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 0.1.24-673a906-m [2019-10-02 07:07:56,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 07:07:56,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 07:07:56,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 07:07:56,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 07:07:56,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 07:07:56,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 07:07:56,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 07:07:56,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 07:07:56,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 07:07:56,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 07:07:56,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 07:07:56,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 07:07:56,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 07:07:56,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 07:07:56,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 07:07:56,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 07:07:56,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 07:07:56,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 07:07:56,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 07:07:56,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 07:07:56,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 07:07:56,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 07:07:56,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 07:07:56,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 07:07:56,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 07:07:56,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 07:07:56,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 07:07:56,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 07:07:56,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 07:07:56,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 07:07:56,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 07:07:56,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 07:07:56,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 07:07:56,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 07:07:56,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 07:07:56,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 07:07:56,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 07:07:56,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 07:07:56,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 07:07:56,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 07:07:56,815 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 [2019-10-02 07:07:56,832 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 07:07:56,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 07:07:56,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 07:07:56,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 07:07:56,835 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 07:07:56,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 07:07:56,835 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 07:07:56,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 07:07:56,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 07:07:56,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 07:07:56,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 07:07:56,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 07:07:56,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 07:07:56,837 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 07:07:56,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 07:07:56,837 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 07:07:56,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 07:07:56,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 07:07:56,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 07:07:56,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 07:07:56,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 07:07:56,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 07:07:56,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 07:07:56,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 07:07:56,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 07:07:56,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 07:07:56,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 07:07:56,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 07:07:56,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 07:07:56,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 07:07:56,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 07:07:56,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 07:07:56,918 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 07:07:56,919 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 07:07:56,920 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2019-10-02 07:07:57,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/649f345ed/0b2bcb58cbe640e48609fadeeea7fe5a/FLAG52774fe90 [2019-10-02 07:07:58,021 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 07:07:58,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2019-10-02 07:07:58,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/649f345ed/0b2bcb58cbe640e48609fadeeea7fe5a/FLAG52774fe90 [2019-10-02 07:07:58,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/649f345ed/0b2bcb58cbe640e48609fadeeea7fe5a [2019-10-02 07:07:58,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 07:07:58,334 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 07:07:58,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 07:07:58,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 07:07:58,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 07:07:58,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 07:07:58" (1/1) ... [2019-10-02 07:07:58,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2433d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:07:58, skipping insertion in model container [2019-10-02 07:07:58,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 07:07:58" (1/1) ... [2019-10-02 07:07:58,353 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 07:07:58,533 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 07:08:01,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 07:08:01,530 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 07:08:02,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 07:08:02,389 INFO L192 MainTranslator]: Completed translation [2019-10-02 07:08:02,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:08:02 WrapperNode [2019-10-02 07:08:02,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 07:08:02,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 07:08:02,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 07:08:02,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 07:08:02,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:08:02" (1/1) ... [2019-10-02 07:08:02,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:08:02" (1/1) ... [2019-10-02 07:08:02,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:08:02" (1/1) ... [2019-10-02 07:08:02,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:08:02" (1/1) ... [2019-10-02 07:08:02,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:08:02" (1/1) ... [2019-10-02 07:08:02,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:08:02" (1/1) ... [2019-10-02 07:08:02,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:08:02" (1/1) ... [2019-10-02 07:08:02,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 07:08:02,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 07:08:02,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 07:08:02,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 07:08:02,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:08:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 07:08:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 07:08:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 07:08:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-02 07:08:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-02 07:08:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2019-10-02 07:08:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 07:08:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-02 07:08:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 07:08:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-02 07:08:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 07:08:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 07:08:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-02 07:08:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-10-02 07:08:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-10-02 07:08:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 07:08:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 07:08:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 07:08:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 07:08:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 07:08:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 07:08:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 07:08:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 07:08:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 07:08:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-02 07:08:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-02 07:08:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-02 07:08:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-02 07:08:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-10-02 07:08:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-10-02 07:08:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-02 07:08:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-02 07:08:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-02 07:08:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-02 07:08:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-02 07:08:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-02 07:08:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-10-02 07:08:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-10-02 07:08:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2019-10-02 07:08:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal_64bits [2019-10-02 07:08:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_probe_resp [2019-10-02 07:08:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2019-10-02 07:08:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2019-10-02 07:08:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2019-10-02 07:08:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2019-10-02 07:08:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2019-10-02 07:08:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2019-10-02 07:08:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2019-10-02 07:08:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2019-10-02 07:08:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_intersil [2019-10-02 07:08:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_503rfmd [2019-10-02 07:08:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_505a [2019-10-02 07:08:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_int_fw_block [2019-10-02 07:08:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_status [2019-10-02 07:08:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_state [2019-10-02 07:08:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_timeout [2019-10-02 07:08:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_usbdfu_download [2019-10-02 07:08:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_ledtrig_tx_timerfunc [2019-10-02 07:08:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_ledtrig_tx_activity [2019-10-02 07:08:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remap [2019-10-02 07:08:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_op_mode [2019-10-02 07:08:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_ext_fw_block [2019-10-02 07:08:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg [2019-10-02 07:08:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg_intersil [2019-10-02 07:08:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_config [2019-10-02 07:08:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_reg_domain [2019-10-02 07:08:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_mib [2019-10-02 07:08:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status [2019-10-02 07:08:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_string [2019-10-02 07:08:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_card_command [2019-10-02 07:08:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status_string [2019-10-02 07:08:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_wait_completion [2019-10-02 07:08:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_mib [2019-10-02 07:08:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_radio [2019-10-02 07:08:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_pm_mode [2019-10-02 07:08:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_preamble [2019-10-02 07:08:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_frag [2019-10-02 07:08:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_rts [2019-10-02 07:08:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_autorate_fallback [2019-10-02 07:08:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mac_addr [2019-10-02 07:08:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mac_wep [2019-10-02 07:08:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mac_mgmt [2019-10-02 07:08:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mac [2019-10-02 07:08:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_phy [2019-10-02 07:08:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_local [2019-10-02 07:08:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mdomain [2019-10-02 07:08:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_start_monitor [2019-10-02 07:08:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_calc_padding [2019-10-02 07:08:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_rx_callback [2019-10-02 07:08:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_submit_rx_urb [2019-10-02 07:08:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_external_fw [2019-10-02 07:08:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_internal_fw [2019-10-02 07:08:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_startup_device [2019-10-02 07:08:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_work_set_promisc [2019-10-02 07:08:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_work_submit_rx [2019-10-02 07:08:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_guess_freq [2019-10-02 07:08:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_rx_tasklet [2019-10-02 07:08:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_firmware [2019-10-02 07:08:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_join [2019-10-02 07:08:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_work_join_bssid [2019-10-02 07:08:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx_callback [2019-10-02 07:08:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx [2019-10-02 07:08:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_start [2019-10-02 07:08:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_stop [2019-10-02 07:08:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_add_interface [2019-10-02 07:08:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remove_interface [2019-10-02 07:08:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dwork_hw_scan [2019-10-02 07:08:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_hw_scan [2019-10-02 07:08:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_config [2019-10-02 