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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 01:57:20,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 01:57:20,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 01:57:20,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 01:57:20,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 01:57:20,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 01:57:20,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 01:57:20,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 01:57:20,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 01:57:20,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 01:57:20,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 01:57:20,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 01:57:20,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 01:57:20,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 01:57:20,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 01:57:20,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 01:57:20,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 01:57:20,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 01:57:20,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 01:57:20,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 01:57:20,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 01:57:20,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 01:57:20,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 01:57:20,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 01:57:20,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 01:57:20,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 01:57:20,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 01:57:20,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 01:57:20,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 01:57:20,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 01:57:20,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 01:57:20,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 01:57:20,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 01:57:20,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 01:57:20,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 01:57:20,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 01:57:20,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 01:57:20,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 01:57:20,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 01:57:20,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 01:57:20,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 01:57:20,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 01:57:20,918 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 01:57:20,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 01:57:20,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 01:57:20,919 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 01:57:20,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 01:57:20,920 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 01:57:20,920 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 01:57:20,920 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 01:57:20,920 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 01:57:20,920 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 01:57:20,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 01:57:20,921 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 01:57:20,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 01:57:20,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 01:57:20,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 01:57:20,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 01:57:20,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 01:57:20,923 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 01:57:20,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 01:57:20,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 01:57:20,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 01:57:20,924 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 01:57:20,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 01:57:20,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 01:57:20,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 01:57:20,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 01:57:20,925 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 01:57:20,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 01:57:20,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 01:57:20,925 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 01:57:20,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 01:57:20,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 01:57:20,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 01:57:20,993 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 01:57:20,994 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 01:57:20,995 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-10-03 01:57:21,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1759a5385/0020e6e114ef43aaace469da1caff8af/FLAG0ee6f70a2 [2019-10-03 01:57:22,050 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 01:57:22,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-10-03 01:57:22,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1759a5385/0020e6e114ef43aaace469da1caff8af/FLAG0ee6f70a2 [2019-10-03 01:57:22,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1759a5385/0020e6e114ef43aaace469da1caff8af [2019-10-03 01:57:22,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 01:57:22,394 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 01:57:22,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 01:57:22,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 01:57:22,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 01:57:22,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:57:22" (1/1) ... [2019-10-03 01:57:22,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5332dd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:57:22, skipping insertion in model container [2019-10-03 01:57:22,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:57:22" (1/1) ... [2019-10-03 01:57:22,414 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 01:57:22,603 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 01:57:24,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 01:57:25,073 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 01:57:25,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 01:57:25,644 INFO L192 MainTranslator]: Completed translation [2019-10-03 01:57:25,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:57:25 WrapperNode [2019-10-03 01:57:25,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 01:57:25,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 01:57:25,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 01:57:25,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 01:57:25,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:57:25" (1/1) ... [2019-10-03 01:57:25,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:57:25" (1/1) ... [2019-10-03 01:57:25,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:57:25" (1/1) ... [2019-10-03 01:57:25,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:57:25" (1/1) ... [2019-10-03 01:57:25,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:57:25" (1/1) ... [2019-10-03 01:57:25,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:57:25" (1/1) ... [2019-10-03 01:57:26,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:57:25" (1/1) ... [2019-10-03 01:57:26,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 01:57:26,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 01:57:26,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 01:57:26,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 01:57:26,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:57:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 01:57:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 01:57:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 01:57:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-03 01:57:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-03 01:57:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 01:57:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 01:57:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-03 01:57:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-03 01:57:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 01:57:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 01:57:26,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 01:57:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 01:57:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 01:57:26,180 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-03 01:57:26,181 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-03 01:57:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-03 01:57:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-03 01:57:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 01:57:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-03 