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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 16:30:22,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 16:30:22,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 16:30:22,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 16:30:22,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 16:30:22,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 16:30:22,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 16:30:22,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 16:30:22,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 16:30:22,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 16:30:22,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 16:30:22,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 16:30:22,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 16:30:22,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 16:30:22,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 16:30:22,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 16:30:22,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 16:30:22,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 16:30:22,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 16:30:22,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 16:30:22,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 16:30:22,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 16:30:22,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 16:30:22,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 16:30:22,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 16:30:22,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 16:30:22,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 16:30:22,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 16:30:22,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 16:30:22,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 16:30:22,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 16:30:22,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 16:30:22,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 16:30:22,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 16:30:22,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 16:30:22,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 16:30:22,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 16:30:22,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 16:30:22,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 16:30:22,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 16:30:22,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 16:30:22,826 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 16:30:22,840 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 16:30:22,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 16:30:22,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 16:30:22,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 16:30:22,842 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 16:30:22,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 16:30:22,842 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 16:30:22,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 16:30:22,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 16:30:22,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 16:30:22,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 16:30:22,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 16:30:22,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 16:30:22,844 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 16:30:22,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 16:30:22,844 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 16:30:22,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 16:30:22,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 16:30:22,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 16:30:22,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 16:30:22,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 16:30:22,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 16:30:22,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 16:30:22,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 16:30:22,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 16:30:22,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 16:30:22,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 16:30:22,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 16:30:22,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 16:30:22,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 16:30:22,905 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 16:30:22,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 16:30:22,909 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 16:30:22,910 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 16:30:22,910 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2019-09-08 16:30:22,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b204c6c72/ace55b510d2a484798d15c6b0c411a15/FLAG0f36a560c [2019-09-08 16:30:23,886 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 16:30:23,889 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2019-09-08 16:30:23,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b204c6c72/ace55b510d2a484798d15c6b0c411a15/FLAG0f36a560c [2019-09-08 16:30:24,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b204c6c72/ace55b510d2a484798d15c6b0c411a15 [2019-09-08 16:30:24,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 16:30:24,317 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 16:30:24,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 16:30:24,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 16:30:24,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 16:30:24,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:30:24" (1/1) ... [2019-09-08 16:30:24,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dab4d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:24, skipping insertion in model container [2019-09-08 16:30:24,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:30:24" (1/1) ... [2019-09-08 16:30:24,331 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 16:30:24,469 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 16:30:27,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 16:30:27,236 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 16:30:27,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 16:30:27,970 INFO L192 MainTranslator]: Completed translation [2019-09-08 16:30:27,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:27 WrapperNode [2019-09-08 16:30:27,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 16:30:27,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 16:30:27,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 16:30:27,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 16:30:27,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:27" (1/1) ... [2019-09-08 16:30:27,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:27" (1/1) ... [2019-09-08 16:30:28,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:27" (1/1) ... [2019-09-08 16:30:28,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:27" (1/1) ... [2019-09-08 16:30:28,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:27" (1/1) ... [2019-09-08 16:30:28,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:27" (1/1) ... [2019-09-08 16:30:28,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:27" (1/1) ... [2019-09-08 16:30:28,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 16:30:28,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 16:30:28,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 16:30:28,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 16:30:28,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 16:30:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 16:30:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 16:30:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-08 16:30:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 16:30:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2019-09-08 16:30:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 16:30:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-08 16:30:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 16:30:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-08 16:30:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-08 16:30:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-08 16:30:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-09-08 16:30:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-09-08 16:30:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-09-08 16:30:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 16:30:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 16:30:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 16:30:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 16:30:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 16:30:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 16:30:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 16:30:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 16:30:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 16:30:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-09-08 16:30:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-09-08 16:30:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-09-08 16:30:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-09-08 16:30:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-09-08 16:30:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-09-08 16:30:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-08 16:30:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-08 16:30:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-08 16:30:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-08 16:30:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-08 16:30:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-09-08 16:30:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-09-08 16:30:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-09-08 16:30:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2019-09-08 16:30:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal_64bits [2019-09-08 16:30:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_probe_resp [2019-09-08 16:30:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2019-09-08 16:30:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2019-09-08 16:30:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2019-09-08 16:30:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2019-09-08 16:30:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2019-09-08 16:30:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2019-09-08 16:30:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2019-09-08 16:30:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2019-09-08 16:30:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_intersil [2019-09-08 16:30:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_503rfmd [2019-09-08 16:30:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_505a [2019-09-08 16:30:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_int_fw_block [2019-09-08 16:30:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_status [2019-09-08 16:30:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_state [2019-09-08 16:30:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_timeout [2019-09-08 16:30:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_usbdfu_download [2019-09-08 16:30:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_ledtrig_tx_timerfunc [2019-09-08 16:30:28,695 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_ledtrig_tx_activity [2019-09-08 16:30:28,695 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remap [2019-09-08 16:30:28,695 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_op_mode [2019-09-08 16:30:28,695 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_ext_fw_block [2019-09-08 16:30:28,695 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg [2019-09-08 16:30:28,695 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg_intersil [2019-09-08 16:30:28,695 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_config [2019-09-08 16:30:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_reg_domain [2019-09-08 16:30:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_mib [2019-09-08 16:30:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status [2019-09-08 16:30:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_string [2019-09-08 16:30:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_card_command [2019-09-08 16:30:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status_string [2019-09-08 16:30:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_wait_completion [2019-09-08 16:30:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_mib [2019-09-08 16:30:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_radio [2019-09-08 16:30:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_pm_mode [2019-09-08 16:30:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_preamble [2019-09-08 16:30:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_frag [2019-09-08 16:30:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_rts [2019-09-08 16:30:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_autorate_fallback [2019-09-08 16:30:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mac_addr [2019-09-08 16:30:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mac_wep [2019-09-08 16:30:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mac_mgmt [2019-09-08 16:30:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mac [2019-09-08 16:30:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_phy [2019-09-08 16:30:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_local [2019-09-08 16:30:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mdomain [2019-09-08 16:30:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_start_monitor [2019-09-08 16:30:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_calc_padding [2019-09-08 16:30:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_rx_callback [2019-09-08 16:30:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_submit_rx_urb [2019-09-08 16:30:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_external_fw [2019-09-08 16:30:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_internal_fw [2019-09-08 16:30:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_startup_device [2019-09-08 16:30:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_work_set_promisc [2019-09-08 16:30:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_work_submit_rx [2019-09-08 16:30:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_guess_freq [2019-09-08 16:30:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_rx_tasklet [2019-09-08 