07:08:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_bss_info_changed [2019-10-02 07:08:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_configure_filter [2019-10-02 07:08:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_wep [2019-10-02 07:08:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_key [2019-10-02 07:08:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_alloc_new_device [2019-10-02 07:08:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_alloc_urbs [2019-10-02 07:08:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_init_new_device [2019-10-02 07:08:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_delete_device [2019-10-02 07:08:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_probe [2019-10-02 07:08:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_disconnect [2019-10-02 07:08:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mod_init [2019-10-02 07:08:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mod_exit [2019-10-02 07:08:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-02 07:08:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ieee80211_ops_2 [2019-10-02 07:08:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 07:08:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-02 07:08:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-02 07:08:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-02 07:08:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-02 07:08:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-02 07:08:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2019-10-02 07:08:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-10-02 07:08:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2019-10-02 07:08:03,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2019-10-02 07:08:03,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-02 07:08:03,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-02 07:08:03,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-02 07:08:03,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-02 07:08:03,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-02 07:08:03,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 07:08:03,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 07:08:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 07:08:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 07:08:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-02 07:08:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 07:08:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-02 07:08:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-02 07:08:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-02 07:08:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-02 07:08:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-02 07:08:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 07:08:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-02 07:08:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-02 07:08:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-02 07:08:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-10-02 07:08:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-02 07:08:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2019-10-02 07:08:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-02 07:08:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_find_ie [2019-10-02 07:08:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-02 07:08:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 07:08:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-02 07:08:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_alloc_hw [2019-10-02 07:08:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2019-10-02 07:08:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2019-10-02 07:08:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2019-10-02 07:08:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2019-10-02 07:08:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_register_hw [2019-10-02 07:08:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_rx_irqsafe [2019-10-02 07:08:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_scan_completed [2019-10-02 07:08:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2019-10-02 07:08:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2019-10-02 07:08:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2019-10-02 07:08:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2019-10-02 07:08:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-02 07:08:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2019-10-02 07:08:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_register_simple [2019-10-02 07:08:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_unregister_simple [2019-10-02 07:08:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-02 07:08:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-02 07:08:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-02 07:08:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-02 07:08:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 07:08:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-10-02 07:08:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 07:08:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-02 07:08:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-02 07:08:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2019-10-02 07:08:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-02 07:08:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-02 07:08:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-02 07:08:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-02 07:08:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-10-02 07:08:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-10-02 07:08:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-02 07:08:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-02 07:08:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-02 07:08:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-02 07:08:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-10-02 07:08:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-02 07:08:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-10-02 07:08:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-02 07:08:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-10-02 07:08:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-02 07:08:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 07:08:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 07:08:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 07:08:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 07:08:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 07:08:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 07:08:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 07:08:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 07:08:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 07:08:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-02 07:08:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 07:08:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-10-02 07:08:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-02 07:08:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-02 07:08:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 07:08:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 07:08:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 07:08:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 07:08:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-02 07:08:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-02 07:08:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-02 07:08:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 07:08:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-02 07:08:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-02 07:08:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2019-10-02 07:08:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 07:08:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-02 07:08:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-02 07:08:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-02 07:08:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-02 07:08:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-02 07:08:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2019-10-02 07:08:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 07:08:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 07:08:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 07:08:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-02 07:08:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 07:08:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-02 07:08:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 07:08:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 07:08:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-02 07:08:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 07:08:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-02 07:08:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2019-10-02 07:08:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-02 07:08:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-02 07:08:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-02 07:08:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-02 07:08:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-10-02 07:08:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-02 07:08:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-02 07:08:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 07:08:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-02 07:08:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-02 07:08:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-02 07:08:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-10-02 07:08:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-10-02 07:08:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-02 07:08:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2019-10-02 07:08:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-02 07:08:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-02 07:08:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 07:08:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 07:08:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 07:08:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2019-10-02 07:08:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 07:08:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 07:08:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 07:08:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 07:08:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 07:08:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 07:08:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 07:08:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 07:08:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 07:08:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 07:08:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 07:08:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 07:08:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 07:08:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-02 07:08:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ieee80211_ops_2 [2019-10-02 07:08:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-02 07:08:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-02 07:08:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-02 07:08:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-02 07:08:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-10-02 07:08:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-10-02 07:08:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-10-02 07:08:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-10-02 07:08:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-10-02 07:08:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-02 07:08:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-02 07:08:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-02 07:08:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-10-02 07:08:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-10-02 07:08:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-10-02 07:08:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-02 07:08:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2019-10-02 07:08:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-02 07:08:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2019-10-02 07:08:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-02 07:08:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 07:08:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-02 07:08:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-02 07:08:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-02 07:08:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-02 07:08:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-02 07:08:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-02 07:08:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-02 07:08:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-02 07:08:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-10-02 07:08:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-10-02 07:08:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2019-10-02 07:08:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal_64bits [2019-10-02 07:08:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-02 07:08:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-02 07:08:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_register_simple [2019-10-02 07:08:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_unregister_simple [2019-10-02 07:08:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2019-10-02 07:08:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_probe_resp [2019-10-02 07:08:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2019-10-02 07:08:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2019-10-02 07:08:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2019-10-02 07:08:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2019-10-02 07:08:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_find_ie [2019-10-02 07:08:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2019-10-02 07:08:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2019-10-02 07:08:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2019-10-02 07:08:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2019-10-02 07:08:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 07:08:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2019-10-02 07:08:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_alloc_hw [2019-10-02 07:08:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_register_hw [2019-10-02 07:08:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2019-10-02 07:08:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2019-10-02 07:08:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_rx_irqsafe [2019-10-02 07:08:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2019-10-02 07:08:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2019-10-02 07:08:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2019-10-02 07:08:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_scan_completed [2019-10-02 07:08:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2019-10-02 07:08:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2019-10-02 07:08:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_intersil [2019-10-02 07:08:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_503rfmd [2019-10-02 07:08:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_505a [2019-10-02 07:08:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_int_fw_block [2019-10-02 