01:57:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-03 01:57:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2019-10-03 01:57:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2019-10-03 01:57:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-03 01:57:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-03 01:57:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-03 01:57:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-10-03 01:57:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-03 01:57:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-03 01:57:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-10-03 01:57:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-03 01:57:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-03 01:57:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2019-10-03 01:57:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2019-10-03 01:57:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-03 01:57:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2019-10-03 01:57:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-03 01:57:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-03 01:57:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2019-10-03 01:57:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2019-10-03 01:57:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2019-10-03 01:57:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_cb [2019-10-03 01:57:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_dummy_cb [2019-10-03 01:57:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2019-10-03 01:57:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2019-10-03 01:57:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_init_urbs [2019-10-03 01:57:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2019-10-03 01:57:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_lm87_chksum [2019-10-03 01:57:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_lm87 [2019-10-03 01:57:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_net2280 [2019-10-03 01:57:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2019-10-03 01:57:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2019-10-03 01:57:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2019-10-03 01:57:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_device_reset [2019-10-03 01:57:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_firmware_reset_3887 [2019-10-03 01:57:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_3887 [2019-10-03 01:57:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_net2280 [2019-10-03 01:57:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2019-10-03 01:57:26,194 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_start_ops [2019-10-03 01:57:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware_cb [2019-10-03 01:57:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware [2019-10-03 01:57:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_probe [2019-10-03 01:57:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2019-10-03 01:57:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2019-10-03 01:57:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2019-10-03 01:57:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2019-10-03 01:57:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_suspend [2019-10-03 01:57:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_init [2019-10-03 01:57:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_exit [2019-10-03 01:57:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-03 01:57:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 01:57:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-03 01:57:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-03 01:57:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-03 01:57:26,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-03 01:57:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-03 01:57:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-03 01:57:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-10-03 01:57:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2019-10-03 01:57:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2019-10-03 01:57:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2019-10-03 01:57:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2019-10-03 01:57:26,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 01:57:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-03 01:57:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 01:57:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 01:57:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 01:57:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 01:57:26,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-03 01:57:26,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-03 01:57:26,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-03 01:57:26,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-03 01:57:26,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-03 01:57:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-03 01:57:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-03 01:57:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-03 01:57:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-03 01:57:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-03 01:57:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-03 01:57:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-03 01:57:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-03 01:57:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-03 01:57:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-03 01:57:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-03 01:57:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-03 01:57:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-03 01:57:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-03 01:57:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-03 01:57:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-03 01:57:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-03 01:57:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-03 01:57:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-03 01:57:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-03 01:57:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-03 01:57:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-03 01:57:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-03 01:57:26,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-03 01:57:26,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-03 01:57:26,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-03 01:57:26,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-03 01:57:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-03 01:57:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev_of_p54u_priv [2019-10-03 01:57:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev_of_p54u_priv [2019-10-03 01:57:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev_of_p54u_priv [2019-10-03 01:57:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev_of_p54u_priv [2019-10-03 01:57:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev_of_p54u_priv [2019-10-03 01:57:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev_of_p54u_priv [2019-10-03 01:57:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev_of_p54u_priv [2019-10-03 01:57:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev_of_p54u_priv [2019-10-03 01:57:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev_of_p54u_priv [2019-10-03 01:57:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev_of_p54u_priv [2019-10-03 01:57:26,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev_of_p54u_priv [2019-10-03 01:57:26,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 01:57:26,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-03 01:57:26,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-03 01:57:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-03 01:57:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2019-10-03 01:57:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-10-03 01:57:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-10-03 01:57:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-03 01:57:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-03 01:57:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-03 01:57:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-03 01:57:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-03 01:57:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2019-10-03 01:57:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_restart_hw [2019-10-03 01:57:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-03 01:57:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2019-10-03 01:57:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 01:57:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-03 01:57:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-03 01:57:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-03 01:57:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_common [2019-10-03 01:57:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2019-10-03 01:57:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_init_common [2019-10-03 01:57:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_parse_firmware [2019-10-03 01:57:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_read_eeprom [2019-10-03 01:57:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_register_common [2019-10-03 01:57:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_rx [2019-10-03 01:57:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_unregister_common [2019-10-03 01:57:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-03 01:57:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware_nowait [2019-10-03 01:57:26,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-03 01:57:26,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-03 01:57:26,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-03 01:57:26,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-10-03 01:57:26,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-03 01:57:26,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2019-10-03 01:57:26,227 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-03 01:57:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-10-03 01:57:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-03 01:57:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-03 01:57:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-03 01:57:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-10-03 01:57:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-03 01:57:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interrupt_msg [2019-10-03 01:57:26,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-10-03 01:57:26,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-10-03 01:57:26,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-03 01:57:26,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-10-03 01:57:26,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-03 01:57:26,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-10-03 01:57:26,229 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-03 01:57:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 01:57:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 01:57:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 01:57:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 01:57:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 01:57:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-10-03 01:57:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 01:57:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 01:57:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-03 01:57:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 01:57:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 01:57:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 01:57:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-03 01:57:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-03 01:57:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-03 01:57:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2019-10-03 01:57:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-03 01:57:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-03 01:57:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-03 01:57:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-03 01:57:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-03 01:57:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-03 01:57:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 01:57:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 01:57:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 01:57:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 01:57:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 01:57:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 01:57:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 01:57:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 01:57:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 01:57:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 01:57:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-03 01:57:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-03 01:57:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 01:57:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 01:57:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 01:57:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 01:57:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 01:57:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2019-10-03 01:57:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2019-10-03 01:57:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-03 01:57:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-03 01:57:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-03 01:57:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-10-03 01:57:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-03 01:57:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-03 01:57:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-03 01:57:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-03 01:57:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-03 01:57:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-03 01:57:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-03 01:57:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev_of_p54u_priv [2019-10-03 01:57:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev_of_p54u_priv [2019-10-03 01:57:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-03 01:57:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-03 01:57:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-03 01:57:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-03 01:57:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 01:57:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 01:57:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 01:57:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-03 01:57:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-03 01:57:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-10-03 01:57:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-03 01:57:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 01:57:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-03 01:57:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 01:57:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-03 01:57:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-03 01:57:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-03 01:57:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 01:57:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-03 01:57:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2019-10-03 01:57:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2019-10-03 01:57:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2019-10-03 01:57:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-03 01:57:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-03 01:57:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-03 01:57:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-03 01:57:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-03 01:57:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-10-03 01:57:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-10-03 01:57:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2019-10-03 01:57:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-10-03 01:57:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-03 01:57:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-03 01:57:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2019-10-03 01:57:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-03 01:57:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2019-10-03 01:57:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-10-03 01:57:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-03 01:57:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-03 01:57:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-03 01:57:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-03 01:57:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-10-03 01:57:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-10-03 01:57:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-10-03 01:57:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interrupt_msg [2019-10-03 01:57:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-03 01:57:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-03 01:57:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 01:57:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware_nowait [2019-10-03 01:57:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-03 01:57:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-03 01:57:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-10-03 01:57:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-03 01:57:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-03 01:57:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-10-03 01:57:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2019-10-03 