16:30:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_firmware [2019-09-08 16:30:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_join [2019-09-08 16:30:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_work_join_bssid [2019-09-08 16:30:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx_callback [2019-09-08 16:30:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx [2019-09-08 16:30:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_start [2019-09-08 16:30:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_stop [2019-09-08 16:30:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_add_interface [2019-09-08 16:30:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remove_interface [2019-09-08 16:30:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dwork_hw_scan [2019-09-08 16:30:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_hw_scan [2019-09-08 16:30:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_config [2019-09-08 16:30:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_bss_info_changed [2019-09-08 16:30:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_configure_filter [2019-09-08 16:30:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_wep [2019-09-08 16:30:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_key [2019-09-08 16:30:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_alloc_new_device [2019-09-08 16:30:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_alloc_urbs [2019-09-08 16:30:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_init_new_device [2019-09-08 16:30:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_delete_device [2019-09-08 16:30:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_probe [2019-09-08 16:30:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_disconnect [2019-09-08 16:30:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mod_init [2019-09-08 16:30:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mod_exit [2019-09-08 16:30:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-09-08 16:30:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ieee80211_ops_2 [2019-09-08 16:30:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 16:30:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-08 16:30:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-08 16:30:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-08 16:30:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-08 16:30:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-08 16:30:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2019-09-08 16:30:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-09-08 16:30:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2019-09-08 16:30:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2019-09-08 16:30:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-08 16:30:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-08 16:30:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-08 16:30:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-08 16:30:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-08 16:30:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 16:30:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 16:30:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 16:30:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 16:30:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-08 16:30:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 16:30:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-08 16:30:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-08 16:30:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-08 16:30:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-08 16:30:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-08 16:30:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 16:30:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-09-08 16:30:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-08 16:30:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-08 16:30:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-09-08 16:30:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-08 16:30:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2019-09-08 16:30:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-09-08 16:30:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_find_ie [2019-09-08 16:30:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-08 16:30:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 16:30:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-09-08 16:30:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_alloc_hw [2019-09-08 16:30:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2019-09-08 16:30:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2019-09-08 16:30:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2019-09-08 16:30:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2019-09-08 16:30:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_register_hw [2019-09-08 16:30:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_rx_irqsafe [2019-09-08 16:30:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_scan_completed [2019-09-08 16:30:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2019-09-08 16:30:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2019-09-08 16:30:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2019-09-08 16:30:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2019-09-08 16:30:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-08 16:30:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2019-09-08 16:30:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_register_simple [2019-09-08 16:30:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_unregister_simple [2019-09-08 16:30:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-08 16:30:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-08 16:30:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-09-08 16:30:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-08 16:30:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-08 16:30:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-09-08 16:30:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 16:30:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-09-08 16:30:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-09-08 16:30:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2019-09-08 16:30:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-08 16:30:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-09-08 16:30:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 16:30:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-09-08 16:30:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-09-08 16:30:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-09-08 16:30:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-08 16:30:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-08 16:30:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-08 16:30:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-08 16:30:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-09-08 16:30:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-08 16:30:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-09-08 16:30:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-08 16:30:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-08 16:30:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-08 16:30:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 16:30:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 16:30:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 16:30:28,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 16:30:28,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 16:30:28,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 16:30:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 16:30:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 16:30:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 16:30:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-08 16:30:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 16:30:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-09-08 16:30:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-08 16:30:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 16:30:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 16:30:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 16:30:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 16:30:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 16:30:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-08 16:30:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-08 16:30:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-08 16:30:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-08 16:30:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-09-08 16:30:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-08 16:30:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2019-09-08 16:30:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 16:30:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-08 16:30:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-08 16:30:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-09-08 16:30:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-08 16:30:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-09-08 16:30:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2019-09-08 16:30:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 16:30:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 16:30:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 16:30:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-08 16:30:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 16:30:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-08 16:30:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-08 16:30:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-08 16:30:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-09-08 16:30:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 16:30:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-08 16:30:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2019-09-08 16:30:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-08 16:30:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-08 16:30:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-08 16:30:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-08 16:30:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-09-08 16:30:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-08 16:30:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-09-08 16:30:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 16:30:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 16:30:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-09-08 16:30:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-08 16:30:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-09-08 16:30:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-09-08 16:30:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-09-08 16:30:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2019-09-08 16:30:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-08 16:30:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-08 16:30:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 16:30:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 16:30:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 16:30:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2019-09-08 16:30:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 16:30:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 16:30:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 16:30:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 16:30:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 16:30:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 16:30:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 16:30:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 16:30:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 16:30:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 16:30:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 16:30:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 16:30:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 16:30:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-09-08 16:30:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ieee80211_ops_2 [2019-09-08 16:30:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-09-08 16:30:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-09-08 16:30:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-09-08 16:30:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-09-08 16:30:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-09-08 16:30:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-09-08 16:30:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-09-08 16:30:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-09-08 16:30:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-09-08 16:30:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-08 16:30:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-08 16:30:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-08 16:30:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-09-08 16:30:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-09-08 16:30:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-08 16:30:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-08 16:30:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2019-09-08 16:30:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-08 16:30:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2019-09-08 16:30:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-08 16:30:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 16:30:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-08 16:30:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-08 16:30:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-08 16:30:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-08 16:30:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-08 16:30:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-08 16:30:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-09-08 16:30:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-09-08 16:30:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-09-08 16:30:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-09-08 16:30:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2019-09-08 16:30:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal_64bits [2019-09-08 16:30:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-09-08 16:30:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-09-08 16:30:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_register_simple [2019-09-08 16:30:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_unregister_simple [2019-09-08 16:30:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2019-09-08 16:30:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_probe_resp [2019-09-08 16:30:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2019-09-08 16:30:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2019-09-08 16:30:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2019-09-08 16:30:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2019-09-08 16:30:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_find_ie [2019-09-08 16:30:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2019-09-08 16:30:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2019-09-08 16:30:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2019-09-08 16:30:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2019-09-08 16:30:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 16:30:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2019-09-08 16:30:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_alloc_hw [2019-09-08 16:30:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_register_hw [2019-09-08 16:30:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2019-09-08 16:30:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2019-09-08 16:30:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_rx_irqsafe [2019-09-08 16:30:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2019-09-08 16:30:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2019-09-08 16:30:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2019-09-08 16:30:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_scan_completed [2019-09-08 16:30:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2019-09-08 16:30:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2019-09-08 16:30:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_intersil [2019-09-08 16:30:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_503rfmd [2019-09-08 16:30:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_505a [2019-09-08 16:30:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_int_fw_block [2019-09-08 16:30:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_status [2019-09-08 16:30:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_state [2019-09-08 16:30:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_timeout [2019-09-08 16:30:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure at76_usbdfu_download [2019-09-08 16:30:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure at76_ledtrig_tx_timerfunc [2019-09-08 16:30:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure at76_ledtrig_tx_activity [2019-09-08 16:30:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remap [2019-09-08 16:30:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_op_mode [2019-09-08 16:30:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_ext_fw_block [2019-09-08 16:30:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg [2019-09-08 16:30:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg_intersil [2019-09-08 16:30:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_config [2019-09-08 16:30:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_reg_domain [2019-09-08 16:30:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 16:30:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_mib [2019-09-08 16:30:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status [2019-09-08 16:30:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_string [2019-09-08 16:30:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_card_command [2019-09-08 16:30:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status_string [2019-09-08 16:30:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure at76_wait_completion [2019-09-08 16:30:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_mib [2019-09-08 16:30:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_radio [2019-09-08 16:30:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_pm_mode [2019-09-08 16:30:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_preamble [2019-09-08 16:30:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_frag [2019-09-08 16:30:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_rts [2019-09-08 16:30:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_autorate_fallback [2019-09-08 16:30:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mac_addr [2019-09-08 16:30:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mac_wep [2019-09-08 16:30:28,739 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mac_mgmt [2019-09-08 16:30:28,739 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mac [2019-09-08 16:30:28,739 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_phy [2019-09-08 16:30:28,739 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_local [2019-09-08 16:30:28,739 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mdomain [2019-09-08 16:30:28,739 INFO L130 BoogieDeclarations]: Found specification of procedure at76_start_monitor [2019-09-08 16:30:28,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 16:30:28,739 INFO L130 BoogieDeclarations]: Found specification of procedure at76_calc_padding [2019-09-08 16:30:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure at76_rx_callback [2019-09-08 16:30:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure at76_submit_rx_urb [2019-09-08 16:30:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_external_fw [2019-09-08 16:30:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_internal_fw [2019-09-08 16:30:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure at76_startup_device [2019-09-08 16:30:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure at76_work_set_promisc [2019-09-08 16:30:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure at76_work_submit_rx [2019-09-08 16:30:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure at76_guess_freq [2019-09-08 16:30:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure at76_rx_tasklet [2019-09-08 16:30:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_firmware [2019-09-08 16:30:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure at76_join [2019-09-08 16:30:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure at76_work_join_bssid [2019-09-08 16:30:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx_callback [2019-09-08 16:30:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx [2019-09-08 16:30:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_start [2019-09-08 16:30:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_stop [2019-09-08 16:30:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure at76_add_interface [2019-09-08 16:30:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remove_interface [2019-09-08 16:30:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dwork_hw_scan [2019-09-08 16:30:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure at76_hw_scan [2019-09-08 16:30:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure at76_config [2019-09-08 16:30:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure at76_bss_info_changed [2019-09-08 16:30:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure at76_configure_filter [2019-09-08 16:30:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_wep [2019-09-08 16:30:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_key [2019-09-08 16:30:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure at76_alloc_new_device [2019-09-08 16:30:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure at76_alloc_urbs [2019-09-08 16:30:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure at76_init_new_device [2019-09-08 16:30:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure at76_delete_device [2019-09-08 16:30:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure at76_probe [2019-09-08 16:30:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure at76_disconnect [2019-09-08 16:30:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mod_init [2019-09-08 16:30:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mod_exit [2019-09-08 16:30:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 16:30:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 16:30:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 16:30:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-08 16:30:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-08 16:30:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-08 16:30:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-08 16:30:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-08 16:30:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 16:30:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 16:30:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 16:30:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 16:30:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-08 16:30:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-08 16:30:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-08 16:30:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-08 16:30:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 16:30:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 16:30:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-08 16:30:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 16:30:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 16:30:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 16:30:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 16:30:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 16:30:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 16:30:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 16:30:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 16:30:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 16:30:30,432 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 16:32:00,458 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 16:32:00,459 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-08 16:32:00,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:32:00 BoogieIcfgContainer [2019-09-08 16:32:00,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 16:32:00,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 16:32:00,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 16:32:00,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 16:32:00,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 04:30:24" (1/3) ... [2019-09-08 16:32:00,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b52e894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:32:00, skipping insertion in model container [2019-09-08 16:32:00,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:30:27" (2/3) ... [2019-09-08 16:32:00,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b52e894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:32:00, skipping insertion in model container [2019-09-08 16:32:00,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:32:00" (3/3) ... [2019-09-08 16:32:00,470 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2019-09-08 16:32:00,479 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 16:32:00,494 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 16:32:00,512 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 16:32:00,553 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 16:32:00,554 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 16:32:00,554 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 16:32:00,554 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 16:32:00,554 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 16:32:00,555 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 16:32:00,555 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 16:32:00,555 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 16:32:00,555 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 16:32:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states. [2019-09-08 16:32:00,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-08 16:32:00,638 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:32:00,639 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2019-09-08 16:32:00,642 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:32:00,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:32:00,647 INFO L82 PathProgramCache]: Analyzing trace with hash 44653221, now seen corresponding path program 1 times [2019-09-08 16:32:00,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:32:00,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:32:00,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:00,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:32:00,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:32:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-09-08 16:32:01,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:32:01,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:32:01,920 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:32:01,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:32:01,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:32:01,939 INFO L87 Difference]: Start difference. First operand 1863 states. Second operand 3 states. [2019-09-08 16:32:06,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:32:06,565 INFO L93 Difference]: Finished difference Result 4931 states and 6724 transitions. [2019-09-08 16:32:06,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:32:06,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2019-09-08 16:32:06,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:32:06,628 INFO L225 Difference]: With dead ends: 4931 [2019-09-08 16:32:06,628 INFO L226 Difference]: Without dead ends: 3250 [2019-09-08 16:32:06,647 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:32:06,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2019-09-08 16:32:06,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 3250. [2019-09-08 16:32:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3250 states. [2019-09-08 16:32:06,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4403 transitions. [2019-09-08 16:32:06,973 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4403 transitions. Word has length 110 [2019-09-08 16:32:06,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:32:06,974 INFO L475 AbstractCegarLoop]: Abstraction has 3250 states and 4403 transitions. [2019-09-08 16:32:06,975 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:32:06,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4403 transitions. [2019-09-08 16:32:06,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-08 16:32:06,987 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:32:06,988 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2019-09-08 16:32:06,988 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:32:06,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:32:06,989 INFO L82 PathProgramCache]: Analyzing trace with hash 375393342, now seen corresponding