07:08:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_status [2019-10-02 07:08:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_state [2019-10-02 07:08:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_timeout [2019-10-02 07:08:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure at76_usbdfu_download [2019-10-02 07:08:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure at76_ledtrig_tx_timerfunc [2019-10-02 07:08:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure at76_ledtrig_tx_activity [2019-10-02 07:08:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remap [2019-10-02 07:08:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_op_mode [2019-10-02 07:08:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_ext_fw_block [2019-10-02 07:08:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg [2019-10-02 07:08:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg_intersil [2019-10-02 07:08:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_config [2019-10-02 07:08:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_reg_domain [2019-10-02 07:08:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 07:08:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_mib [2019-10-02 07:08:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status [2019-10-02 07:08:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_string [2019-10-02 07:08:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_card_command [2019-10-02 07:08:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status_string [2019-10-02 07:08:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure at76_wait_completion [2019-10-02 07:08:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_mib [2019-10-02 07:08:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_radio [2019-10-02 07:08:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_pm_mode [2019-10-02 07:08:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_preamble [2019-10-02 07:08:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_frag [2019-10-02 07:08:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_rts [2019-10-02 07:08:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_autorate_fallback [2019-10-02 07:08:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mac_addr [2019-10-02 07:08:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mac_wep [2019-10-02 07:08:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mac_mgmt [2019-10-02 07:08:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mac [2019-10-02 07:08:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_phy [2019-10-02 07:08:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_local [2019-10-02 07:08:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mdomain [2019-10-02 07:08:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure at76_start_monitor [2019-10-02 07:08:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 07:08:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure at76_calc_padding [2019-10-02 07:08:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure at76_rx_callback [2019-10-02 07:08:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure at76_submit_rx_urb [2019-10-02 07:08:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_external_fw [2019-10-02 07:08:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_internal_fw [2019-10-02 07:08:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure at76_startup_device [2019-10-02 07:08:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure at76_work_set_promisc [2019-10-02 07:08:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure at76_work_submit_rx [2019-10-02 07:08:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure at76_guess_freq [2019-10-02 07:08:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure at76_rx_tasklet [2019-10-02 07:08:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_firmware [2019-10-02 07:08:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure at76_join [2019-10-02 07:08:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure at76_work_join_bssid [2019-10-02 07:08:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx_callback [2019-10-02 07:08:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx [2019-10-02 07:08:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_start [2019-10-02 07:08:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_stop [2019-10-02 07:08:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure at76_add_interface [2019-10-02 07:08:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remove_interface [2019-10-02 07:08:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dwork_hw_scan [2019-10-02 07:08:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure at76_hw_scan [2019-10-02 07:08:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure at76_config [2019-10-02 07:08:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure at76_bss_info_changed [2019-10-02 07:08:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure at76_configure_filter [2019-10-02 07:08:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_wep [2019-10-02 07:08:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_key [2019-10-02 07:08:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure at76_alloc_new_device [2019-10-02 07:08:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure at76_alloc_urbs [2019-10-02 07:08:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure at76_init_new_device [2019-10-02 07:08:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure at76_delete_device [2019-10-02 07:08:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure at76_probe [2019-10-02 07:08:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure at76_disconnect [2019-10-02 07:08:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mod_init [2019-10-02 07:08:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mod_exit [2019-10-02 07:08:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 07:08:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 07:08:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 07:08:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-02 07:08:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-02 07:08:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-02 07:08:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-02 07:08:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-02 07:08:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 07:08:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 07:08:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 07:08:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 07:08:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-02 07:08:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-02 07:08:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-02 07:08:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-02 07:08:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-02 07:08:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 07:08:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-02 07:08:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 07:08:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 07:08:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 07:08:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 07:08:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 07:08:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 07:08:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 07:08:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 07:08:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 07:08:05,448 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 07:09:42,095 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 07:09:42,095 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-02 07:09:42,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 07:09:42 BoogieIcfgContainer [2019-10-02 07:09:42,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 07:09:42,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 07:09:42,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 07:09:42,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 07:09:42,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 07:07:58" (1/3) ... [2019-10-02 07:09:42,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27cb5f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 07:09:42, skipping insertion in model container [2019-10-02 07:09:42,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:08:02" (2/3) ... [2019-10-02 07:09:42,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27cb5f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 07:09:42, skipping insertion in model container [2019-10-02 07:09:42,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 07:09:42" (3/3) ... [2019-10-02 07:09:42,106 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 [2019-10-02 07:09:42,115 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 07:09:42,125 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 07:09:42,142 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 07:09:42,191 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 07:09:42,191 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 07:09:42,192 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 07:09:42,192 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 07:09:42,192 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 07:09:42,192 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 07:09:42,192 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 07:09:42,192 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 07:09:42,192 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 07:09:42,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states. [2019-10-02 07:09:42,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-02 07:09:42,274 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:09:42,275 INFO L411 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] [2019-10-02 07:09:42,278 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:09:42,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:09:42,283 INFO L82 PathProgramCache]: Analyzing trace with hash 44653221, now seen corresponding path program 1 times [2019-10-02 07:09:42,287 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:09:42,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:09:42,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:09:42,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:09:42,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:09:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:09:43,489 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-10-02 07:09:43,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:09:43,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:09:43,495 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:09:43,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:09:43,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:09:43,512 INFO L87 Difference]: Start difference. First operand 1863 states. Second operand 3 states. [2019-10-02 07:09:48,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:09:48,139 INFO L93 Difference]: Finished difference Result 4931 states and 6724 transitions. [2019-10-02 07:09:48,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:09:48,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2019-10-02 07:09:48,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:09:48,178 INFO L225 Difference]: With dead ends: 4931 [2019-10-02 07:09:48,179 INFO L226 Difference]: Without dead ends: 3250 [2019-10-02 07:09:48,192 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:09:48,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2019-10-02 07:09:48,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 3250. [2019-10-02 07:09:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3250 states. [2019-10-02 07:09:48,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4403 transitions. [2019-10-02 07:09:48,468 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4403 transitions. Word has length 110 [2019-10-02 07:09:48,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:09:48,469 INFO L475 AbstractCegarLoop]: Abstraction has 3250 states and 4403 transitions. [2019-10-02 07:09:48,469 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:09:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4403 transitions. [2019-10-02 07:09:48,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-02 07:09:48,482 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:09:48,482 INFO L411 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] [2019-10-02 07:09:48,483 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:09:48,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:09:48,483 INFO L82 PathProgramCache]: Analyzing trace with hash 375393342, now seen corresponding path program 1 times [2019-10-02 07:09:48,483 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:09:48,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:09:48,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:09:48,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:09:48,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:09:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:09:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2019-10-02 07:09:49,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:09:49,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 07:09:49,222 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:09:49,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:09:49,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:09:49,223 INFO L87 Difference]: Start difference. First operand 3250 states and 4403 transitions. Second operand 6 states. [2019-10-02 07:09:56,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:09:56,743 INFO L93 Difference]: Finished difference Result 9689 states and 13161 transitions. [2019-10-02 07:09:56,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 07:09:56,746 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2019-10-02 07:09:56,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:09:56,805 INFO L225 Difference]: With dead ends: 9689 [2019-10-02 07:09:56,805 INFO L226 Difference]: Without dead ends: 6437 [2019-10-02 07:09:56,825 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-02 07:09:56,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6437 states. [2019-10-02 07:09:57,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6437 to 6437. [2019-10-02 07:09:57,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6437 states. [2019-10-02 07:09:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6437 states to 6437 states and 8750 transitions. [2019-10-02 07:09:57,153 INFO L78 Accepts]: Start accepts. Automaton has 6437 states and 8750 transitions. Word has length 128 [2019-10-02 07:09:57,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:09:57,155 INFO L475 AbstractCegarLoop]: Abstraction has 6437 states and 8750 transitions. [2019-10-02 07:09:57,155 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:09:57,155 INFO L276 IsEmpty]: Start isEmpty. Operand 6437 states and 8750 transitions. [2019-10-02 07:09:57,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-02 07:09:57,185 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:09:57,186 INFO L411 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] [2019-10-02 07:09:57,186 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:09:57,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:09:57,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1856046159, now seen corresponding path program 1 times [2019-10-02 07:09:57,187 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:09:57,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:09:57,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:09:57,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:09:57,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:09:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:09:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2019-10-02 