01:57:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2019-10-03 01:57:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2019-10-03 01:57:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-03 01:57:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-03 01:57:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-03 01:57:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-03 01:57:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-10-03 01:57:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-03 01:57:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2019-10-03 01:57:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-03 01:57:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-03 01:57:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-03 01:57:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-03 01:57:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2019-10-03 01:57:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2019-10-03 01:57:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_restart_hw [2019-10-03 01:57:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure p54_rx [2019-10-03 01:57:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2019-10-03 01:57:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure p54_parse_firmware [2019-10-03 01:57:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure p54_read_eeprom [2019-10-03 01:57:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure p54_init_common [2019-10-03 01:57:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure p54_register_common [2019-10-03 01:57:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_common [2019-10-03 01:57:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure p54_unregister_common [2019-10-03 01:57:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2019-10-03 01:57:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_cb [2019-10-03 01:57:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_dummy_cb [2019-10-03 01:57:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2019-10-03 01:57:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2019-10-03 01:57:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_init_urbs [2019-10-03 01:57:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2019-10-03 01:57:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_lm87_chksum [2019-10-03 01:57:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_lm87 [2019-10-03 01:57:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_net2280 [2019-10-03 01:57:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2019-10-03 01:57:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2019-10-03 01:57:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2019-10-03 01:57:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_device_reset [2019-10-03 01:57:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_firmware_reset_3887 [2019-10-03 01:57:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_3887 [2019-10-03 01:57:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-10-03 01:57:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 01:57:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_net2280 [2019-10-03 01:57:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2019-10-03 01:57:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_start_ops [2019-10-03 01:57:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-03 01:57:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware_cb [2019-10-03 01:57:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware [2019-10-03 01:57:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_probe [2019-10-03 01:57:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2019-10-03 01:57:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2019-10-03 01:57:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2019-10-03 01:57:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2019-10-03 01:57:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_suspend [2019-10-03 01:57:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_init [2019-10-03 01:57:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_exit [2019-10-03 01:57:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 01:57:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 01:57:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 01:57:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 01:57:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-03 01:57:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 01:57:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 01:57:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 01:57:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 01:57:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-03 01:57:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-03 01:57:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-03 01:57:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-03 01:57:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-03 01:57:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-03 01:57:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-03 01:57:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-03 01:57:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-03 01:57:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-03 01:57:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-03 01:57:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-03 01:57:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-03 01:57:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-03 01:57:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-03 01:57:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-03 01:57:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-03 01:57:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-03 01:57:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-03 01:57:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-03 01:57:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-03 01:57:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-03 01:57:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-03 01:57:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-03 01:57:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-03 01:57:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-03 01:57:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev_of_p54u_priv [2019-10-03 01:57:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev_of_p54u_priv [2019-10-03 01:57:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev_of_p54u_priv [2019-10-03 01:57:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev_of_p54u_priv [2019-10-03 01:57:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev_of_p54u_priv [2019-10-03 01:57:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev_of_p54u_priv [2019-10-03 01:57:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev_of_p54u_priv [2019-10-03 01:57:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev_of_p54u_priv [2019-10-03 01:57:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev_of_p54u_priv [2019-10-03 01:57:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 01:57:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-03 01:57:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 01:57:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 01:57:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 01:57:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 01:57:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 01:57:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 01:57:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 01:57:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 01:57:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 01:57:27,340 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 01:57:32,503 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 01:57:32,503 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 01:57:32,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:57:32 BoogieIcfgContainer [2019-10-03 01:57:32,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 01:57:32,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 01:57:32,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 01:57:32,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 01:57:32,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 01:57:22" (1/3) ... [2019-10-03 01:57:32,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c94dfad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:57:32, skipping insertion in model container [2019-10-03 01:57:32,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:57:25" (2/3) ... [2019-10-03 01:57:32,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c94dfad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:57:32, skipping insertion in model container [2019-10-03 01:57:32,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:57:32" (3/3) ... [2019-10-03 01:57:32,514 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-10-03 01:57:32,524 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 01:57:32,535 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 01:57:32,553 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 01:57:32,581 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 01:57:32,582 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 01:57:32,582 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 01:57:32,582 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 01:57:32,582 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 01:57:32,582 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 01:57:32,582 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 01:57:32,583 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 01:57:32,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states. [2019-10-03 01:57:32,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-03 01:57:32,636 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:57:32,637 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:57:32,639 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:57:32,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:57:32,645 INFO L82 PathProgramCache]: Analyzing trace with hash -66644164, now seen corresponding path program 1 times [2019-10-03 01:57:32,647 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:57:32,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:32,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:57:32,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:32,742 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:57:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:57:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 01:57:33,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:57:33,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:57:33,476 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:57:33,482 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:57:33,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:57:33,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:33,502 INFO L87 Difference]: Start difference. First operand 1323 states. Second operand 3 states. [2019-10-03 01:57:34,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:57:34,169 INFO L93 Difference]: Finished difference Result 1728 states and 2272 transitions. [2019-10-03 01:57:34,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:57:34,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-10-03 01:57:34,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:57:34,207 INFO L225 Difference]: With dead ends: 1728 [2019-10-03 01:57:34,207 INFO L226 Difference]: Without dead ends: 1711 [2019-10-03 01:57:34,209 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:34,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2019-10-03 01:57:34,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1707. [2019-10-03 01:57:34,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-10-03 01:57:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2244 transitions. [2019-10-03 01:57:34,429 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2244 transitions. Word has length 54 [2019-10-03 01:57:34,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:57:34,430 INFO L475 AbstractCegarLoop]: Abstraction has 1707 states and 2244 transitions. [2019-10-03 01:57:34,430 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:57:34,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2244 transitions. [2019-10-03 01:57:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-03 01:57:34,437 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:57:34,437 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:57:34,438 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:57:34,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:57:34,438 INFO L82 PathProgramCache]: Analyzing trace with hash -435482671, now seen corresponding path program 1 times [2019-10-03 01:57:34,438 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:57:34,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:34,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:57:34,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:34,453 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:57:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:57:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-03 01:57:34,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:57:34,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:57:34,998 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:57:35,000 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:57:35,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:57:35,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:35,001 INFO L87 Difference]: Start difference. First operand 1707 states and 2244 transitions. Second operand 3 states. [2019-10-03 01:57:35,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:57:35,128 INFO L93 Difference]: Finished difference Result 1718 states and 2256 transitions. [2019-10-03 01:57:35,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:57:35,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-10-03 01:57:35,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:57:35,145 INFO L225 Difference]: With dead ends: 1718 [2019-10-03 01:57:35,145 INFO L226 Difference]: Without dead ends: 1718 [2019-10-03 01:57:35,146 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:35,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2019-10-03 01:57:35,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1707. [2019-10-03 01:57:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-10-03 01:57:35,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2243 transitions. [2019-10-03 01:57:35,242 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2243 transitions. Word has length 75 [2019-10-03 01:57:35,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:57:35,244 INFO L475 AbstractCegarLoop]: Abstraction has 1707 states and 2243 transitions. [2019-10-03 01:57:35,244 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:57:35,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2243 transitions. [2019-10-03 01:57:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-03 01:57:35,264 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:57:35,268 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:57:35,269 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:57:35,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:57:35,269 INFO L82 PathProgramCache]: Analyzing trace with hash -378224369, now seen corresponding path program 1 times [2019-10-03 01:57:35,269 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:57:35,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:35,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:57:35,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:35,284 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:57:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:57:35,684 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-03 01:57:35,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:57:35,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:57:35,685 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:57:35,685 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:57:35,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:57:35,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:35,687 INFO L87 Difference]: Start difference. First operand 1707 states and 2243 transitions. Second operand 3 states. [2019-10-03 01:57:35,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:57:35,721 INFO L93 Difference]: Finished difference Result 1706 states and 2241 transitions. [2019-10-03 01:57:35,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:57:35,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-10-03 01:57:35,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:57:35,736 INFO L225 Difference]: With dead ends: 1706 [2019-10-03 01:57:35,736 INFO L226 Difference]: Without dead ends: 1706 [2019-10-03 01:57:35,737 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:35,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2019-10-03 01:57:35,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1706. [2019-10-03 01:57:35,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2019-10-03 01:57:35,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2241 transitions. [2019-10-03 01:57:35,800 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2241 transitions. Word has length 75 [2019-10-03 01:57:35,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:57:35,800 INFO L475 AbstractCegarLoop]: Abstraction has 1706 states and 2241 transitions. [2019-10-03 01:57:35,800 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:57:35,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2241 transitions. [2019-10-03 01:57:35,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-03 01:57:35,803 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:57:35,803 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:57:35,804 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:57:35,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:57:35,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1159377338, now seen corresponding path program 1 times [2019-10-03 01:57:35,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:57:35,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:35,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:57:35,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:35,815 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:57:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:57:36,162 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-03 01:57:36,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:57:36,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:57:36,163 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:57:36,165 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:57:36,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:57:36,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:36,166 INFO L87 Difference]: Start difference. First operand 1706 states and 2241 transitions. Second operand 3 states. [2019-10-03 01:57:36,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:57:36,205 INFO L93 Difference]: Finished difference Result 1705 states and 2239 transitions. [2019-10-03 01:57:36,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:57:36,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2019-10-03 01:57:36,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:57:36,222 INFO L225 Difference]: With dead ends: 1705 [2019-10-03 01:57:36,222 INFO L226 Difference]: Without dead ends: 1705 [2019-10-03 01:57:36,223 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:36,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2019-10-03 01:57:36,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1705. [2019-10-03 01:57:36,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-10-03 01:57:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2239 transitions. [2019-10-03 01:57:36,292 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2239 transitions. Word has length 76 [2019-10-03 01:57:36,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:57:36,293 INFO L475 AbstractCegarLoop]: Abstraction has 1705 states and 2239 transitions. [2019-10-03 01:57:36,293 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:57:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2239 transitions. [2019-10-03 01:57:36,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-03 01:57:36,298 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:57:36,298 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:57:36,298 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:57:36,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:57:36,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1580394866, now seen corresponding path program 1 times [2019-10-03 01:57:36,299 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:57:36,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:36,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:57:36,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:36,310 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:57:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:57:36,617 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-03 01:57:36,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:57:36,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:57:36,618 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:57:36,619 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:57:36,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:57:36,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:36,620 INFO L87 Difference]: Start difference. First operand 1705 states and 2239 transitions. Second operand 3 states. [2019-10-03 01:57:36,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:57:36,655 INFO L93 Difference]: Finished difference Result 1704 states and 2237 transitions. [2019-10-03 01:57:36,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:57:36,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-10-03 01:57:36,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:57:36,666 INFO L225 Difference]: With dead ends: 1704 [2019-10-03 01:57:36,667 INFO L226 Difference]: Without dead ends: 1704 [2019-10-03 01:57:36,667 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:36,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2019-10-03 01:57:36,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1704. [2019-10-03 01:57:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1704 states. [2019-10-03 01:57:36,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2237 transitions. [2019-10-03 01:57:36,751 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2237 transitions. Word has length 77 [2019-10-03 01:57:36,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:57:36,752 INFO L475 AbstractCegarLoop]: Abstraction has 1704 states and 2237 transitions. [2019-10-03 01:57:36,752 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:57:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2237 transitions. [2019-10-03 01:57:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-03 01:57:36,754 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:57:36,754 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:57:36,755 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:57:36,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:57:36,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1747041213, now seen corresponding path program 1 times [2019-10-03 01:57:36,755 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:57:36,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:36,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:57:36,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:36,775 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:57:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:57:37,734 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-03 01:57:37,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:57:37,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:57:37,735 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:57:37,735 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:57:37,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:57:37,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:37,736 INFO L87 Difference]: Start difference. First operand 1704 states and 2237 transitions. Second operand 3 states. [2019-10-03 01:57:37,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:57:37,833 INFO L93 Difference]: Finished difference Result 3355 states and 4428 transitions. [2019-10-03 01:57:37,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:57:37,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-10-03 01:57:37,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:57:37,856 INFO L225 Difference]: With dead ends: 3355 [2019-10-03 01:57:37,857 INFO L226 Difference]: Without dead ends: 3337 [2019-10-03 01:57:37,857 INFO L640 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 [2019-10-03 01:57:37,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3337 states. [2019-10-03 01:57:37,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3337 to 3324. [2019-10-03 01:57:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3324 states. [2019-10-03 01:57:37,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 3324 states and 4397 transitions. [2019-10-03 01:57:37,976 INFO L78 Accepts]: Start accepts. Automaton has 3324 states and 4397 transitions. Word has length 78 [2019-10-03 01:57:37,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:57:37,978 INFO L475 AbstractCegarLoop]: Abstraction has 3324 states and 4397 transitions. [2019-10-03 01:57:37,978 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:57:37,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 4397 transitions. [2019-10-03 01:57:37,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-03 01:57:37,989 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:57:37,990 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:57:37,991 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:57:37,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:57:37,992 INFO L82 PathProgramCache]: Analyzing trace with hash 809204923, now seen corresponding path program 1 times [2019-10-03 01:57:37,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:57:38,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:38,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:57:38,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:38,003 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:57:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:57:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-03 01:57:38,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:57:38,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:57:38,266 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:57:38,268 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:57:38,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:57:38,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:38,269 INFO L87 Difference]: Start difference. First operand 3324 states and 4397 transitions. Second operand 3 states. [2019-10-03 01:57:38,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:57:38,454 INFO L93 Difference]: Finished difference Result 3414 states and 4513 transitions. [2019-10-03 01:57:38,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:57:38,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-03 01:57:38,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:57:38,477 INFO L225 Difference]: With dead ends: 3414 [2019-10-03 01:57:38,477 INFO L226 Difference]: Without dead ends: 3414 [2019-10-03 01:57:38,478 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:38,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3414 states. [2019-10-03 01:57:38,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3414 to 3378. [2019-10-03 01:57:38,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3378 states. [2019-10-03 01:57:38,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3378 states to 3378 states and 4472 transitions. [2019-10-03 01:57:38,607 INFO L78 Accepts]: Start accepts. Automaton has 3378 states and 4472 transitions. Word has length 153 [2019-10-03 01:57:38,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:57:38,607 INFO L475 AbstractCegarLoop]: Abstraction has 3378 states and 4472 transitions. [2019-10-03 01:57:38,608 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:57:38,608 INFO L276 IsEmpty]: Start isEmpty. Operand 3378 states and 4472 transitions. [2019-10-03 01:57:38,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-03 01:57:38,616 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:57:38,616 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:57:38,617 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:57:38,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:57:38,618 INFO L82 PathProgramCache]: Analyzing trace with hash -229139875, now seen corresponding path program 1 times [2019-10-03 01:57:38,618 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:57:38,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:38,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:57:38,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:38,629 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:57:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:57:38,955 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-03 01:57:38,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:57:38,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:57:38,956 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:57:38,957 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:57:38,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:57:38,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:38,958 INFO L87 Difference]: Start difference. First operand 3378 states and 4472 transitions. Second operand 3 states. [2019-10-03 01:57:39,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:57:39,005 INFO L93 Difference]: Finished difference Result 3406 states and 4508 transitions. [2019-10-03 01:57:39,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:57:39,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-10-03 01:57:39,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:57:39,030 INFO L225 Difference]: With dead ends: 3406 [2019-10-03 01:57:39,030 INFO L226 Difference]: Without dead ends: 3406 [2019-10-03 01:57:39,030 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:39,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2019-10-03 01:57:39,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3402. [2019-10-03 01:57:39,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3402 states. [2019-10-03 01:57:39,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3402 states to 3402 states and 4502 transitions. [2019-10-03 01:57:39,238 INFO L78 Accepts]: Start accepts. Automaton has 3402 states and 4502 transitions. Word has length 193 [2019-10-03 01:57:39,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:57:39,239 INFO L475 AbstractCegarLoop]: Abstraction has 3402 states and 4502 transitions. [2019-10-03 01:57:39,239 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:57:39,239 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 4502 transitions. [2019-10-03 01:57:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-10-03 01:57:39,247 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:57:39,248 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:57:39,248 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:57:39,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:57:39,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1670673370, now seen corresponding path program 1 times [2019-10-03 01:57:39,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:57:39,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:39,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:57:39,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:39,261 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:57:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:57:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-03 01:57:39,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:57:39,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:57:39,661 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:57:39,661 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:57:39,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:57:39,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:39,663 INFO L87 Difference]: Start difference. First operand 3402 states and 4502 transitions. Second operand 3 states. [2019-10-03 01:57:40,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:57:40,216 INFO L93 Difference]: Finished difference Result 3404 states and 4497 transitions. [2019-10-03 01:57:40,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:57:40,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2019-10-03 01:57:40,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:57:40,237 INFO L225 Difference]: With dead ends: 3404 [2019-10-03 01:57:40,238 INFO L226 Difference]: Without dead ends: 3404 [2019-10-03 01:57:40,238 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:40,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2019-10-03 01:57:40,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3399. [2019-10-03 01:57:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3399 states. [2019-10-03 01:57:40,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 3399 states and 4493 transitions. [2019-10-03 01:57:40,354 INFO L78 Accepts]: Start accepts. Automaton has 3399 states and 4493 transitions. Word has length 217 [2019-10-03 01:57:40,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:57:40,357 INFO L475 AbstractCegarLoop]: Abstraction has 3399 states and 4493 transitions. [2019-10-03 01:57:40,357 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:57:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand 3399 states and 4493 transitions. [2019-10-03 01:57:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-10-03 01:57:40,364 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:57:40,364 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:57:40,364 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:57:40,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:57:40,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1902485570, now seen corresponding path program 1 times [2019-10-03 01:57:40,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:57:40,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:40,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:57:40,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:40,377 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:57:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:57:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-03 01:57:40,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:57:40,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-03 01:57:40,850 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:57:40,850 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-03 01:57:40,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-03 01:57:40,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-03 01:57:40,851 INFO L87 Difference]: Start difference. First operand 3399 states and 4493 transitions. Second operand 10 states. [2019-10-03 01:57:40,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:57:40,982 INFO L93 Difference]: Finished difference Result 3402 states and 4484 transitions. [2019-10-03 01:57:40,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-03 01:57:40,982 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2019-10-03 01:57:40,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:57:41,001 INFO L225 Difference]: With dead ends: 3402 [2019-10-03 01:57:41,001 INFO L226 Difference]: Without dead ends: 3402 [2019-10-03 01:57:41,002 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-10-03 01:57:41,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2019-10-03 01:57:41,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3386. [2019-10-03 01:57:41,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2019-10-03 01:57:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 4464 transitions. [2019-10-03 01:57:41,097 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 4464 transitions. Word has length 222 [2019-10-03 01:57:41,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:57:41,098 INFO L475 AbstractCegarLoop]: Abstraction has 3386 states and 4464 transitions. [2019-10-03 01:57:41,098 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-03 01:57:41,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 4464 transitions. [2019-10-03 01:57:41,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-10-03 01:57:41,107 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:57:41,107 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:57:41,107 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:57:41,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:57:41,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1422113346, now seen corresponding path program 1 times [2019-10-03 01:57:41,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:57:41,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:41,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:57:41,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:41,121 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:57:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:57:41,734 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 01:57:41,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:57:41,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 01:57:41,734 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:57:41,735 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 01:57:41,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 01:57:41,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 01:57:41,736 INFO L87 Difference]: Start difference. First operand 3386 states and 4464 transitions. Second operand 7 states. [2019-10-03 01:57:41,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:57:41,820 INFO L93 Difference]: Finished difference Result 3398 states and 4476 transitions. [2019-10-03 01:57:41,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 01:57:41,821 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 260 [2019-10-03 01:57:41,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:57:41,839 INFO L225 Difference]: With dead ends: 3398 [2019-10-03 01:57:41,839 INFO L226 Difference]: Without dead ends: 3398 [2019-10-03 01:57:41,840 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 01:57:41,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3398 states. [2019-10-03 01:57:41,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3398 to 3386. [2019-10-03 01:57:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2019-10-03 01:57:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 4462 transitions. [2019-10-03 01:57:41,936 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 4462 transitions. Word has length 260 [2019-10-03 01:57:41,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:57:41,937 INFO L475 AbstractCegarLoop]: Abstraction has 3386 states and 4462 transitions. [2019-10-03 01:57:41,937 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 01:57:41,937 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 4462 transitions. [2019-10-03 01:57:41,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-10-03 01:57:41,947 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:57:41,947 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:57:41,948 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:57:41,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:57:41,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1275835559, now seen corresponding path program 1 times [2019-10-03 01:57:41,948 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:57:41,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:41,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:57:41,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:57:41,958 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:57:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:57:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 01:57:42,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:57:42,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:57:42,335 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:57:42,335 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:57:42,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:57:42,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:42,336 INFO L87 Difference]: Start difference. First operand 3386 states and 4462 transitions. Second operand 3 states. [2019-10-03 01:57:42,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:57:42,364 INFO L93 Difference]: Finished difference Result 1746 states and 2282 transitions. [2019-10-03 01:57:42,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:57:42,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2019-10-03 01:57:42,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:57:42,366 INFO L225 Difference]: With dead ends: 1746 [2019-10-03 01:57:42,366 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 01:57:42,366 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:57:42,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 01:57:42,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 01:57:42,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 01:57:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 01:57:42,367 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 269 [2019-10-03 01:57:42,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:57:42,368 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 01:57:42,368 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:57:42,368 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 01:57:42,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 01:57:42,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 01:57:42 BoogieIcfgContainer [2019-10-03 01:57:42,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 01:57:42,378 INFO L168 Benchmark]: Toolchain (without parser) took 19982.31 ms. Allocated memory was 138.9 MB in the beginning and 779.1 MB in the end (delta: 640.2 MB). Free memory was 75.2 MB in the beginning and 357.8 MB in the end (delta: -282.6 MB). Peak memory consumption was 357.6 MB. Max. memory is 7.1 GB. [2019-10-03 01:57:42,379 INFO L168 Benchmark]: CDTParser took 1.09 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-03 01:57:42,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3250.30 ms. Allocated memory was 138.9 MB in the beginning and 269.5 MB in the end (delta: 130.5 MB). Free memory was 75.0 MB in the beginning and 156.7 MB in the end (delta: -81.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 7.1 GB. [2019-10-03 01:57:42,381 INFO L168 Benchmark]: Boogie Preprocessor took 412.69 ms. Allocated memory is still 269.5 MB. Free memory was 156.7 MB in the beginning and 117.8 MB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. [2019-10-03 01:57:42,382 INFO L168 Benchmark]: RCFGBuilder took 6446.36 ms. Allocated memory was 269.5 MB in the beginning and 455.1 MB in the end (delta: 185.6 MB). Free memory was 117.8 MB in the beginning and 236.8 MB in the end (delta: -119.0 MB). Peak memory consumption was 273.0 MB. Max. memory is 7.1 GB. [2019-10-03 01:57:42,383 INFO L168 Benchmark]: TraceAbstraction took 9868.03 ms. Allocated memory was 455.1 MB in the beginning and 779.1 MB in the end (delta: 324.0 MB). Free memory was 236.8 MB in the beginning and 357.8 MB in the end (delta: -120.9 MB). Peak memory consumption was 203.1 MB. Max. memory is 7.1 GB. [2019-10-03 01:57:42,387 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3250.30 ms. Allocated memory was 138.9 MB in the beginning and 269.5 MB in the end (delta: 130.5 MB). Free memory was 75.0 MB in the beginning and 156.7 MB in the end (delta: -81.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 412.69 ms. Allocated memory is still 269.5 MB. Free memory was 156.7 MB in the beginning and 117.8 MB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6446.36 ms. Allocated memory was 269.5 MB in the beginning and 455.1 MB in the end (delta: 185.6 MB). Free memory was 117.8 MB in the beginning and 236.8 MB in the end (delta: -119.0 MB). Peak memory consumption was 273.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9868.03 ms. Allocated memory was 455.1 MB in the beginning and 779.1 MB in the end (delta: 324.0 MB). Free memory was 236.8 MB in the beginning and 357.8 MB in the end (delta: -120.9 MB). Peak memory consumption was 203.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8931]: 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 188 procedures, 1486 locations, 1 error locations. SAFE Result, 9.8s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15370 SDtfs, 7984 SDslu, 21774 SDs, 0 SdLazy, 144 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3402occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 101 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1749 NumberOfCodeBlocks, 1749 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1737 ConstructedInterpolants, 0 QuantifiedInterpolants, 370947 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 207/207 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...