path program 1 times [2019-09-08 16:32:06,989 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:32:06,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:32:06,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:06,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:32:06,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:32:07,649 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2019-09-08 16:32:07,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:32:07,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:32:07,651 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:32:07,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:32:07,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:32:07,652 INFO L87 Difference]: Start difference. First operand 3250 states and 4403 transitions. Second operand 6 states. [2019-09-08 16:32:14,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:32:14,179 INFO L93 Difference]: Finished difference Result 9689 states and 13161 transitions. [2019-09-08 16:32:14,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:32:14,182 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2019-09-08 16:32:14,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:32:14,236 INFO L225 Difference]: With dead ends: 9689 [2019-09-08 16:32:14,237 INFO L226 Difference]: Without dead ends: 6437 [2019-09-08 16:32:14,255 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:32:14,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6437 states. [2019-09-08 16:32:14,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6437 to 6437. [2019-09-08 16:32:14,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6437 states. [2019-09-08 16:32:14,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6437 states to 6437 states and 8750 transitions. [2019-09-08 16:32:14,581 INFO L78 Accepts]: Start accepts. Automaton has 6437 states and 8750 transitions. Word has length 128 [2019-09-08 16:32:14,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:32:14,584 INFO L475 AbstractCegarLoop]: Abstraction has 6437 states and 8750 transitions. [2019-09-08 16:32:14,584 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:32:14,584 INFO L276 IsEmpty]: Start isEmpty. Operand 6437 states and 8750 transitions. [2019-09-08 16:32:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-09-08 16:32:14,615 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:32:14,616 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 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] [2019-09-08 16:32:14,616 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:32:14,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:32:14,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1856046159, now seen corresponding path program 1 times [2019-09-08 16:32:14,617 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:32:14,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:32:14,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:14,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:32:14,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:32:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2019-09-08 16:32:16,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:32:16,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:32:16,024 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:32:16,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:32:16,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:32:16,026 INFO L87 Difference]: Start difference. First operand 6437 states and 8750 transitions. Second operand 3 states. [2019-09-08 16:32:18,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:32:18,626 INFO L93 Difference]: Finished difference Result 15860 states and 21410 transitions. [2019-09-08 16:32:18,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:32:18,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-09-08 16:32:18,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:32:18,699 INFO L225 Difference]: With dead ends: 15860 [2019-09-08 16:32:18,699 INFO L226 Difference]: Without dead ends: 9456 [2019-09-08 16:32:18,730 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:32:18,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9456 states. [2019-09-08 16:32:19,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9456 to 9418. [2019-09-08 16:32:19,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9418 states. [2019-09-08 16:32:19,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9418 states to 9418 states and 12661 transitions. [2019-09-08 16:32:19,087 INFO L78 Accepts]: Start accepts. Automaton has 9418 states and 12661 transitions. Word has length 188 [2019-09-08 16:32:19,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:32:19,088 INFO L475 AbstractCegarLoop]: Abstraction has 9418 states and 12661 transitions. [2019-09-08 16:32:19,088 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:32:19,088 INFO L276 IsEmpty]: Start isEmpty. Operand 9418 states and 12661 transitions. [2019-09-08 16:32:19,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-09-08 16:32:19,105 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:32:19,105 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2019-09-08 16:32:19,106 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:32:19,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:32:19,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1945423282, now seen corresponding path program 1 times [2019-09-08 16:32:19,106 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:32:19,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:32:19,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:19,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:32:19,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:32:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2019-09-08 16:32:19,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:32:19,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:32:19,681 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:32:19,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:32:19,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:32:19,683 INFO L87 Difference]: Start difference. First operand 9418 states and 12661 transitions. Second operand 3 states. [2019-09-08 16:32:22,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:32:22,079 INFO L93 Difference]: Finished difference Result 22810 states and 30749 transitions. [2019-09-08 16:32:22,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:32:22,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2019-09-08 16:32:22,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:32:22,167 INFO L225 Difference]: With dead ends: 22810 [2019-09-08 16:32:22,167 INFO L226 Difference]: Without dead ends: 13438 [2019-09-08 16:32:22,206 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:32:22,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13438 states. [2019-09-08 16:32:22,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13438 to 13390. [2019-09-08 16:32:22,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13390 states. [2019-09-08 16:32:22,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13390 states to 13390 states and 18083 transitions. [2019-09-08 16:32:22,691 INFO L78 Accepts]: Start accepts. Automaton has 13390 states and 18083 transitions. Word has length 219 [2019-09-08 16:32:22,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:32:22,691 INFO L475 AbstractCegarLoop]: Abstraction has 13390 states and 18083 transitions. [2019-09-08 16:32:22,692 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:32:22,692 INFO L276 IsEmpty]: Start isEmpty. Operand 13390 states and 18083 transitions. [2019-09-08 16:32:22,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-09-08 16:32:22,723 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:32:22,724 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:32:22,724 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:32:22,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:32:22,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1141051697, now seen corresponding path program 1 times [2019-09-08 16:32:22,725 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:32:22,725 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:32:22,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:22,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:32:22,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:32:23,265 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2019-09-08 16:32:23,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:32:23,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:32:23,267 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:32:23,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:32:23,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:32:23,268 INFO L87 Difference]: Start difference. First operand 13390 states and 18083 transitions. Second operand 5 states. [2019-09-08 16:32:23,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:32:23,529 INFO L93 Difference]: Finished difference Result 26788 states and 36233 transitions. [2019-09-08 16:32:23,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:32:23,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2019-09-08 16:32:23,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:32:23,602 INFO L225 Difference]: With dead ends: 26788 [2019-09-08 16:32:23,602 INFO L226 Difference]: Without dead ends: 13444 [2019-09-08 16:32:23,652 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:32:23,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13444 states. [2019-09-08 16:32:24,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13444 to 13430. [2019-09-08 16:32:24,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13430 states. [2019-09-08 16:32:24,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13430 states to 13430 states and 18129 transitions. [2019-09-08 16:32:24,164 INFO L78 Accepts]: Start accepts. Automaton has 13430 states and 18129 transitions. Word has length 232 [2019-09-08 16:32:24,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:32:24,165 INFO L475 AbstractCegarLoop]: Abstraction has 13430 states and 18129 transitions. [2019-09-08 16:32:24,165 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:32:24,166 INFO L276 IsEmpty]: Start isEmpty. Operand 13430 states and 18129 transitions. [2019-09-08 16:32:24,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-09-08 16:32:24,191 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:32:24,191 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:32:24,192 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:32:24,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:32:24,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1711494360, now seen corresponding path program 1 times [2019-09-08 16:32:24,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:32:24,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:32:24,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:24,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:32:24,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:32:24,711 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-09-08 16:32:24,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:32:24,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:32:24,712 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:32:24,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:32:24,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:32:24,712 INFO L87 Difference]: Start difference. First operand 13430 states and 18129 transitions. Second operand 3 states. [2019-09-08 16:32:24,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:32:24,978 INFO L93 Difference]: Finished difference Result 26846 states and 36270 transitions. [2019-09-08 16:32:24,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:32:24,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2019-09-08 16:32:24,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:32:25,044 INFO L225 Difference]: With dead ends: 26846 [2019-09-08 16:32:25,044 INFO L226 Difference]: Without dead ends: 13462 [2019-09-08 16:32:25,088 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:32:25,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13462 states. [2019-09-08 16:32:25,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13462 to 13438. [2019-09-08 16:32:25,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13438 states. [2019-09-08 16:32:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13438 states to 13438 states and 18137 transitions. [2019-09-08 16:32:25,754 INFO L78 Accepts]: Start accepts. Automaton has 13438 states and 18137 transitions. Word has length 237 [2019-09-08 16:32:25,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:32:25,754 INFO L475 AbstractCegarLoop]: Abstraction has 13438 states and 18137 transitions. [2019-09-08 16:32:25,755 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:32:25,755 INFO L276 IsEmpty]: Start isEmpty. Operand 13438 states and 18137 transitions. [2019-09-08 16:32:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-09-08 16:32:25,779 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:32:25,780 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:32:25,780 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:32:25,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:32:25,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1045132906, now seen corresponding path program 1 times [2019-09-08 16:32:25,780 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:32:25,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:32:25,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:25,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:32:25,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:32:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-09-08 16:32:26,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:32:26,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:32:26,761 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:32:26,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:32:26,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:32:26,762 INFO L87 Difference]: Start difference. First operand 13438 states and 18137 transitions. Second operand 6 states. [2019-09-08 16:32:31,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:32:31,819 INFO L93 Difference]: Finished difference Result 26869 states and 36270 transitions. [2019-09-08 16:32:31,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:32:31,820 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 237 [2019-09-08 16:32:31,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:32:31,878 INFO L225 Difference]: With dead ends: 26869 [2019-09-08 16:32:31,879 INFO L226 Difference]: Without dead ends: 13463 [2019-09-08 16:32:31,914 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:32:31,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13463 states. [2019-09-08 16:32:32,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13463 to 13449. [2019-09-08 16:32:32,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13449 states. [2019-09-08 16:32:32,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13449 states to 13449 states and 18150 transitions. [2019-09-08 16:32:32,323 INFO L78 Accepts]: Start accepts. Automaton has 13449 states and 18150 transitions. Word has length 237 [2019-09-08 16:32:32,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:32:32,325 INFO L475 AbstractCegarLoop]: Abstraction has 13449 states and 18150 transitions. [2019-09-08 16:32:32,325 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:32:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 13449 states and 18150 transitions. [2019-09-08 16:32:32,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-09-08 16:32:32,362 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:32:32,362 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:32:32,363 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:32:32,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:32:32,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1720293032, now seen corresponding path program 1 times [2019-09-08 16:32:32,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:32:32,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:32:32,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:32,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:32:32,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:32:33,165 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-09-08 16:32:33,166 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:32:33,166 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:32:33,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:32:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:32:36,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 8404 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 16:32:36,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:32:36,475 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-09-08 16:32:36,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:32:36,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2019-09-08 16:32:36,538 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:32:36,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:32:36,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:32:36,539 INFO L87 Difference]: Start difference. First operand 13449 states and 18150 transitions. Second operand 6 states. [2019-09-08 16:32:45,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:32:45,066 INFO L93 Difference]: Finished difference Result 53686 states and 73121 transitions. [2019-09-08 16:32:45,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 16:32:45,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 237 [2019-09-08 16:32:45,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:32:45,348 INFO L225 Difference]: With dead ends: 53686 [2019-09-08 16:32:45,348 INFO L226 Difference]: Without dead ends: 40226 [2019-09-08 16:32:45,427 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-09-08 16:32:45,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40226 states. [2019-09-08 16:32:46,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40226 to 40166. [2019-09-08 16:32:46,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40166 states. [2019-09-08 16:32:46,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40166 states to 40166 states and 54245 transitions. [2019-09-08 16:32:46,873 INFO L78 Accepts]: Start accepts. Automaton has 40166 states and 54245 transitions. Word has length 237 [2019-09-08 16:32:46,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:32:46,875 INFO L475 AbstractCegarLoop]: Abstraction has 40166 states and 54245 transitions. [2019-09-08 16:32:46,875 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:32:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 40166 states and 54245 transitions. [2019-09-08 16:32:46,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-09-08 16:32:46,928 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:32:46,928 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:32:46,929 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:32:46,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:32:46,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1126738240, now seen corresponding path program 1 times [2019-09-08 16:32:46,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:32:46,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:32:46,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:46,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:32:46,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:32:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2019-09-08 16:32:47,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:32:47,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:32:47,424 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:32:47,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:32:47,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:32:47,424 INFO L87 Difference]: Start difference. First operand 40166 states and 54245 transitions. Second operand 5 states. [2019-09-08 16:32:51,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:32:51,972 INFO L93 Difference]: Finished difference Result 80285 states and 108433 transitions. [2019-09-08 16:32:51,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:32:51,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 239 [2019-09-08 16:32:51,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:32:52,161 INFO L225 Difference]: With dead ends: 80285 [2019-09-08 16:32:52,162 INFO L226 Difference]: Without dead ends: 40166 [2019-09-08 16:32:52,248 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:32:52,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40166 states. [2019-09-08 16:32:53,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40166 to 40150. [2019-09-08 16:32:53,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40150 states. [2019-09-08 16:32:53,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40150 states to 40150 states and 54205 transitions. [2019-09-08 16:32:53,445 INFO L78 Accepts]: Start accepts. Automaton has 40150 states and 54205 transitions. Word has length 239 [2019-09-08 16:32:53,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:32:53,446 INFO L475 AbstractCegarLoop]: Abstraction has 40150 states and 54205 transitions. [2019-09-08 16:32:53,446 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:32:53,446 INFO L276 IsEmpty]: Start isEmpty. Operand 40150 states and 54205 transitions. [2019-09-08 16:32:53,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-09-08 16:32:53,494 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:32:53,494 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 12, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 16:32:53,495 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:32:53,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:32:53,495 INFO L82 PathProgramCache]: Analyzing trace with hash 134280083, now seen corresponding path program 1 times [2019-09-08 16:32:53,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:32:53,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:32:53,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:53,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:32:53,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:32:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:32:54,121 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-09-08 16:32:54,121 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:32:54,121 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:32:54,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:32:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:32:57,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 8608 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 16:32:57,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:32:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-09-08 16:32:57,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:32:57,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-09-08 16:32:57,504 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:32:57,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:32:57,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:32:57,504 INFO L87 Difference]: Start difference. First operand 40150 states and 54205 transitions. Second operand 6 states. [2019-09-08 16:33:04,367 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-09-08 16:33:09,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:33:09,606 INFO L93 Difference]: Finished difference Result 77721 states and 104651 transitions. [2019-09-08 16:33:09,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:33:09,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 260 [2019-09-08 16:33:09,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:33:09,796 INFO L225 Difference]: With dead ends: 77721 [2019-09-08 16:33:09,796 INFO L226 Difference]: Without dead ends: 37618 [2019-09-08 16:33:09,896 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 263 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:33:09,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37618 states. [2019-09-08 16:33:11,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37618 to 37107. [2019-09-08 16:33:11,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37107 states. [2019-09-08 16:33:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37107 states to 37107 states and 49830 transitions. [2019-09-08 16:33:11,547 INFO L78 Accepts]: Start accepts. Automaton has 37107 states and 49830 transitions. Word has length 260 [2019-09-08 16:33:11,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:33:11,548 INFO L475 AbstractCegarLoop]: Abstraction has 37107 states and 49830 transitions. [2019-09-08 16:33:11,548 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:33:11,548 INFO L276 IsEmpty]: Start isEmpty. Operand 37107 states and 49830 transitions. [2019-09-08 16:33:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-09-08 16:33:11,573 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:33:11,573 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 16:33:11,574 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:33:11,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:33:11,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1118069851, now seen corresponding path program 1 times [2019-09-08 16:33:11,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:33:11,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:33:11,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:11,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:11,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:12,131 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2019-09-08 16:33:12,132 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:33:12,132 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:33:12,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:15,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 8600 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 16:33:15,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:33:15,358 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-09-08 16:33:15,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:33:15,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-09-08 16:33:15,415 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 16:33:15,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 16:33:15,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:33:15,416 INFO L87 Difference]: Start difference. First operand 37107 states and 49830 transitions. Second operand 8 states. [2019-09-08 16:33:27,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:33:27,351 INFO L93 Difference]: Finished difference Result 64986 states and 86953 transitions. [2019-09-08 16:33:27,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:33:27,351 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2019-09-08 16:33:27,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:33:27,434 INFO L225 Difference]: With dead ends: 64986 [2019-09-08 16:33:27,434 INFO L226 Difference]: Without dead ends: 23290 [2019-09-08 16:33:27,550 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:33:27,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23290 states. [2019-09-08 16:33:29,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23290 to 23269. [2019-09-08 16:33:29,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23269 states. [2019-09-08 16:33:29,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23269 states to 23269 states and 31048 transitions. [2019-09-08 16:33:29,987 INFO L78 Accepts]: Start accepts. Automaton has 23269 states and 31048 transitions. Word has length 257 [2019-09-08 16:33:29,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:33:29,988 INFO L475 AbstractCegarLoop]: Abstraction has 23269 states and 31048 transitions. [2019-09-08 16:33:29,988 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 16:33:29,988 INFO L276 IsEmpty]: Start isEmpty. Operand 23269 states and 31048 transitions. [2019-09-08 16:33:30,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-09-08 16:33:30,011 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:33:30,012 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 4, 4, 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] [2019-09-08 16:33:30,012 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:33:30,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:33:30,012 INFO L82 PathProgramCache]: Analyzing trace with hash 122974395, now seen corresponding path program 1 times [2019-09-08 16:33:30,013 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:33:30,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:33:30,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:30,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:30,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:30,524 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2019-09-08 16:33:30,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:33:30,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 16:33:30,525 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 16:33:30,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 16:33:30,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 16:33:30,527 INFO L87 Difference]: Start difference. First operand 23269 states and 31048 transitions. Second operand 4 states. [2019-09-08 16:33:37,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:33:37,025 INFO L93 Difference]: Finished difference Result 41425 states and 55633 transitions. [2019-09-08 16:33:37,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:33:37,025 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 285 [2019-09-08 16:33:37,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:33:37,079 INFO L225 Difference]: With dead ends: 41425 [2019-09-08 16:33:37,080 INFO L226 Difference]: Without dead ends: 23179 [2019-09-08 16:33:37,118 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 16:33:37,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23179 states. [2019-09-08 16:33:37,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23179 to 23179. [2019-09-08 16:33:37,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23179 states. [2019-09-08 16:33:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23179 states to 23179 states and 30748 transitions. [2019-09-08 16:33:37,697 INFO L78 Accepts]: Start accepts. Automaton has 23179 states and 30748 transitions. Word has length 285 [2019-09-08 16:33:37,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:33:37,697 INFO L475 AbstractCegarLoop]: Abstraction has 23179 states and 30748 transitions. [2019-09-08 16:33:37,697 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 16:33:37,697 INFO L276 IsEmpty]: Start isEmpty. Operand 23179 states and 30748 transitions. [2019-09-08 16:33:37,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-09-08 16:33:37,719 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:33:37,720 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 4, 4, 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] [2019-09-08 16:33:37,720 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:33:37,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:33:37,720 INFO L82 PathProgramCache]: Analyzing trace with hash -2012908807, now seen corresponding path program 1 times [2019-09-08 16:33:37,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:33:37,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:33:37,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:37,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:37,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:38,909 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2019-09-08 16:33:38,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:33:38,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:33:38,911 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:33:38,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:33:38,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:33:38,912 INFO L87 Difference]: Start difference. First operand 23179 states and 30748 transitions. Second operand 3 states. [2019-09-08 16:33:39,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:33:39,369 INFO L93 Difference]: Finished difference Result 23202 states and 30772 transitions. [2019-09-08 16:33:39,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:33:39,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 285 [2019-09-08 16:33:39,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:33:39,444 INFO L225 Difference]: With dead ends: 23202 [2019-09-08 16:33:39,444 INFO L226 Difference]: Without dead ends: 23183 [2019-09-08 16:33:39,456 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:33:39,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23183 states. [2019-09-08 16:33:40,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23183 to 23180. [2019-09-08 16:33:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23180 states. [2019-09-08 16:33:40,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23180 states to 23180 states and 30749 transitions. [2019-09-08 16:33:40,113 INFO L78 Accepts]: Start accepts. Automaton has 23180 states and 30749 transitions. Word has length 285 [2019-09-08 16:33:40,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:33:40,114 INFO L475 AbstractCegarLoop]: Abstraction has 23180 states and 30749 transitions. [2019-09-08 16:33:40,114 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:33:40,114 INFO L276 IsEmpty]: Start isEmpty. Operand 23180 states and 30749 transitions. [2019-09-08 16:33:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-09-08 16:33:40,139 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:33:40,139 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 4, 4, 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] [2019-09-08 16:33:40,139 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:33:40,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:33:40,140 INFO L82 PathProgramCache]: Analyzing trace with hash -59402609, now seen corresponding path program 1 times [2019-09-08 16:33:40,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:33:40,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:33:40,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:40,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:40,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2019-09-08 16:33:41,088 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:33:41,088 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:33:41,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:44,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 8578 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 16:33:44,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:33:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 135 proven. 1 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2019-09-08 16:33:44,322 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:33:44,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2019-09-08 16:33:44,323 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 16:33:44,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 16:33:44,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:33:44,326 INFO L87 Difference]: Start difference. First operand 23180 states and 30749 transitions. Second operand 7 states. [2019-09-08 16:33:45,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:33:45,366 INFO L93 Difference]: Finished difference Result 46361 states and 61771 transitions. [2019-09-08 16:33:45,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:33:45,366 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 292 [2019-09-08 16:33:45,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:33:45,422 INFO L225 Difference]: With dead ends: 46361 [2019-09-08 16:33:45,422 INFO L226 Difference]: Without dead ends: 23198 [2019-09-08 16:33:45,452 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:33:45,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23198 states. [2019-09-08 16:33:46,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23198 to 23195. [2019-09-08 16:33:46,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23195 states. [2019-09-08 16:33:46,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23195 states to 23195 states and 30765 transitions. [2019-09-08 16:33:46,121 INFO L78 Accepts]: Start accepts. Automaton has 23195 states and 30765 transitions. Word has length 292 [2019-09-08 16:33:46,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:33:46,122 INFO L475 AbstractCegarLoop]: Abstraction has 23195 states and 30765 transitions. [2019-09-08 16:33:46,122 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 16:33:46,122 INFO L276 IsEmpty]: Start isEmpty. Operand 23195 states and 30765 transitions. [2019-09-08 16:33:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-09-08 16:33:46,141 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:33:46,141 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 4, 4, 4, 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] [2019-09-08 16:33:46,142 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:33:46,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:33:46,142 INFO L82 PathProgramCache]: Analyzing trace with hash 39620063, now seen corresponding path program 2 times [2019-09-08 16:33:46,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:33:46,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:33:46,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:46,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:46,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:46,940 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2019-09-08 16:33:46,941 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:33:46,941 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:33:46,971 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 16:34:01,059 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 16:34:01,060 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 16:34:01,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 8609 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-08 16:34:01,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:34:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 140 proven. 3 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-09-08 16:34:01,578 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:34:01,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2019-09-08 16:34:01,579 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 16:34:01,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 16:34:01,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:34:01,580 INFO L87 Difference]: Start difference. First operand 23195 states and 30765 transitions. Second operand 9 states. [2019-09-08 16:34:02,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:34:02,241 INFO L93 Difference]: Finished difference Result 46391 states and 61803 transitions. [2019-09-08 16:34:02,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 16:34:02,241 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 301 [2019-09-08 16:34:02,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:34:02,296 INFO L225 Difference]: With dead ends: 46391 [2019-09-08 16:34:02,296 INFO L226 Difference]: Without dead ends: 23213 [2019-09-08 16:34:02,665 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-09-08 16:34:02,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23213 states. [2019-09-08 16:34:03,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23213 to 23210. [2019-09-08 16:34:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23210 states. [2019-09-08 16:34:03,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23210 states to 23210 states and 30781 transitions. [2019-09-08 16:34:03,134 INFO L78 Accepts]: Start accepts. Automaton has 23210 states and 30781 transitions. Word has length 301 [2019-09-08 16:34:03,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:34:03,134 INFO L475 AbstractCegarLoop]: Abstraction has 23210 states and 30781 transitions. [2019-09-08 16:34:03,134 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 16:34:03,135 INFO L276 IsEmpty]: Start isEmpty. Operand 23210 states and 30781 transitions. [2019-09-08 16:34:03,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-09-08 16:34:03,163 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:34:03,164 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 16:34:03,164 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:34:03,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:34:03,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1513661391, now seen corresponding path program 3 times [2019-09-08 16:34:03,165 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:34:03,165 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:34:03,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:03,169 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:34:03,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:34:09,295 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2019-09-08 16:34:09,296 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:34:09,296 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:34:09,333 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 16:35:36,280 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2019-09-08 16:35:36,280 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 16:35:37,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 8500 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 16:35:37,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:35:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 146 proven. 6 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-09-08 16:35:37,387 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:35:37,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-08 16:35:37,388 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 16:35:37,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 16:35:37,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2019-09-08 16:35:37,389 INFO L87 Difference]: Start difference. First operand 23210 states and 30781 transitions. Second operand 12 states. [2019-09-08 16:35:37,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:35:37,975 INFO L93 Difference]: Finished difference Result 46502 states and 61923 transitions. [2019-09-08 16:35:37,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 16:35:37,976 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 310 [2019-09-08 16:35:37,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:35:38,025 INFO L225 Difference]: With dead ends: 46502 [2019-09-08 16:35:38,025 INFO L226 Difference]: Without dead ends: 23309 [2019-09-08 16:35:38,058 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2019-09-08 16:35:38,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23309 states. [2019-09-08 16:35:38,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23309 to 23309. [2019-09-08 16:35:38,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23309 states. [2019-09-08 16:35:38,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23309 states to 23309 states and 30880 transitions. [2019-09-08 16:35:38,813 INFO L78 Accepts]: Start accepts. Automaton has 23309 states and 30880 transitions. Word has length 310 [2019-09-08 16:35:38,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:35:38,813 INFO L475 AbstractCegarLoop]: Abstraction has 23309 states and 30880 transitions. [2019-09-08 16:35:38,813 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 16:35:38,813 INFO L276 IsEmpty]: Start isEmpty. Operand 23309 states and 30880 transitions. [2019-09-08 16:35:38,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-09-08 16:35:38,834 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:35:38,835 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 16:35:38,835 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:35:38,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:35:38,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1248852247, now seen corresponding path program 4 times [2019-09-08 16:35:38,835 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:35:38,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:35:38,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:35:38,840 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:35:38,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:35:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:35:39,557 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2019-09-08 16:35:39,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:35:39,557 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:35:39,585 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-09-08 16:35:42,414 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-09-08 16:35:42,415 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 16:35:42,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 8652 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-08 16:35:42,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:35:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 155 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2019-09-08 16:35:42,692 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:35:42,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2019-09-08 16:35:42,693 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-08 16:35:42,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-08 16:35:42,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2019-09-08 16:35:42,693 INFO L87 Difference]: Start difference. First operand 23309 states and 30880 transitions. Second operand 14 states. [2019-09-08 16:35:43,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:35:43,367 INFO L93 Difference]: Finished difference Result 46594 states and 61992 transitions. [2019-09-08 16:35:43,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 16:35:43,367 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 312 [2019-09-08 16:35:43,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:35:43,418 INFO L225 Difference]: With dead ends: 46594 [2019-09-08 16:35:43,418 INFO L226 Difference]: Without dead ends: 23320 [2019-09-08 16:35:43,454 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=337, Unknown=0, NotChecked=0, Total=552 [2019-09-08 16:35:43,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23320 states. [2019-09-08 16:35:44,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23320 to 23320. [2019-09-08 16:35:44,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23320 states. [2019-09-08 16:35:44,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23320 states to 23320 states and 30891 transitions. [2019-09-08 16:35:44,328 INFO L78 Accepts]: Start accepts. Automaton has 23320 states and 30891 transitions. Word has length 312 [2019-09-08 16:35:44,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:35:44,328 INFO L475 AbstractCegarLoop]: Abstraction has 23320 states and 30891 transitions. [2019-09-08 16:35:44,328 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-08 16:35:44,328 INFO L276 IsEmpty]: Start isEmpty. Operand 23320 states and 30891 transitions. [2019-09-08 16:35:44,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-09-08 16:35:44,349 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:35:44,350 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 16:35:44,350 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:35:44,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:35:44,350 INFO L82 PathProgramCache]: Analyzing trace with hash 997055636, now seen corresponding path program 5 times [2019-09-08 16:35:44,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:35:44,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:35:44,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:35:44,353 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:35:44,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:35:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:35:45,055 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2019-09-08 16:35:45,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:35:45,055 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:35:45,084 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-09-08 16:35:45,536 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2019-09-08 16:35:45,536 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 16:35:45,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-08 16:35:45,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:35:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 160 proven. 15 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2019-09-08 16:35:45,663 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:35:45,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-09-08 16:35:45,664 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 16:35:45,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 16:35:45,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2019-09-08 16:35:45,665 INFO L87 Difference]: Start difference. First operand 23320 states and 30891 transitions. Second operand 16 states. [2019-09-08 16:35:46,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:35:46,433 INFO L93 Difference]: Finished difference Result 46648 states and 62057 transitions. [2019-09-08 16:35:46,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-08 16:35:46,434 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 313 [2019-09-08 16:35:46,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:35:46,484 INFO L225 Difference]: With dead ends: 46648 [2019-09-08 16:35:46,484 INFO L226 Difference]: Without dead ends: 23364 [2019-09-08 16:35:46,519 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=293, Invalid=463, Unknown=0, NotChecked=0, Total=756 [2019-09-08 16:35:46,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23364 states. [2019-09-08 16:35:46,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23364 to 23331. [2019-09-08 16:35:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23331 states. [2019-09-08 16:35:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23331 states to 23331 states and 30902 transitions. [2019-09-08 16:35:46,995 INFO L78 Accepts]: Start accepts. Automaton has 23331 states and 30902 transitions. Word has length 313 [2019-09-08 16:35:46,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:35:46,995 INFO L475 AbstractCegarLoop]: Abstraction has 23331 states and 30902 transitions. [2019-09-08 16:35:46,995 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 16:35:46,996 INFO L276 IsEmpty]: Start isEmpty. Operand 23331 states and 30902 transitions. [2019-09-08 16:35:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-09-08 16:35:47,016 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:35:47,017 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 16:35:47,017 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:35:47,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:35:47,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1900723273, now seen corresponding path program 6 times [2019-09-08 16:35:47,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:35:47,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:35:47,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:35:47,021 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:35:47,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:35:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:35:48,062 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2019-09-08 16:35:48,062 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:35:48,062 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:35:48,096 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-09-08 16:38:03,648 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2019-09-08 16:38:03,648 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 16:38:04,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 8664 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-08 16:38:04,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:38:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 165 proven. 21 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2019-09-08 16:38:04,663 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:38:04,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2019-09-08 16:38:04,664 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 16:38:04,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 16:38:04,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=184, Unknown=0, NotChecked=0, Total=306 [2019-09-08 16:38:04,665 INFO L87 Difference]: Start difference. First operand 23331 states and 30902 transitions. Second operand 18 states. [2019-09-08 16:38:05,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:38:05,427 INFO L93 Difference]: Finished difference Result 46782 states and 62182 transitions. [2019-09-08 16:38:05,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-09-08 16:38:05,428 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 314 [2019-09-08 16:38:05,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:38:05,504 INFO L225 Difference]: With dead ends: 46782 [2019-09-08 16:38:05,504 INFO L226 Difference]: Without dead ends: 23508 [2019-09-08 16:38:05,543 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=383, Invalid=609, Unknown=0, NotChecked=0, Total=992 [2019-09-08 16:38:05,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23508 states. [2019-09-08 16:38:06,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23508 to 23442. [2019-09-08 16:38:06,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23442 states. [2019-09-08 16:38:06,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23442 states to 23442 states and 31023 transitions. [2019-09-08 16:38:06,120 INFO L78 Accepts]: Start accepts. Automaton has 23442 states and 31023 transitions. Word has length 314 [2019-09-08 16:38:06,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:38:06,120 INFO L475 AbstractCegarLoop]: Abstraction has 23442 states and 31023 transitions. [2019-09-08 16:38:06,120 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 16:38:06,120 INFO L276 IsEmpty]: Start isEmpty. Operand 23442 states and 31023 transitions. [2019-09-08 16:38:06,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-09-08 16:38:06,152 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:38:06,152 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 16:38:06,152 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:38:06,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:38:06,153 INFO L82 PathProgramCache]: Analyzing trace with hash -150351052, now seen corresponding path program 7 times [2019-09-08 16:38:06,153 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:38:06,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:38:06,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:06,157 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:38:06,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:38:06,951 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 42 proven. 28 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2019-09-08 16:38:06,951 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:38:06,951 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:38:06,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:38:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:38:10,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 8670 conjuncts, 10 conjunts are in the unsatisfiable core [2019-09-08 16:38:10,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:38:10,406 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 170 proven. 28 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2019-09-08 16:38:10,454 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:38:10,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2019-09-08 16:38:10,455 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-08 16:38:10,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-08 16:38:10,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=229, Unknown=0, NotChecked=0, Total=380 [2019-09-08 16:38:10,456 INFO L87 Difference]: Start difference. First operand 23442 states and 31023 transitions. Second operand 20 states. [2019-09-08 16:38:11,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:38:11,276 INFO L93 Difference]: Finished difference Result 46986 states and 62437 transitions. [2019-09-08 16:38:11,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-09-08 16:38:11,277 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 315 [2019-09-08 16:38:11,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:38:11,336 INFO L225 Difference]: With dead ends: 46986 [2019-09-08 16:38:11,337 INFO L226 Difference]: Without dead ends: 23582 [2019-09-08 16:38:11,374 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=485, Invalid=775, Unknown=0, NotChecked=0, Total=1260 [2019-09-08 16:38:11,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23582 states. [2019-09-08 16:38:11,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23582 to 23453. [2019-09-08 16:38:11,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23453 states. [2019-09-08 16:38:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23453 states to 23453 states and 31034 transitions. [2019-09-08 16:38:11,916 INFO L78 Accepts]: Start accepts. Automaton has 23453 states and 31034 transitions. Word has length 315 [2019-09-08 16:38:11,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:38:11,916 INFO L475 AbstractCegarLoop]: Abstraction has 23453 states and 31034 transitions. [2019-09-08 16:38:11,916 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-08 16:38:11,916 INFO L276 IsEmpty]: Start isEmpty. Operand 23453 states and 31034 transitions. [2019-09-08 16:38:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-09-08 16:38:11,938 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:38:11,938 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 16:38:11,939 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:38:11,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:38:11,939 INFO L82 PathProgramCache]: Analyzing trace with hash 690854313, now seen corresponding path program 8 times [2019-09-08 16:38:11,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:38:11,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:38:11,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:11,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:38:11,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:38:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2019-09-08 16:38:12,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:38:12,704 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:38:12,734 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 16:38:39,027 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 16:38:39,028 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 16:38:40,032 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:38:40,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-09-08 16:38:40,033 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:38:40,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:38:40,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:38:40,034 INFO L87 Difference]: Start difference. First operand 23453 states and 31034 transitions. Second operand 6 states. [2019-09-08 16:38:40,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:38:40,370 INFO L93 Difference]: Finished difference Result 23479 states and 31062 transitions. [2019-09-08 16:38:40,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:38:40,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 316 [2019-09-08 16:38:40,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:38:40,445 INFO L225 Difference]: With dead ends: 23479 [2019-09-08 16:38:40,445 INFO L226 Difference]: Without dead ends: 23460 [2019-09-08 16:38:40,458 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:38:40,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23460 states. [2019-09-08 16:38:41,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23460 to 23457. [2019-09-08 16:38:41,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23457 states. [2019-09-08 16:38:41,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23457 states to 23457 states and 31039 transitions. [2019-09-08 16:38:41,203 INFO L78 Accepts]: Start accepts. Automaton has 23457 states and 31039 transitions. Word has length 316 [2019-09-08 16:38:41,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:38:41,203 INFO L475 AbstractCegarLoop]: Abstraction has 23457 states and 31039 transitions. [2019-09-08 16:38:41,203 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:38:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 23457 states and 31039 transitions. [2019-09-08 16:38:41,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2019-09-08 16:38:41,226 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:38:41,226 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-09-08 16:38:41,226 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:38:41,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:38:41,227 INFO L82 PathProgramCache]: Analyzing trace with hash 365267423, now seen corresponding path program 9 times [2019-09-08 16:38:41,227 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:38:41,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:38:41,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:41,230 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:38:41,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:38:41,975 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2019-09-08 16:38:41,976 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:38:41,976 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:38:42,009 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 16:41:09,590 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2019-09-08 16:41:09,590 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 16:41:10,729 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:41:10,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-09-08 16:41:10,730 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 16:41:10,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 16:41:10,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:41:10,731 INFO L87 Difference]: Start difference. First operand 23457 states and 31039 transitions. Second operand 7 states. [2019-09-08 16:41:11,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:41:11,308 INFO L93 Difference]: Finished difference Result 23483 states and 31067 transitions. [2019-09-08 16:41:11,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:41:11,311 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 323 [2019-09-08 16:41:11,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:41:11,353 INFO L225 Difference]: With dead ends: 23483 [2019-09-08 16:41:11,353 INFO L226 Difference]: Without dead ends: 23464 [2019-09-08 16:41:11,359 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:41:11,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23464 states. [2019-09-08 16:41:11,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23464 to 23461. [2019-09-08 16:41:11,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23461 states. [2019-09-08 16:41:11,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23461 states to 23461 states and 31044 transitions. [2019-09-08 16:41:11,815 INFO L78 Accepts]: Start accepts. Automaton has 23461 states and 31044 transitions. Word has length 323 [2019-09-08 16:41:11,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:41:11,815 INFO L475 AbstractCegarLoop]: Abstraction has 23461 states and 31044 transitions. [2019-09-08 16:41:11,815 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 16:41:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 23461 states and 31044 transitions. [2019-09-08 16:41:11,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-09-08 16:41:11,838 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:41:11,838 INFO L399 BasicCegarLoop]: trace histogram [12, 10, 10, 10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 16:41:11,838 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:41:11,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:41:11,839 INFO L82 PathProgramCache]: Analyzing trace with hash -476793767, now seen corresponding path program 1 times [2019-09-08 16:41:11,839 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:41:11,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:41:11,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:41:11,843 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:41:11,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:41:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:41:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-09-08 16:41:12,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:41:12,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:41:12,205 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:41:12,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:41:12,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:41:12,206 INFO L87 Difference]: Start difference. First operand 23461 states and 31044 transitions. Second operand 3 states. [2019-09-08 16:41:16,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:41:16,751 INFO L93 Difference]: Finished difference Result 41931 states and 55607 transitions. [2019-09-08 16:41:16,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:41:16,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2019-09-08 16:41:16,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:41:16,813 INFO L225 Difference]: With dead ends: 41931 [2019-09-08 16:41:16,813 INFO L226 Difference]: Without dead ends: 18574 [2019-09-08 16:41:16,852 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:41:16,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18574 states. [2019-09-08 16:41:17,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18574 to 18574. [2019-09-08 16:41:17,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18574 states. [2019-09-08 16:41:17,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18574 states to 18574 states and 24687 transitions. [2019-09-08 16:41:17,222 INFO L78 Accepts]: Start accepts. Automaton has 18574 states and 24687 transitions. Word has length 325 [2019-09-08 16:41:17,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:41:17,222 INFO L475 AbstractCegarLoop]: Abstraction has 18574 states and 24687 transitions. [2019-09-08 16:41:17,222 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:41:17,223 INFO L276 IsEmpty]: Start isEmpty. Operand 18574 states and 24687 transitions. [2019-09-08 16:41:17,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2019-09-08 16:41:17,252 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:41:17,252 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2019-09-08 16:41:17,253 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:41:17,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:41:17,253 INFO L82 PathProgramCache]: Analyzing trace with hash 618598633, now seen corresponding path program 10 times [2019-09-08 16:41:17,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:41:17,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:41:17,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:41:17,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:41:17,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:41:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:41:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2019-09-08 16:41:17,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:41:17,823 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:41:17,851 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-09-08 16:41:31,826 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-09-08 16:41:31,827 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 16:41:32,577 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:41:32,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-09-08 16:41:32,578 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 16:41:32,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 16:41:32,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:41:32,579 INFO L87 Difference]: Start difference. First operand 18574 states and 24687 transitions. Second operand 8 states. [2019-09-08 16:41:32,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:41:32,927 INFO L93 Difference]: Finished difference Result 18600 states and 24715 transitions. [2019-09-08 16:41:32,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 16:41:32,928 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 330 [2019-09-08 16:41:32,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:41:32,967 INFO L225 Difference]: With dead ends: 18600 [2019-09-08 16:41:32,967 INFO L226 Difference]: Without dead ends: 18581 [2019-09-08 16:41:32,974 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:41:32,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18581 states. [2019-09-08 16:41:33,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18581 to 18578. [2019-09-08 16:41:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18578 states. [2019-09-08 16:41:33,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18578 states to 18578 states and 24692 transitions. [2019-09-08 16:41:33,339 INFO L78 Accepts]: Start accepts. Automaton has 18578 states and 24692 transitions. Word has length 330 [2019-09-08 16:41:33,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:41:33,339 INFO L475 AbstractCegarLoop]: Abstraction has 18578 states and 24692 transitions. [2019-09-08 16:41:33,339 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 16:41:33,339 INFO L276 IsEmpty]: Start isEmpty. Operand 18578 states and 24692 transitions. [2019-09-08 16:41:33,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2019-09-08 16:41:33,361 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:41:33,362 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2019-09-08 16:41:33,362 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:41:33,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:41:33,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1696295583, now seen corresponding path program 11 times [2019-09-08 16:41:33,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:41:33,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:41:33,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:41:33,365 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:41:33,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:41:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:41:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2019-09-08 16:41:34,035 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:41:34,035 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:41:34,067 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-09-08 16:41:53,121 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2019-09-08 16:41:53,122 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 16:41:53,813 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:41:53,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-09-08 16:41:53,814 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 16:41:53,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 16:41:53,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:41:53,814 INFO L87 Difference]: Start difference. First operand 18578 states and 24692 transitions. Second operand 9 states. [2019-09-08 16:41:54,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:41:54,214 INFO L93 Difference]: Finished difference Result 18604 states and 24720 transitions. [2019-09-08 16:41:54,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 16:41:54,215 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 337 [2019-09-08 16:41:54,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:41:54,254 INFO L225 Difference]: With dead ends: 18604 [2019-09-08 16:41:54,254 INFO L226 Difference]: Without dead ends: 18585 [2019-09-08 16:41:54,261 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:41:54,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18585 states. [2019-09-08 16:41:54,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18585 to 18582. [2019-09-08 16:41:54,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18582 states. [2019-09-08 16:41:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18582 states to 18582 states and 24697 transitions. [2019-09-08 16:41:54,792 INFO L78 Accepts]: Start accepts. Automaton has 18582 states and 24697 transitions. Word has length 337 [2019-09-08 16:41:54,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:41:54,792 INFO L475 AbstractCegarLoop]: Abstraction has 18582 states and 24697 transitions. [2019-09-08 16:41:54,792 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 16:41:54,792 INFO L276 IsEmpty]: Start isEmpty. Operand 18582 states and 24697 transitions. [2019-09-08 16:41:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-09-08 16:41:54,814 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:41:54,814 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 7, 7, 7, 7, 7, 7, 7, 4, 4, 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] [2019-09-08 16:41:54,815 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:41:54,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:41:54,815 INFO L82 PathProgramCache]: Analyzing trace with hash -871442391, now seen corresponding path program 12 times [2019-09-08 16:41:54,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:41:54,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:41:54,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:41:54,818 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:41:54,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:41:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:41:55,360 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2019-09-08 16:41:55,360 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:41:55,360 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:41:55,387 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE