Difference]: Without dead ends: 3562 [2019-09-10 10:51:44,785 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:44,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3562 states. [2019-09-10 10:51:44,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3562 to 3562. [2019-09-10 10:51:44,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3562 states. [2019-09-10 10:51:44,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3562 states and 4462 transitions. [2019-09-10 10:51:44,904 INFO L78 Accepts]: Start accepts. Automaton has 3562 states and 4462 transitions. Word has length 65 [2019-09-10 10:51:44,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:44,905 INFO L475 AbstractCegarLoop]: Abstraction has 3562 states and 4462 transitions. [2019-09-10 10:51:44,905 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:44,905 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 4462 transitions. [2019-09-10 10:51:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-09-10 10:51:44,919 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:44,920 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] [2019-09-10 10:51:44,920 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:44,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:44,921 INFO L82 PathProgramCache]: Analyzing trace with hash -658158962, now seen corresponding path program 1 times [2019-09-10 10:51:44,921 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:44,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:44,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:44,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:44,926 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:45,070 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 10:51:45,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:45,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:45,071 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:45,072 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:45,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:45,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:45,074 INFO L87 Difference]: Start difference. First operand 3562 states and 4462 transitions. Second operand 3 states. [2019-09-10 10:51:45,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:45,197 INFO L93 Difference]: Finished difference Result 4798 states and 5882 transitions. [2019-09-10 10:51:45,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:45,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-09-10 10:51:45,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:45,228 INFO L225 Difference]: With dead ends: 4798 [2019-09-10 10:51:45,228 INFO L226 Difference]: Without dead ends: 4798 [2019-09-10 10:51:45,229 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:45,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4798 states. [2019-09-10 10:51:45,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4798 to 4780. [2019-09-10 10:51:45,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4780 states. [2019-09-10 10:51:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4780 states to 4780 states and 5865 transitions. [2019-09-10 10:51:45,393 INFO L78 Accepts]: Start accepts. Automaton has 4780 states and 5865 transitions. Word has length 122 [2019-09-10 10:51:45,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:45,393 INFO L475 AbstractCegarLoop]: Abstraction has 4780 states and 5865 transitions. [2019-09-10 10:51:45,394 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 4780 states and 5865 transitions. [2019-09-10 10:51:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-09-10 10:51:45,400 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:45,400 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2019-09-10 10:51:45,400 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:45,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:45,401 INFO L82 PathProgramCache]: Analyzing trace with hash 947078827, now seen corresponding path program 1 times [2019-09-10 10:51:45,401 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:45,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:45,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:45,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:45,405 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:45,625 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-10 10:51:45,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:45,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:45,626 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:45,626 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:45,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:45,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:45,627 INFO L87 Difference]: Start difference. First operand 4780 states and 5865 transitions. Second operand 3 states. [2019-09-10 10:51:45,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:45,923 INFO L93 Difference]: Finished difference Result 6054 states and 7342 transitions. [2019-09-10 10:51:45,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:45,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2019-09-10 10:51:45,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:45,978 INFO L225 Difference]: With dead ends: 6054 [2019-09-10 10:51:45,979 INFO L226 Difference]: Without dead ends: 6054 [2019-09-10 10:51:45,979 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:45,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6054 states. [2019-09-10 10:51:46,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6054 to 6036. [2019-09-10 10:51:46,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6036 states. [2019-09-10 10:51:46,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6036 states to 6036 states and 7325 transitions. [2019-09-10 10:51:46,187 INFO L78 Accepts]: Start accepts. Automaton has 6036 states and 7325 transitions. Word has length 151 [2019-09-10 10:51:46,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:46,188 INFO L475 AbstractCegarLoop]: Abstraction has 6036 states and 7325 transitions. [2019-09-10 10:51:46,188 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:46,189 INFO L276 IsEmpty]: Start isEmpty. Operand 6036 states and 7325 transitions. [2019-09-10 10:51:46,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-09-10 10:51:46,197 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:46,198 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2019-09-10 10:51:46,198 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:46,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:46,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1755432926, now seen corresponding path program 1 times [2019-09-10 10:51:46,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:46,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:46,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:46,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:46,205 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:46,378 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-10 10:51:46,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:46,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:46,379 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:46,379 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:46,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:46,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:46,380 INFO L87 Difference]: Start difference. First operand 6036 states and 7325 transitions. Second operand 3 states. [2019-09-10 10:51:46,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:46,640 INFO L93 Difference]: Finished difference Result 8366 states and 10104 transitions. [2019-09-10 10:51:46,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:46,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-09-10 10:51:46,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:46,680 INFO L225 Difference]: With dead ends: 8366 [2019-09-10 10:51:46,681 INFO L226 Difference]: Without dead ends: 8366 [2019-09-10 10:51:46,681 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:46,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8366 states. [2019-09-10 10:51:46,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8366 to 8348. [2019-09-10 10:51:46,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8348 states. [2019-09-10 10:51:46,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8348 states to 8348 states and 10087 transitions. [2019-09-10 10:51:46,914 INFO L78 Accepts]: Start accepts. Automaton has 8348 states and 10087 transitions. Word has length 167 [2019-09-10 10:51:46,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:46,915 INFO L475 AbstractCegarLoop]: Abstraction has 8348 states and 10087 transitions. [2019-09-10 10:51:46,915 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:46,915 INFO L276 IsEmpty]: Start isEmpty. Operand 8348 states and 10087 transitions. [2019-09-10 10:51:46,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-09-10 10:51:46,928 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:46,929 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2019-09-10 10:51:46,929 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:46,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:46,930 INFO L82 PathProgramCache]: Analyzing trace with hash 944441253, now seen corresponding path program 1 times [2019-09-10 10:51:46,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:46,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:46,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:46,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:46,938 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:47,259 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-10 10:51:47,260 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:51:47,260 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 10:51:47,261 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2019-09-10 10:51:47,264 INFO L207 CegarAbsIntRunner]: [62], [63], [64], [147], [148], [185], [187], [189], [192], [195], [202], [203], [204], [206], [207], [376], [378], [379], [448], [455], [462], [464], [465], [637], [638], [641], [643], [644], [783], [784], [802], [804], [806], [810], [813], [816], [823], [825], [827], [831], [855], [856], [859], [861], [863], [865], [867], [919], [922], [925], [928], [931], [933], [937], [940], [943], [945], [948], [957], [976], [979], [982], [995], [998], [1001], [1003], [1008], [1014], [1027], [1030], [1033], [1035], [1038], [1087], [1088], [1146], [1148], [1150], [1153], [1187], [1193], [1217], [1248], [1249], [1361], [1362], [1411], [1413], [1414], [1415], [1416], [1427], [1429], [1431], [1432], [1450], [1451], [1476], [1510], [1513], [1517], [1743], [1744], [1745], [1746], [1747], [1748], [1797], [1798], [1819], [1820], [1825], [1826], [1837], [1838], [1905], [1906], [1907], [1908], [1909], [1910], [1911], [1912], [1915], [1916], [1929], [1930], [1931], [1932], [1933], [1934], [1941], [1942], [1943], [1944], [1945], [1946], [1951], [1952], [1955], [1956], [1963], [1985], [1986], [2059], [2060], [2061], [2062], [2063], [2064], [2075], [2103], [2104], [2105] [2019-09-10 10:51:47,347 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 10:51:47,347 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 10:51:47,470 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 10:51:47,471 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 131 root evaluator evaluations with a maximum evaluation depth of 0. Performed 131 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 266 variables. [2019-09-10 10:51:47,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:47,477 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 10:51:47,580 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 10:51:47,580 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 10:51:47,586 INFO L420 sIntCurrentIteration]: We unified 174 AI predicates to 174 [2019-09-10 10:51:47,586 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 10:51:47,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 10:51:47,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-09-10 10:51:47,588 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:47,588 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 10:51:47,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 10:51:47,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:51:47,589 INFO L87 Difference]: Start difference. First operand 8348 states and 10087 transitions. Second operand 2 states. [2019-09-10 10:51:47,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:47,590 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 10:51:47,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 10:51:47,590 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 175 [2019-09-10 10:51:47,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:47,591 INFO L225 Difference]: With dead ends: 2 [2019-09-10 10:51:47,591 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:51:47,592 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:51:47,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:51:47,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:51:47,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:51:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:51:47,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2019-09-10 10:51:47,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:47,593 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:51:47,593 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 10:51:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:51:47,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:51:47,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:51:47 BoogieIcfgContainer [2019-09-10 10:51:47,601 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:51:47,604 INFO L168 Benchmark]: Toolchain (without parser) took 14211.96 ms. Allocated memory was 134.2 MB in the beginning and 546.8 MB in the end (delta: 412.6 MB). Free memory was 80.7 MB in the beginning and 358.6 MB in the end (delta: -277.9 MB). Peak memory consumption was 134.8 MB. Max. memory is 7.1 GB. [2019-09-10 10:51:47,605 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 10:51:47,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2469.97 ms. Allocated memory was 134.2 MB in the beginning and 261.6 MB in the end (delta: 127.4 MB). Free memory was 80.3 MB in the beginning and 197.4 MB in the end (delta: -117.1 MB). Peak memory consumption was 113.6 MB. Max. memory is 7.1 GB. [2019-09-10 10:51:47,609 INFO L168 Benchmark]: Boogie Preprocessor took 255.01 ms. Allocated memory is still 261.6 MB. Free memory was 197.4 MB in the beginning and 181.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-10 10:51:47,610 INFO L168 Benchmark]: RCFGBuilder took 4811.94 ms. Allocated memory was 261.6 MB in the beginning and 357.0 MB in the end (delta: 95.4 MB). Free memory was 181.4 MB in the beginning and 148.9 MB in the end (delta: 32.5 MB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. [2019-09-10 10:51:47,615 INFO L168 Benchmark]: TraceAbstraction took 6669.09 ms. Allocated memory was 357.0 MB in the beginning and 546.8 MB in the end (delta: 189.8 MB). Free memory was 148.9 MB in the beginning and 358.6 MB in the end (delta: -209.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 10:51:47,622 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 134.2 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2469.97 ms. Allocated memory was 134.2 MB in the beginning and 261.6 MB in the end (delta: 127.4 MB). Free memory was 80.3 MB in the beginning and 197.4 MB in the end (delta: -117.1 MB). Peak memory consumption was 113.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 255.01 ms. Allocated memory is still 261.6 MB. Free memory was 197.4 MB in the beginning and 181.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4811.94 ms. Allocated memory was 261.6 MB in the beginning and 357.0 MB in the end (delta: 95.4 MB). Free memory was 181.4 MB in the beginning and 148.9 MB in the end (delta: 32.5 MB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6669.09 ms. Allocated memory was 357.0 MB in the beginning and 546.8 MB in the end (delta: 189.8 MB). Free memory was 148.9 MB in the beginning and 358.6 MB in the end (delta: -209.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5659]: 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 148 procedures, 1047 locations, 1 error locations. SAFE Result, 6.5s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12064 SDtfs, 8461 SDslu, 5494 SDs, 0 SdLazy, 95 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8348occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.1551724137931036 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 64 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 975 NumberOfCodeBlocks, 975 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 965 ConstructedInterpolants, 0 QuantifiedInterpolants, 165677 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 193/211 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...