07:09:57,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:09:57,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:09:57,931 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:09:57,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:09:57,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:09:57,933 INFO L87 Difference]: Start difference. First operand 6437 states and 8750 transitions. Second operand 3 states. [2019-10-02 07:10:00,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:10:00,433 INFO L93 Difference]: Finished difference Result 15860 states and 21410 transitions. [2019-10-02 07:10:00,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:10:00,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-10-02 07:10:00,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:10:00,492 INFO L225 Difference]: With dead ends: 15860 [2019-10-02 07:10:00,493 INFO L226 Difference]: Without dead ends: 9456 [2019-10-02 07:10:00,519 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:10:00,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9456 states. [2019-10-02 07:10:00,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9456 to 9418. [2019-10-02 07:10:00,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9418 states. [2019-10-02 07:10:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9418 states to 9418 states and 12661 transitions. [2019-10-02 07:10:00,919 INFO L78 Accepts]: Start accepts. Automaton has 9418 states and 12661 transitions. Word has length 188 [2019-10-02 07:10:00,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:10:00,920 INFO L475 AbstractCegarLoop]: Abstraction has 9418 states and 12661 transitions. [2019-10-02 07:10:00,920 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:10:00,920 INFO L276 IsEmpty]: Start isEmpty. Operand 9418 states and 12661 transitions. [2019-10-02 07:10:00,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-10-02 07:10:00,939 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:10:00,939 INFO L411 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] [2019-10-02 07:10:00,940 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:10:00,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:10:00,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1945423282, now seen corresponding path program 1 times [2019-10-02 07:10:00,941 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:10:00,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:10:00,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:00,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:10:00,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:10:02,386 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2019-10-02 07:10:02,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:10:02,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:10:02,388 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:10:02,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:10:02,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:10:02,390 INFO L87 Difference]: Start difference. First operand 9418 states and 12661 transitions. Second operand 3 states. [2019-10-02 07:10:04,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:10:04,766 INFO L93 Difference]: Finished difference Result 22810 states and 30749 transitions. [2019-10-02 07:10:04,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:10:04,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2019-10-02 07:10:04,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:10:04,857 INFO L225 Difference]: With dead ends: 22810 [2019-10-02 07:10:04,857 INFO L226 Difference]: Without dead ends: 13438 [2019-10-02 07:10:04,893 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:10:04,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13438 states. [2019-10-02 07:10:05,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13438 to 13390. [2019-10-02 07:10:05,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13390 states. [2019-10-02 07:10:05,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13390 states to 13390 states and 18083 transitions. [2019-10-02 07:10:05,402 INFO L78 Accepts]: Start accepts. Automaton has 13390 states and 18083 transitions. Word has length 219 [2019-10-02 07:10:05,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:10:05,402 INFO L475 AbstractCegarLoop]: Abstraction has 13390 states and 18083 transitions. [2019-10-02 07:10:05,402 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:10:05,403 INFO L276 IsEmpty]: Start isEmpty. Operand 13390 states and 18083 transitions. [2019-10-02 07:10:05,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-02 07:10:05,432 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:10:05,432 INFO L411 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] [2019-10-02 07:10:05,433 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:10:05,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:10:05,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1141051697, now seen corresponding path program 1 times [2019-10-02 07:10:05,433 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:10:05,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:10:05,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:05,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:10:05,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:10:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2019-10-02 07:10:06,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:10:06,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 07:10:06,041 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 07:10:06,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 07:10:06,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:10:06,042 INFO L87 Difference]: Start difference. First operand 13390 states and 18083 transitions. Second operand 5 states. [2019-10-02 07:10:06,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:10:06,452 INFO L93 Difference]: Finished difference Result 26788 states and 36233 transitions. [2019-10-02 07:10:06,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 07:10:06,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2019-10-02 07:10:06,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:10:06,550 INFO L225 Difference]: With dead ends: 26788 [2019-10-02 07:10:06,550 INFO L226 Difference]: Without dead ends: 13444 [2019-10-02 07:10:06,611 INFO L640 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 [2019-10-02 07:10:06,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13444 states. [2019-10-02 07:10:07,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13444 to 13430. [2019-10-02 07:10:07,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13430 states. [2019-10-02 07:10:07,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13430 states to 13430 states and 18129 transitions. [2019-10-02 07:10:07,088 INFO L78 Accepts]: Start accepts. Automaton has 13430 states and 18129 transitions. Word has length 232 [2019-10-02 07:10:07,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:10:07,091 INFO L475 AbstractCegarLoop]: Abstraction has 13430 states and 18129 transitions. [2019-10-02 07:10:07,091 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 07:10:07,091 INFO L276 IsEmpty]: Start isEmpty. Operand 13430 states and 18129 transitions. [2019-10-02 07:10:07,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-10-02 07:10:07,121 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:10:07,121 INFO L411 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] [2019-10-02 07:10:07,121 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:10:07,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:10:07,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1711494360, now seen corresponding path program 1 times [2019-10-02 07:10:07,122 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:10:07,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:10:07,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:07,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:10:07,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:10:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-10-02 07:10:07,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:10:07,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:10:07,643 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:10:07,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:10:07,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:10:07,643 INFO L87 Difference]: Start difference. First operand 13430 states and 18129 transitions. Second operand 3 states. [2019-10-02 07:10:07,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:10:07,951 INFO L93 Difference]: Finished difference Result 26846 states and 36270 transitions. [2019-10-02 07:10:07,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:10:07,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2019-10-02 07:10:07,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:10:08,016 INFO L225 Difference]: With dead ends: 26846 [2019-10-02 07:10:08,016 INFO L226 Difference]: Without dead ends: 13462 [2019-10-02 07:10:08,055 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:10:08,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13462 states. [2019-10-02 07:10:08,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13462 to 13438. [2019-10-02 07:10:08,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13438 states. [2019-10-02 07:10:08,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13438 states to 13438 states and 18137 transitions. [2019-10-02 07:10:08,478 INFO L78 Accepts]: Start accepts. Automaton has 13438 states and 18137 transitions. Word has length 237 [2019-10-02 07:10:08,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:10:08,479 INFO L475 AbstractCegarLoop]: Abstraction has 13438 states and 18137 transitions. [2019-10-02 07:10:08,479 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:10:08,479 INFO L276 IsEmpty]: Start isEmpty. Operand 13438 states and 18137 transitions. [2019-10-02 07:10:08,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-10-02 07:10:08,507 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:10:08,507 INFO L411 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] [2019-10-02 07:10:08,508 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:10:08,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:10:08,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1045132906, now seen corresponding path program 1 times [2019-10-02 07:10:08,508 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:10:08,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:10:08,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:08,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:10:08,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:10:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-10-02 07:10:09,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:10:09,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 07:10:09,649 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:10:09,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:10:09,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:10:09,649 INFO L87 Difference]: Start difference. First operand 13438 states and 18137 transitions. Second operand 6 states. [2019-10-02 07:10:14,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:10:14,540 INFO L93 Difference]: Finished difference Result 26869 states and 36270 transitions. [2019-10-02 07:10:14,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 07:10:14,541 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 237 [2019-10-02 07:10:14,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:10:14,604 INFO L225 Difference]: With dead ends: 26869 [2019-10-02 07:10:14,604 INFO L226 Difference]: Without dead ends: 13463 [2019-10-02 07:10:14,643 INFO L640 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 [2019-10-02 07:10:14,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13463 states. [2019-10-02 07:10:15,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13463 to 13449. [2019-10-02 07:10:15,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13449 states. [2019-10-02 07:10:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13449 states to 13449 states and 18150 transitions. [2019-10-02 07:10:15,146 INFO L78 Accepts]: Start accepts. Automaton has 13449 states and 18150 transitions. Word has length 237 [2019-10-02 07:10:15,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:10:15,147 INFO L475 AbstractCegarLoop]: Abstraction has 13449 states and 18150 transitions. [2019-10-02 07:10:15,147 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:10:15,147 INFO L276 IsEmpty]: Start isEmpty. Operand 13449 states and 18150 transitions. [2019-10-02 07:10:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-10-02 07:10:15,176 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:10:15,176 INFO L411 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] [2019-10-02 07:10:15,176 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:10:15,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:10:15,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1720293032, now seen corresponding path program 1 times [2019-10-02 07:10:15,177 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:10:15,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:10:15,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:15,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:10:15,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:10:16,016 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-10-02 07:10:16,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:10:16,016 INFO L224 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 [2019-10-02 07:10:16,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:10:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:10:20,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 8404 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 07:10:20,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:10:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-10-02 07:10:20,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:10:20,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2019-10-02 07:10:20,367 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:10:20,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:10:20,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:10:20,367 INFO L87 Difference]: Start difference. First operand 13449 states and 18150 transitions. Second operand 6 states. [2019-10-02 07:10:30,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:10:30,305 INFO L93 Difference]: Finished difference Result 53686 states and 73121 transitions. [2019-10-02 07:10:30,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 07:10:30,308 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 237 [2019-10-02 07:10:30,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:10:30,572 INFO L225 Difference]: With dead ends: 53686 [2019-10-02 07:10:30,572 INFO L226 Difference]: Without dead ends: 40226 [2019-10-02 07:10:30,645 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-10-02 07:10:30,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40226 states. [2019-10-02 07:10:32,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40226 to 40166. [2019-10-02 07:10:32,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40166 states. [2019-10-02 07:10:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40166 states to 40166 states and 54245 transitions. [2019-10-02 07:10:32,150 INFO L78 Accepts]: Start accepts. Automaton has 40166 states and 54245 transitions. Word has length 237 [2019-10-02 07:10:32,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:10:32,152 INFO L475 AbstractCegarLoop]: Abstraction has 40166 states and 54245 transitions. [2019-10-02 07:10:32,152 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:10:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 40166 states and 54245 transitions. [2019-10-02 07:10:32,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-10-02 07:10:32,209 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:10:32,209 INFO L411 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] [2019-10-02 07:10:32,210 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:10:32,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:10:32,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1126738240, now seen corresponding path program 1 times [2019-10-02 07:10:32,210 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:10:32,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:10:32,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:32,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:10:32,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:10:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2019-10-02 07:10:32,990 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:10:32,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 07:10:32,992 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 07:10:32,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 07:10:32,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:10:32,993 INFO L87 Difference]: Start difference. First operand 40166 states and 54245 transitions. Second operand 5 states. [2019-10-02 07:10:37,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:10:37,294 INFO L93 Difference]: Finished difference Result 80285 states and 108433 transitions. [2019-10-02 07:10:37,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 07:10:37,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 239 [2019-10-02 07:10:37,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:10:37,466 INFO L225 Difference]: With dead ends: 80285 [2019-10-02 07:10:37,466 INFO L226 Difference]: Without dead ends: 40166 [2019-10-02 07:10:37,582 INFO L640 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 [2019-10-02 07:10:37,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40166 states. [2019-10-02 07:10:38,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40166 to 40150. [2019-10-02 07:10:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40150 states. [2019-10-02 07:10:38,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40150 states to 40150 states and 54205 transitions. [2019-10-02 07:10:38,846 INFO L78 Accepts]: Start accepts. Automaton has 40150 states and 54205 transitions. Word has length 239 [2019-10-02 07:10:38,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:10:38,847 INFO L475 AbstractCegarLoop]: Abstraction has 40150 states and 54205 transitions. [2019-10-02 07:10:38,847 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 07:10:38,847 INFO L276 IsEmpty]: Start isEmpty. Operand 40150 states and 54205 transitions. [2019-10-02 07:10:38,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-10-02 07:10:38,898 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:10:38,898 INFO L411 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] [2019-10-02 07:10:38,899 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:10:38,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:10:38,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1118069851, now seen corresponding path program 1 times [2019-10-02 07:10:38,899 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:10:38,899 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:10:38,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:38,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:10:38,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:10:39,545 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2019-10-02 07:10:39,546 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:10:39,546 INFO L224 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 [2019-10-02 07:10:40,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:10:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:10:44,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 8600 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-02 07:10:44,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:10:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-10-02 07:10:44,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:10:44,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-10-02 07:10:44,417 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 07:10:44,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 07:10:44,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-10-02 07:10:44,418 INFO L87 Difference]: Start difference. First operand 40150 states and 54205 transitions. Second operand 8 states. [2019-10-02 07:10:53,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:10:53,960 INFO L93 Difference]: Finished difference Result 69428 states and 93424 transitions. [2019-10-02 07:10:53,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 07:10:53,960 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2019-10-02 07:10:53,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:10:54,079 INFO L225 Difference]: With dead ends: 69428 [2019-10-02 07:10:54,079 INFO L226 Difference]: Without dead ends: 24579 [2019-10-02 07:10:54,183 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2019-10-02 07:10:54,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24579 states. [2019-10-02 07:10:55,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24579 to 24519. [2019-10-02 07:10:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24519 states. [2019-10-02 07:10:55,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24519 states to 24519 states and 32906 transitions. [2019-10-02 07:10:55,169 INFO L78 Accepts]: Start accepts. Automaton has 24519 states and 32906 transitions. Word has length 257 [2019-10-02 07:10:55,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:10:55,170 INFO L475 AbstractCegarLoop]: Abstraction has 24519 states and 32906 transitions. [2019-10-02 07:10:55,170 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 07:10:55,170 INFO L276 IsEmpty]: Start isEmpty. Operand 24519 states and 32906 transitions. [2019-10-02 07:10:55,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-10-02 07:10:55,208 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:10:55,209 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 3, 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] [2019-10-02 07:10:55,209 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:10:55,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:10:55,209 INFO L82 PathProgramCache]: Analyzing trace with hash 788106068, now seen corresponding path program 1 times [2019-10-02 07:10:55,210 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:10:55,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:10:55,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:55,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:10:55,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:10:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:10:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2019-10-02 07:10:55,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:10:55,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:10:55,742 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:10:55,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:10:55,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:10:55,743 INFO L87 Difference]: Start difference. First operand 24519 states and 32906 transitions. Second operand 3 states. [2019-10-02 07:11:01,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:11:01,096 INFO L93 Difference]: Finished difference Result 52253 states and 69982 transitions. [2019-10-02 07:11:01,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:11:01,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 265 [2019-10-02 07:11:01,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:11:01,205 INFO L225 Difference]: With dead ends: 52253 [2019-10-02 07:11:01,205 INFO L226 Difference]: Without dead ends: 27781 [2019-10-02 07:11:01,264 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:11:01,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27781 states. [2019-10-02 07:11:02,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27781 to 27270. [2019-10-02 07:11:02,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27270 states. [2019-10-02 07:11:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27270 states to 27270 states and 36496 transitions. [2019-10-02 07:11:02,239 INFO L78 Accepts]: Start accepts. Automaton has 27270 states and 36496 transitions. Word has length 265 [2019-10-02 07:11:02,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:11:02,239 INFO L475 AbstractCegarLoop]: Abstraction has 27270 states and 36496 transitions. [2019-10-02 07:11:02,239 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:11:02,240 INFO L276 IsEmpty]: Start isEmpty. Operand 27270 states and 36496 transitions. [2019-10-02 07:11:02,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-10-02 07:11:02,266 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:11:02,267 INFO L411 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] [2019-10-02 07:11:02,267 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:11:02,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:11:02,268 INFO L82 PathProgramCache]: Analyzing trace with hash 122974395, now seen corresponding path program 1 times [2019-10-02 07:11:02,268 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:11:02,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:11:02,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:11:02,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:11:02,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:11:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:11:02,918 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2019-10-02 07:11:02,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:11:02,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 07:11:02,920 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 07:11:02,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 07:11:02,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 07:11:02,921 INFO L87 Difference]: Start difference. First operand 27270 states and 36496 transitions. Second operand 4 states. [2019-10-02 07:11:11,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:11:11,033 INFO L93 Difference]: Finished difference Result 49247 states and 66363 transitions. [2019-10-02 07:11:11,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:11:11,034 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 285 [2019-10-02 07:11:11,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:11:11,092 INFO L225 Difference]: With dead ends: 49247 [2019-10-02 07:11:11,093 INFO L226 Difference]: Without dead ends: 27144 [2019-10-02 07:11:11,123 INFO L640 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 [2019-10-02 07:11:11,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27144 states. [2019-10-02 07:11:11,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27144 to 27144. [2019-10-02 07:11:11,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27144 states. [2019-10-02 07:11:11,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27144 states to 27144 states and 36076 transitions. [2019-10-02 07:11:11,886 INFO L78 Accepts]: Start accepts. Automaton has 27144 states and 36076 transitions. Word has length 285 [2019-10-02 07:11:11,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:11:11,887 INFO L475 AbstractCegarLoop]: Abstraction has 27144 states and 36076 transitions. [2019-10-02 07:11:11,887 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 07:11:11,887 INFO L276 IsEmpty]: Start isEmpty. Operand 27144 states and 36076 transitions. [2019-10-02 07:11:11,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-10-02 07:11:11,917 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:11:11,917 INFO L411 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] [2019-10-02 07:11:11,917 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:11:11,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:11:11,918 INFO L82 PathProgramCache]: Analyzing trace with hash -2012908807, now seen corresponding path program 1 times [2019-10-02 07:11:11,918 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:11:11,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:11:11,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:11:11,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:11:11,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:11:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:11:12,948 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2019-10-02 07:11:12,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:11:12,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:11:12,949 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:11:12,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:11:12,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:11:12,950 INFO L87 Difference]: Start difference. First operand 27144 states and 36076 transitions. Second operand 3 states. [2019-10-02 07:11:13,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:11:13,622 INFO L93 Difference]: Finished difference Result 27167 states and 36100 transitions. [2019-10-02 07:11:13,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:11:13,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 285 [2019-10-02 07:11:13,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:11:13,728 INFO L225 Difference]: With dead ends: 27167 [2019-10-02 07:11:13,728 INFO L226 Difference]: Without dead ends: 27148 [2019-10-02 07:11:13,746 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:11:13,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27148 states. [2019-10-02 07:11:14,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27148 to 27145. [2019-10-02 07:11:14,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27145 states. [2019-10-02 07:11:14,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27145 states to 27145 states and 36077 transitions. [2019-10-02 07:11:14,565 INFO L78 Accepts]: Start accepts. Automaton has 27145 states and 36077 transitions. Word has length 285 [2019-10-02 07:11:14,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:11:14,566 INFO L475 AbstractCegarLoop]: Abstraction has 27145 states and 36077 transitions. [2019-10-02 07:11:14,566 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:11:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 27145 states and 36077 transitions. [2019-10-02 07:11:14,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-10-02 07:11:14,592 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:11:14,592 INFO L411 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] [2019-10-02 07:11:14,593 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:11:14,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:11:14,593 INFO L82 PathProgramCache]: Analyzing trace with hash -59402609, now seen corresponding path program 1 times [2019-10-02 07:11:14,593 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:11:14,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:11:14,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:11:14,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:11:14,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:11:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:11:17,196 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2019-10-02 07:11:17,196 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:11:17,196 INFO L224 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 [2019-10-02 07:11:18,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:11:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:11:21,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 8578 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 07:11:21,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:11:21,762 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 135 proven. 1 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2019-10-02 07:11:21,823 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 07:11:21,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2019-10-02 07:11:21,825 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 07:11:21,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 07:11:21,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 07:11:21,826 INFO L87 Difference]: Start difference. First operand 27145 states and 36077 transitions. Second operand 7 states. [2019-10-02 07:11:22,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:11:22,488 INFO L93 Difference]: Finished difference Result 54303 states and 72549 transitions. [2019-10-02 07:11:22,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 07:11:22,488 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 292 [2019-10-02 07:11:22,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:11:22,560 INFO L225 Difference]: With dead ends: 54303 [2019-10-02 07:11:22,560 INFO L226 Difference]: Without dead ends: 27167 [2019-10-02 07:11:22,618 INFO L640 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 [2019-10-02 07:11:22,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27167 states. [2019-10-02 07:11:23,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27167 to 27164. [2019-10-02 07:11:23,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27164 states. [2019-10-02 07:11:23,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27164 states to 27164 states and 36097 transitions. [2019-10-02 07:11:23,583 INFO L78 Accepts]: Start accepts. Automaton has 27164 states and 36097 transitions. Word has length 292 [2019-10-02 07:11:23,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:11:23,583 INFO L475 AbstractCegarLoop]: Abstraction has 27164 states and 36097 transitions. [2019-10-02 07:11:23,584 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 07:11:23,584 INFO L276 IsEmpty]: Start isEmpty. Operand 27164 states and 36097 transitions. [2019-10-02 07:11:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-10-02 07:11:23,610 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:11:23,610 INFO L411 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] [2019-10-02 07:11:23,611 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:11:23,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:11:23,611 INFO L82 PathProgramCache]: Analyzing trace with hash 39620063, now seen corresponding path program 2 times [2019-10-02 07:11:23,611 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:11:23,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:11:23,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:11:23,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:11:23,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:11:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:11:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2019-10-02 07:11:24,400 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:11:24,400 INFO L224 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 [2019-10-02 07:11:25,282 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 07:11:39,733 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 07:11:39,733 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:11:40,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 8609 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 07:11:40,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:11:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 140 proven. 3 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-10-02 07:11:40,312 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 07:11:40,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2019-10-02 07:11:40,314 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 07:11:40,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 07:11:40,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-02 07:11:40,315 INFO L87 Difference]: Start difference. First operand 27164 states and 36097 transitions. Second operand 9 states. [2019-10-02 07:11:41,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:11:41,414 INFO L93 Difference]: Finished difference Result 54341 states and 72589 transitions. [2019-10-02 07:11:41,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 07:11:41,415 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 301 [2019-10-02 07:11:41,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:11:41,489 INFO L225 Difference]: With dead ends: 54341 [2019-10-02 07:11:41,490 INFO L226 Difference]: Without dead ends: 27186 [2019-10-02 07:11:41,537 INFO L640 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 [2019-10-02 07:11:41,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27186 states. [2019-10-02 07:11:42,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27186 to 27183. [2019-10-02 07:11:42,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27183 states. [2019-10-02 07:11:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27183 states to 27183 states and 36117 transitions. [2019-10-02 07:11:42,617 INFO L78 Accepts]: Start accepts. Automaton has 27183 states and 36117 transitions. Word has length 301 [2019-10-02 07:11:42,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:11:42,618 INFO L475 AbstractCegarLoop]: Abstraction has 27183 states and 36117 transitions. [2019-10-02 07:11:42,618 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 07:11:42,618 INFO L276 IsEmpty]: Start isEmpty. Operand 27183 states and 36117 transitions. [2019-10-02 07:11:42,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-10-02 07:11:42,646 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:11:42,646 INFO L411 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] [2019-10-02 07:11:42,647 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:11:42,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:11:42,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1513661391, now seen corresponding path program 3 times [2019-10-02 07:11:42,647 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:11:42,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:11:42,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:11:42,660 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:11:42,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:11:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:11:50,639 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2019-10-02 07:11:50,640 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:11:50,640 INFO L224 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 [2019-10-02 07:11:51,509 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 07:13:19,265 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2019-10-02 07:13:19,266 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:13:20,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 8500 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-02 07:13:20,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:13:20,435 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 146 proven. 6 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-10-02 07:13:20,572 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 07:13:20,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-10-02 07:13:20,573 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-02 07:13:20,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-02 07:13:20,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2019-10-02 07:13:20,574 INFO L87 Difference]: Start difference. First operand 27183 states and 36117 transitions. Second operand 12 states. [2019-10-02 07:13:21,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:13:21,299 INFO L93 Difference]: Finished difference Result 54492 states and 72753 transitions. [2019-10-02 07:13:21,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-02 07:13:21,300 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 310 [2019-10-02 07:13:21,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:13:21,382 INFO L225 Difference]: With dead ends: 54492 [2019-10-02 07:13:21,382 INFO L226 Difference]: Without dead ends: 27318 [2019-10-02 07:13:21,434 INFO L640 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 [2019-10-02 07:13:21,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27318 states. [2019-10-02 07:13:22,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27318 to 27318. [2019-10-02 07:13:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27318 states. [2019-10-02 07:13:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27318 states to 27318 states and 36252 transitions. [2019-10-02 07:13:22,378 INFO L78 Accepts]: Start accepts. Automaton has 27318 states and 36252 transitions. Word has length 310 [2019-10-02 07:13:22,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:13:22,378 INFO L475 AbstractCegarLoop]: Abstraction has 27318 states and 36252 transitions. [2019-10-02 07:13:22,378 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-02 07:13:22,379 INFO L276 IsEmpty]: Start isEmpty. Operand 27318 states and 36252 transitions. [2019-10-02 07:13:22,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-10-02 07:13:22,407 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:13:22,407 INFO L411 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] [2019-10-02 07:13:22,408 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:13:22,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:13:22,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1248852247, now seen corresponding path program 4 times [2019-10-02 07:13:22,408 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:13:22,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:13:22,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:13:22,421 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:13:22,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:13:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:13:23,078 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2019-10-02 07:13:23,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:13:23,078 INFO L224 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 [2019-10-02 07:13:23,960 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-10-02 07:13:27,302 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-02 07:13:27,303 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:13:27,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 8652 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-02 07:13:27,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:13:27,603 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 155 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2019-10-02 07:13:27,673 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 07:13:27,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2019-10-02 07:13:27,675 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-02 07:13:27,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-02 07:13:27,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-10-02 07:13:27,675 INFO L87 Difference]: Start difference. First operand 27318 states and 36252 transitions. Second operand 12 states. [2019-10-02 07:13:28,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:13:28,465 INFO L93 Difference]: Finished difference Result 54631 states and 72865 transitions. [2019-10-02 07:13:28,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-02 07:13:28,470 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 312 [2019-10-02 07:13:28,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:13:28,541 INFO L225 Difference]: With dead ends: 54631 [2019-10-02 07:13:28,542 INFO L226 Difference]: Without dead ends: 27340 [2019-10-02 07:13:28,590 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2019-10-02 07:13:28,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27340 states. [2019-10-02 07:13:29,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27340 to 27337. [2019-10-02 07:13:29,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27337 states. [2019-10-02 07:13:29,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27337 states to 27337 states and 36272 transitions. [2019-10-02 07:13:29,510 INFO L78 Accepts]: Start accepts. Automaton has 27337 states and 36272 transitions. Word has length 312 [2019-10-02 07:13:29,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:13:29,511 INFO L475 AbstractCegarLoop]: Abstraction has 27337 states and 36272 transitions. [2019-10-02 07:13:29,511 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-02 07:13:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand 27337 states and 36272 transitions. [2019-10-02 07:13:29,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-10-02 07:13:29,540 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:13:29,541 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 11, 9, 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] [2019-10-02 07:13:29,541 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:13:29,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:13:29,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1691039892, now seen corresponding path program 5 times [2019-10-02 07:13:29,541 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:13:29,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:13:29,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:13:29,557 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:13:29,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:13:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:13:30,284 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-10-02 07:13:30,284 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:13:30,285 INFO L224 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 [2019-10-02 07:13:31,174 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-10-02 07:13:31,742 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2019-10-02 07:13:31,742 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:13:31,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-02 07:13:31,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:13:31,952 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 160 proven. 15 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2019-10-02 07:13:31,960 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 07:13:31,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2019-10-02 07:13:31,961 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-02 07:13:31,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-02 07:13:31,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2019-10-02 07:13:31,962 INFO L87 Difference]: Start difference. First operand 27337 states and 36272 transitions. Second operand 14 states. [2019-10-02 07:13:32,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:13:32,882 INFO L93 Difference]: Finished difference Result 54713 states and 72964 transitions. [2019-10-02 07:13:32,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-02 07:13:32,882 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 320 [2019-10-02 07:13:32,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:13:32,988 INFO L225 Difference]: With dead ends: 54713 [2019-10-02 07:13:32,988 INFO L226 Difference]: Without dead ends: 27404 [2019-10-02 07:13:33,041 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2019-10-02 07:13:33,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27404 states. [2019-10-02 07:13:33,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27404 to 27356. [2019-10-02 07:13:33,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27356 states. [2019-10-02 07:13:34,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27356 states to 27356 states and 36292 transitions. [2019-10-02 07:13:34,073 INFO L78 Accepts]: Start accepts. Automaton has 27356 states and 36292 transitions. Word has length 320 [2019-10-02 07:13:34,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:13:34,073 INFO L475 AbstractCegarLoop]: Abstraction has 27356 states and 36292 transitions. [2019-10-02 07:13:34,073 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-02 07:13:34,073 INFO L276 IsEmpty]: Start isEmpty. Operand 27356 states and 36292 transitions. [2019-10-02 07:13:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2019-10-02 07:13:34,105 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:13:34,106 INFO L411 BasicCegarLoop]: trace histogram [10, 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] [2019-10-02 07:13:34,106 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:13:34,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:13:34,107 INFO L82 PathProgramCache]: Analyzing trace with hash -620460615, now seen corresponding path program 1 times [2019-10-02 07:13:34,107 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:13:34,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:13:34,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:13:34,120 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:13:34,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:13:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:13:34,499 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2019-10-02 07:13:34,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:13:34,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:13:34,500 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:13:34,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:13:34,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:13:34,501 INFO L87 Difference]: Start difference. First operand 27356 states and 36292 transitions. Second operand 3 states. [2019-10-02 07:13:39,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:13:39,205 INFO L93 Difference]: Finished difference Result 49579 states and 65917 transitions. [2019-10-02 07:13:39,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:13:39,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 323 [2019-10-02 07:13:39,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:13:39,294 INFO L225 Difference]: With dead ends: 49579 [2019-10-02 07:13:39,295 INFO L226 Difference]: Without dead ends: 22325 [2019-10-02 07:13:39,353 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:13:39,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22325 states. [2019-10-02 07:13:39,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22325 to 22325. [2019-10-02 07:13:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22325 states. [2019-10-02 07:13:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22325 states to 22325 states and 29747 transitions. [2019-10-02 07:13:39,896 INFO L78 Accepts]: Start accepts. Automaton has 22325 states and 29747 transitions. Word has length 323 [2019-10-02 07:13:39,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:13:39,897 INFO L475 AbstractCegarLoop]: Abstraction has 22325 states and 29747 transitions. [2019-10-02 07:13:39,897 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:13:39,897 INFO L276 IsEmpty]: Start isEmpty. Operand 22325 states and 29747 transitions. [2019-10-02 07:13:39,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-10-02 07:13:39,923 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:13:39,924 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 11, 10, 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] [2019-10-02 07:13:39,924 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:13:39,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:13:39,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1015342199, now seen corresponding path program 6 times [2019-10-02 07:13:39,924 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:13:39,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:13:39,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:13:39,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:13:39,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:13:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:13:40,675 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2019-10-02 07:13:40,675 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:13:40,675 INFO L224 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 [2019-10-02 07:13:41,529 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-10-02 07:15:58,711 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2019-10-02 07:15:58,711 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 07:15:59,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 8702 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 07:15:59,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:15:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 165 proven. 21 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2019-10-02 07:15:59,723 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 07:15:59,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2019-10-02 07:15:59,724 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-02 07:15:59,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-02 07:15:59,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2019-10-02 07:15:59,725 INFO L87 Difference]: Start difference. First operand 22325 states and 29747 transitions. Second operand 16 states. [2019-10-02 07:16:00,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:16:00,626 INFO L93 Difference]: Finished difference Result 44845 states and 60057 transitions. [2019-10-02 07:16:00,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-02 07:16:00,627 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 328 [2019-10-02 07:16:00,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:16:00,714 INFO L225 Difference]: With dead ends: 44845 [2019-10-02 07:16:00,715 INFO L226 Difference]: Without dead ends: 22577 [2019-10-02 07:16:00,767 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2019-10-02 07:16:00,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22577 states. [2019-10-02 07:16:01,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22577 to 22484. [2019-10-02 07:16:01,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22484 states. [2019-10-02 07:16:01,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22484 states to 22484 states and 29921 transitions. [2019-10-02 07:16:01,604 INFO L78 Accepts]: Start accepts. Automaton has 22484 states and 29921 transitions. Word has length 328 [2019-10-02 07:16:01,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:16:01,605 INFO L475 AbstractCegarLoop]: Abstraction has 22484 states and 29921 transitions. [2019-10-02 07:16:01,605 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-02 07:16:01,605 INFO L276 IsEmpty]: Start isEmpty. Operand 22484 states and 29921 transitions. [2019-10-02 07:16:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-10-02 07:16:01,645 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:16:01,645 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 11, 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] [2019-10-02 07:16:01,646 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:16:01,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:16:01,646 INFO L82 PathProgramCache]: Analyzing trace with hash -370596364, now seen corresponding path program 7 times [2019-10-02 07:16:01,646 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:16:01,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:16:01,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:16:01,658 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:16:01,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:16:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:16:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2019-10-02 07:16:02,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:16:02,379 INFO L224 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 [2019-10-02 07:16:03,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:16:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:16:08,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 8727 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-02 07:16:08,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:16:08,475 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 170 proven. 28 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2019-10-02 07:16:08,527 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 07:16:08,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2019-10-02 07:16:08,529 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-02 07:16:08,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-02 07:16:08,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2019-10-02 07:16:08,529 INFO L87 Difference]: Start difference. First operand 22484 states and 29921 transitions. Second operand 18 states. [2019-10-02 07:16:09,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:16:09,613 INFO L93 Difference]: Finished difference Result 45137 states and 60422 transitions. [2019-10-02 07:16:09,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-02 07:16:09,614 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 336 [2019-10-02 07:16:09,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:16:09,672 INFO L225 Difference]: With dead ends: 45137 [2019-10-02 07:16:09,673 INFO L226 Difference]: Without dead ends: 22683 [2019-10-02 07:16:09,715 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=495, Unknown=0, NotChecked=0, Total=650 [2019-10-02 07:16:09,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22683 states. [2019-10-02 07:16:10,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22683 to 22503. [2019-10-02 07:16:10,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22503 states. [2019-10-02 07:16:10,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22503 states to 22503 states and 29941 transitions. [2019-10-02 07:16:10,274 INFO L78 Accepts]: Start accepts. Automaton has 22503 states and 29941 transitions. Word has length 336 [2019-10-02 07:16:10,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:16:10,275 INFO L475 AbstractCegarLoop]: Abstraction has 22503 states and 29941 transitions. [2019-10-02 07:16:10,275 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-02 07:16:10,275 INFO L276 IsEmpty]: Start isEmpty. Operand 22503 states and 29941 transitions. [2019-10-02 07:16:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-10-02 07:16:10,304 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:16:10,305 INFO L411 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] [2019-10-02 07:16:10,305 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:16:10,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:16:10,305 INFO L82 PathProgramCache]: Analyzing trace with hash -871442391, now seen corresponding path program 8 times [2019-10-02 07:16:10,305 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:16:10,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:16:10,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:16:10,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:16:10,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:16:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:16:11,080 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2019-10-02 07:16:11,081 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:16:11,081 INFO L224 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 [2019-10-02 07:16:11,940 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 07:16:38,674 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 07:16:38,674 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-10-02 07:16:39,674 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:16:39,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2019-10-02 07:16:39,675 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 07:16:39,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 07:16:39,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-10-02 07:16:39,676 INFO L87 Difference]: Start difference. First operand 22503 states and 29941 transitions. Second operand 10 states. [2019-10-02 07:16:40,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:16:40,251 INFO L93 Difference]: Finished difference Result 22529 states and 29969 transitions. [2019-10-02 07:16:40,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 07:16:40,253 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 344 [2019-10-02 07:16:40,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:16:40,308 INFO L225 Difference]: With dead ends: 22529 [2019-10-02 07:16:40,308 INFO L226 Difference]: Without dead ends: 22510 [2019-10-02 07:16:40,318 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-10-02 07:16:40,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22510 states. [2019-10-02 07:16:40,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22510 to 22507. [2019-10-02 07:16:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22507 states. [2019-10-02 07:16:40,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22507 states to 22507 states and 29946 transitions. [2019-10-02 07:16:40,805 INFO L78 Accepts]: Start accepts. Automaton has 22507 states and 29946 transitions. Word has length 344 [2019-10-02 07:16:40,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:16:40,806 INFO L475 AbstractCegarLoop]: Abstraction has 22507 states and 29946 transitions. [2019-10-02 07:16:40,806 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 07:16:40,806 INFO L276 IsEmpty]: Start isEmpty. Operand 22507 states and 29946 transitions. [2019-10-02 07:16:40,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2019-10-02 07:16:40,838 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:16:40,839 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 8, 8, 8, 8, 8, 8, 8, 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] [2019-10-02 07:16:40,839 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:16:40,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:16:40,839 INFO L82 PathProgramCache]: Analyzing trace with hash 490273631, now seen corresponding path program 9 times [2019-10-02 07:16:40,839 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:16:40,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:16:40,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:16:40,851 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:16:40,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:16:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:16:41,485 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2019-10-02 07:16:41,485 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:16:41,485 INFO L224 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 [2019-10-02 07:16:42,370 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 07:19:11,354 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2019-10-02 07:19:11,354 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-10-02 07:19:12,760 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:19:12,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2019-10-02 07:19:12,761 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 07:19:12,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 07:19:12,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-10-02 07:19:12,762 INFO L87 Difference]: Start difference. First operand 22507 states and 29946 transitions. Second operand 11 states. [2019-10-02 07:19:13,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:19:13,613 INFO L93 Difference]: Finished difference Result 22533 states and 29974 transitions. [2019-10-02 07:19:13,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 07:19:13,614 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 351 [2019-10-02 07:19:13,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:19:13,671 INFO L225 Difference]: With dead ends: 22533 [2019-10-02 07:19:13,671 INFO L226 Difference]: Without dead ends: 22514 [2019-10-02 07:19:13,679 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-10-02 07:19:13,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22514 states. [2019-10-02 07:19:14,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22514 to 22511. [2019-10-02 07:19:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22511 states. [2019-10-02 07:19:14,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 29951 transitions. [2019-10-02 07:19:14,190 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 29951 transitions. Word has length 351 [2019-10-02 07:19:14,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:19:14,191 INFO L475 AbstractCegarLoop]: Abstraction has 22511 states and 29951 transitions. [2019-10-02 07:19:14,191 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 07:19:14,191 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 29951 transitions. [2019-10-02 07:19:14,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-10-02 07:19:14,241 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:19:14,241 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 9, 9, 9, 9, 9, 9, 9, 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] [2019-10-02 07:19:14,241 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:19:14,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:19:14,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1150226583, now seen corresponding path program 10 times [2019-10-02 07:19:14,242 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:19:14,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:19:14,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:19:14,259 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:19:14,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:19:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:19:20,689 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-02 07:19:20,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:19:20,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-02 07:19:20,690 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 07:19:20,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 07:19:20,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-02 07:19:20,693 INFO L87 Difference]: Start difference. First operand 22511 states and 29951 transitions. Second operand 10 states. [2019-10-02 07:19:21,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:19:21,641 INFO L93 Difference]: Finished difference Result 41419 states and 55147 transitions. [2019-10-02 07:19:21,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 07:19:21,642 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 358 [2019-10-02 07:19:21,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:19:21,763 INFO L225 Difference]: With dead ends: 41419 [2019-10-02 07:19:21,763 INFO L226 Difference]: Without dead ends: 22641 [2019-10-02 07:19:21,815 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-10-02 07:19:21,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22641 states. [2019-10-02 07:19:22,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22641 to 22616. [2019-10-02 07:19:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22616 states. [2019-10-02 07:19:22,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22616 states to 22616 states and 30042 transitions. [2019-10-02 07:19:22,949 INFO L78 Accepts]: Start accepts. Automaton has 22616 states and 30042 transitions. Word has length 358 [2019-10-02 07:19:22,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:19:22,950 INFO L475 AbstractCegarLoop]: Abstraction has 22616 states and 30042 transitions. [2019-10-02 07:19:22,950 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 07:19:22,951 INFO L276 IsEmpty]: Start isEmpty. Operand 22616 states and 30042 transitions. [2019-10-02 07:19:23,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2019-10-02 07:19:23,015 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:19:23,015 INFO L411 BasicCegarLoop]: trace histogram [12, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:19:23,016 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:19:23,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:19:23,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1967222649, now seen corresponding path program 1 times [2019-10-02 07:19:23,016 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:19:23,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:19:23,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:19:23,037 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 07:19:23,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:19:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:19:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2019-10-02 07:19:23,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:19:23,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:19:23,703 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:19:23,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:19:23,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:19:23,704 INFO L87 Difference]: Start difference. First operand 22616 states and 30042 transitions. Second operand 3 states. [2019-10-02 07:19:24,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:19:24,547 INFO L93 Difference]: Finished difference Result 45153 states and 60028 transitions. [2019-10-02 07:19:24,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:19:24,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 387 [2019-10-02 07:19:24,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:19:24,631 INFO L225 Difference]: With dead ends: 45153 [2019-10-02 07:19:24,631 INFO L226 Difference]: Without dead ends: 22688 [2019-10-02 07:19:24,678 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:19:24,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22688 states. [2019-10-02 07:19:25,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22688 to 22664. [2019-10-02 07:19:25,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22664 states. [2019-10-02 07:19:25,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22664 states to 22664 states and 30108 transitions. [2019-10-02 07:19:25,525 INFO L78 Accepts]: Start accepts. Automaton has 22664 states and 30108 transitions. Word has length 387 [2019-10-02 07:19:25,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:19:25,525 INFO L475 AbstractCegarLoop]: Abstraction has 22664 states and 30108 transitions. [2019-10-02 07:19:25,526 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:19:25,526 INFO L276 IsEmpty]: Start isEmpty. Operand 22664 states and 30108 transitions. [2019-10-02 07:19:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-10-02 07:19:25,568 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:19:25,568 INFO L411 BasicCegarLoop]: trace histogram [12, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:19:25,569 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:19:25,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:19:25,569 INFO L82 PathProgramCache]: Analyzing trace with hash 728011364, now seen corresponding path program 1 times [2019-10-02 07:19:25,569 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:19:25,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:19:25,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:19:25,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:19:25,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:19:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:19:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2019-10-02 07:19:25,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:19:25,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:19:25,996 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:19:25,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:19:25,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:19:25,996 INFO L87 Difference]: Start difference. First operand 22664 states and 30108 transitions. Second operand 3 states. [2019-10-02 07:19:26,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:19:26,377 INFO L93 Difference]: Finished difference Result 34086 states and 45333 transitions. [2019-10-02 07:19:26,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:19:26,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 391 [2019-10-02 07:19:26,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:19:26,456 INFO L225 Difference]: With dead ends: 34086 [2019-10-02 07:19:26,456 INFO L226 Difference]: Without dead ends: 22700 [2019-10-02 07:19:26,484 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:19:26,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22700 states. [2019-10-02 07:19:26,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22700 to 22682. [2019-10-02 07:19:26,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22682 states. [2019-10-02 07:19:27,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22682 states to 22682 states and 30126 transitions. [2019-10-02 07:19:27,064 INFO L78 Accepts]: Start accepts. Automaton has 22682 states and 30126 transitions. Word has length 391 [2019-10-02 07:19:27,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:19:27,065 INFO L475 AbstractCegarLoop]: Abstraction has 22682 states and 30126 transitions. [2019-10-02 07:19:27,065 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:19:27,065 INFO L276 IsEmpty]: Start isEmpty. Operand 22682 states and 30126 transitions. [2019-10-02 07:19:27,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-10-02 07:19:27,108 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:19:27,109 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:19:27,109 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:19:27,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:19:27,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1418603564, now seen corresponding path program 1 times [2019-10-02 07:19:27,109 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:19:27,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:19:27,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:19:27,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:19:27,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:19:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:19:27,872 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2019-10-02 07:19:27,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:19:27,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 07:19:27,873 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:19:27,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:19:27,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:19:27,874 INFO L87 Difference]: Start difference. First operand 22682 states and 30126 transitions. Second operand 6 states. [2019-10-02 07:19:28,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:19:28,692 INFO L93 Difference]: Finished difference Result 41648 states and 55379 transitions. [2019-10-02 07:19:28,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 07:19:28,692 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 391 [2019-10-02 07:19:28,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:19:28,815 INFO L225 Difference]: With dead ends: 41648 [2019-10-02 07:19:28,815 INFO L226 Difference]: Without dead ends: 22822 [2019-10-02 07:19:28,855 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 07:19:28,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22822 states. [2019-10-02 07:19:29,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22822 to 22766. [2019-10-02 07:19:29,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22766 states. [2019-10-02 07:19:29,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22766 states to 22766 states and 30217 transitions. [2019-10-02 07:19:29,677 INFO L78 Accepts]: Start accepts. Automaton has 22766 states and 30217 transitions. Word has length 391 [2019-10-02 07:19:29,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:19:29,678 INFO L475 AbstractCegarLoop]: Abstraction has 22766 states and 30217 transitions. [2019-10-02 07:19:29,678 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:19:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 22766 states and 30217 transitions. [2019-10-02 07:19:29,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2019-10-02 07:19:29,721 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:19:29,721 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:19:29,722 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:19:29,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:19:29,722 INFO L82 PathProgramCache]: Analyzing trace with hash -499747201, now seen corresponding path program 1 times [2019-10-02 07:19:29,722 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:19:29,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:19:29,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:19:29,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:19:29,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:19:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:19:30,132 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2019-10-02 07:19:30,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:19:30,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 07:19:30,133 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 07:19:30,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 07:19:30,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 07:19:30,134 INFO L87 Difference]: Start difference. First operand 22766 states and 30217 transitions. Second operand 4 states. [2019-10-02 07:19:30,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:19:30,595 INFO L93 Difference]: Finished difference Result 41748 states and 55457 transitions. [2019-10-02 07:19:30,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 07:19:30,596 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 392 [2019-10-02 07:19:30,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:19:30,681 INFO L225 Difference]: With dead ends: 41748 [2019-10-02 07:19:30,681 INFO L226 Difference]: Without dead ends: 22850 [2019-10-02 07:19:30,723 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 07:19:30,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22850 states. [2019-10-02 07:19:31,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22850 to 22773. [2019-10-02 07:19:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22773 states. [2019-10-02 07:19:31,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22773 states to 22773 states and 30224 transitions. [2019-10-02 07:19:31,344 INFO L78 Accepts]: Start accepts. Automaton has 22773 states and 30224 transitions. Word has length 392 [2019-10-02 07:19:31,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:19:31,345 INFO L475 AbstractCegarLoop]: Abstraction has 22773 states and 30224 transitions. [2019-10-02 07:19:31,345 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 07:19:31,345 INFO L276 IsEmpty]: Start isEmpty. Operand 22773 states and 30224 transitions. [2019-10-02 07:19:31,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2019-10-02 07:19:31,388 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:19:31,388 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:19:31,389 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:19:31,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:19:31,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1903616387, now seen corresponding path program 1 times [2019-10-02 07:19:31,389 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:19:31,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:19:31,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:19:31,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:19:31,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY