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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 22:20:10,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:20:10,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:20:10,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:20:10,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:20:10,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:20:10,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:20:10,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:20:10,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:20:10,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:20:10,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:20:10,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:20:10,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:20:10,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:20:10,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:20:10,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:20:10,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:20:10,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:20:10,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:20:10,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:20:10,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:20:10,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:20:10,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:20:10,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:20:10,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 22:20:10,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 22:20:10,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 22:20:10,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 22:20:10,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 22:20:10,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 22:20:10,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 22:20:10,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 22:20:10,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 22:20:10,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 22:20:10,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 22:20:10,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 22:20:10,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 22:20:10,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 22:20:10,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:20:10,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:20:10,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:20:10,420 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 [2019-10-14 22:20:10,443 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:20:10,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:20:10,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:20:10,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:20:10,447 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:20:10,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:20:10,447 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:20:10,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:20:10,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:20:10,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:20:10,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:20:10,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:20:10,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:20:10,450 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:20:10,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:20:10,450 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:20:10,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:20:10,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:20:10,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:20:10,451 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:20:10,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:20:10,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:20:10,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:20:10,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:20:10,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:20:10,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:20:10,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:20:10,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:20:10,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:20:10,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:20:10,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:20:10,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:20:10,755 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:20:10,756 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:20:10,756 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2019-10-14 22:20:10,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dafe34695/29fc376286aa414b83f72e1880171540/FLAG020189d2f [2019-10-14 22:20:11,625 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:20:11,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2019-10-14 22:20:11,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dafe34695/29fc376286aa414b83f72e1880171540/FLAG020189d2f [2019-10-14 22:20:12,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dafe34695/29fc376286aa414b83f72e1880171540 [2019-10-14 22:20:12,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:20:12,190 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:20:12,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:20:12,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:20:12,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:20:12,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:20:12" (1/1) ... [2019-10-14 22:20:12,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db329ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:12, skipping insertion in model container [2019-10-14 22:20:12,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:20:12" (1/1) ... [2019-10-14 22:20:12,207 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:20:12,335 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:20:13,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:20:13,930 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:20:14,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:20:14,363 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:20:14,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:14 WrapperNode [2019-10-14 22:20:14,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:20:14,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:20:14,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:20:14,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:20:14,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:14" (1/1) ... [2019-10-14 22:20:14,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:14" (1/1) ... [2019-10-14 22:20:14,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:14" (1/1) ... [2019-10-14 22:20:14,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:14" (1/1) ... [2019-10-14 22:20:14,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:14" (1/1) ... [2019-10-14 22:20:14,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:14" (1/1) ... [2019-10-14 22:20:14,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:14" (1/1) ... [2019-10-14 22:20:14,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:20:14,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:20:14,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:20:14,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:20:14,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:14" (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 [2019-10-14 22:20:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:20:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:20:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 22:20:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2019-10-14 22:20:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-14 22:20:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-14 22:20:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-14 22:20:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-14 22:20:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-14 22:20:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-14 22:20:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-14 22:20:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-14 22:20:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-14 22:20:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-14 22:20:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 22:20:14,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 22:20:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 22:20:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 22:20:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 22:20:14,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 22:20:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 22:20:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 22:20:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-14 22:20:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-14 22:20:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_cloned [2019-10-14 22:20:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-10-14 22:20:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2019-10-14 22:20:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-14 22:20:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-10-14 22:20:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-10-14 22:20:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2019-10-14 22:20:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow_head [2019-10-14 22:20:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2019-10-14 22:20:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_hw_offload_capable [2019-10-14 22:20:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_insert_tag [2019-10-14 22:20:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_put_tag [2019-10-14 22:20:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2019-10-14 22:20:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_put_tag [2019-10-14 22:20:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_get_tag [2019-10-14 22:20:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_get_tag [2019-10-14 22:20:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_get_tag [2019-10-14 22:20:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_manage_power [2019-10-14 22:20:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_wdm_manage_power [2019-10-14 22:20:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_bind [2019-10-14 22:20:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_unbind [2019-10-14 22:20:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_tx_fixup [2019-10-14 22:20:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_process_dgram [2019-10-14 22:20:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_rx_fixup [2019-10-14 22:20:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_suspend [2019-10-14 22:20:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_resume [2019-10-14 22:20:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_driver_init [2019-10-14 22:20:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_driver_exit [2019-10-14 22:20:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2019-10-14 22:20:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_3 [2019-10-14 22:20:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-14 22:20:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:20:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_2 [2019-10-14 22:20:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_3 [2019-10-14 22:20:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_4 [2019-10-14 22:20:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_7 [2019-10-14 22:20:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_8 [2019-10-14 22:20:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-14 22:20:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-14 22:20:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-14 22:20:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-14 22:20:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-14 22:20:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-14 22:20:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-14 22:20:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-14 22:20:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-14 22:20:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-14 22:20:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-14 22:20:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-14 22:20:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-14 22:20:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-14 22:20:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-14 22:20:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-14 22:20:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 22:20:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-14 22:20:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-14 22:20:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-10-14 22:20:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-14 22:20:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-14 22:20:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_bind_common [2019-10-14 22:20:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_fill_tx_frame [2019-10-14 22:20:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_rx_verify_ndp16 [2019-10-14 22:20:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_rx_verify_nth16 [2019-10-14 22:20:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_select_altsetting [2019-10-14 22:20:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_unbind [2019-10-14 22:20:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-14 22:20:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-14 22:20:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 22:20:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-14 22:20:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2019-10-14 22:20:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-14 22:20:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-14 22:20:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-14 22:20:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cdc_wdm_register [2019-10-14 22:20:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-14 22:20:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-14 22:20:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2019-10-14 22:20:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2019-10-14 22:20:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2019-10-14 22:20:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2019-10-14 22:20:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2019-10-14 22:20:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 22:20:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 22:20:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 22:20:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 22:20:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-14 22:20:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-14 22:20:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:20:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 22:20:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-14 22:20:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 22:20:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-14 22:20:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-14 22:20:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-14 22:20:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-14 22:20:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-14 22:20:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-14 22:20:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-14 22:20:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-14 22:20:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-14 22:20:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 22:20:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-14 22:20:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-14 22:20:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-14 22:20:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-14 22:20:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-14 22:20:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-14 22:20:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_4 [2019-10-14 22:20:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_2 [2019-10-14 22:20:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_3 [2019-10-14 22:20:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-14 22:20:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_7 [2019-10-14 22:20:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-14 22:20:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_8 [2019-10-14 22:20:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-14 22:20:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-14 22:20:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-14 22:20:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 22:20:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 22:20:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:20:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 22:20:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 22:20:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 22:20:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 22:20:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 22:20:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 22:20:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 22:20:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 22:20:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 22:20:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 22:20:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 22:20:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 22:20:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-14 22:20:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2019-10-14 22:20:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_3 [2019-10-14 22:20:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-14 22:20:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-14 22:20:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2019-10-14 22:20:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-14 22:20:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 22:20:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_cloned [2019-10-14 22:20:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-14 22:20:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-14 22:20:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-14 22:20:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-10-14 22:20:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2019-10-14 22:20:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-14 22:20:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 22:20:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-10-14 22:20:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-10-14 22:20:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-10-14 22:20:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2019-10-14 22:20:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow_head [2019-10-14 22:20:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2019-10-14 22:20:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-14 22:20:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-14 22:20:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_hw_offload_capable [2019-10-14 22:20:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_insert_tag [2019-10-14 22:20:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-14 22:20:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_put_tag [2019-10-14 22:20:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2019-10-14 22:20:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_put_tag [2019-10-14 22:20:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_get_tag [2019-10-14 22:20:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_get_tag [2019-10-14 22:20:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_get_tag [2019-10-14 22:20:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2019-10-14 22:20:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2019-10-14 22:20:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2019-10-14 22:20:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2019-10-14 22:20:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2019-10-14 22:20:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cdc_wdm_register [2019-10-14 22:20:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_select_altsetting [2019-10-14 22:20:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_bind_common [2019-10-14 22:20:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_unbind [2019-10-14 22:20:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_fill_tx_frame [2019-10-14 22:20:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_rx_verify_nth16 [2019-10-14 22:20:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_rx_verify_ndp16 [2019-10-14 22:20:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_manage_power [2019-10-14 22:20:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 22:20:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 22:20:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 22:20:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_wdm_manage_power [2019-10-14 22:20:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_bind [2019-10-14 22:20:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_unbind [2019-10-14 22:20:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 22:20:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_tx_fixup [2019-10-14 22:20:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_process_dgram [2019-10-14 22:20:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-14 22:20:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 22:20:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_rx_fixup [2019-10-14 22:20:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_suspend [2019-10-14 22:20:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2019-10-14 22:20:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_resume [2019-10-14 22:20:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-14 22:20:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_driver_init [2019-10-14 22:20:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_driver_exit [2019-10-14 22:20:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 22:20:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 22:20:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:20:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-14 22:20:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-14 22:20:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-14 22:20:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-14 22:20:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-14 22:20:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-14 22:20:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-14 22:20:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-14 22:20:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-14 22:20:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-14 22:20:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-14 22:20:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-14 22:20:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-14 22:20:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 22:20:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-14 22:20:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 22:20:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 22:20:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:20:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 22:20:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 22:20:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:20:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-14 22:20:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-14 22:20:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-14 22:20:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-14 22:20:15,631 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 22:20:16,491 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-14 22:20:17,568 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:20:17,568 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 22:20:17,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:20:17 BoogieIcfgContainer [2019-10-14 22:20:17,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:20:17,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:20:17,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:20:17,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:20:17,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:20:12" (1/3) ... [2019-10-14 22:20:17,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8829e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:20:17, skipping insertion in model container [2019-10-14 22:20:17,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:14" (2/3) ... [2019-10-14 22:20:17,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8829e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:20:17, skipping insertion in model container [2019-10-14 22:20:17,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:20:17" (3/3) ... [2019-10-14 22:20:17,579 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2019-10-14 22:20:17,591 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:20:17,602 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:20:17,617 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:20:17,651 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:20:17,651 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:20:17,651 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:20:17,652 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:20:17,652 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:20:17,652 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:20:17,652 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:20:17,652 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:20:17,689 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states. [2019-10-14 22:20:17,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-14 22:20:17,705 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:20:17,707 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:20:17,709 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:20:17,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:20:17,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1060978159, now seen corresponding path program 1 times [2019-10-14 22:20:17,726 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:20:17,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637067474] [2019-10-14 22:20:17,727 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:20:17,727 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:20:17,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:20:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:19,201 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2019-10-14 22:20:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:19,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-14 22:20:19,524 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637067474] [2019-10-14 22:20:19,525 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:20:19,525 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 22:20:19,526 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826714389] [2019-10-14 22:20:19,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 22:20:19,533 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:20:19,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 22:20:19,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:20:19,553 INFO L87 Difference]: Start difference. First operand 766 states. Second operand 7 states. [2019-10-14 22:20:20,324 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2019-10-14 22:20:22,104 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2019-10-14 22:20:23,962 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2019-10-14 22:20:39,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:20:39,215 INFO L93 Difference]: Finished difference Result 2471 states and 3390 transitions. [2019-10-14 22:20:39,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-14 22:20:39,218 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-14 22:20:39,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:20:39,249 INFO L225 Difference]: With dead ends: 2471 [2019-10-14 22:20:39,249 INFO L226 Difference]: Without dead ends: 1729 [2019-10-14 22:20:39,267 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2019-10-14 22:20:39,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1729 states. [2019-10-14 22:20:39,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1729 to 1324. [2019-10-14 22:20:39,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1324 states. [2019-10-14 22:20:39,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1704 transitions. [2019-10-14 22:20:39,647 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1704 transitions. Word has length 56 [2019-10-14 22:20:39,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:20:39,648 INFO L462 AbstractCegarLoop]: Abstraction has 1324 states and 1704 transitions. [2019-10-14 22:20:39,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 22:20:39,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1704 transitions. [2019-10-14 22:20:39,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-14 22:20:39,656 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:20:39,657 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-10-14 22:20:39,657 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:20:39,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:20:39,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1505691106, now seen corresponding path program 1 times [2019-10-14 22:20:39,658 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:20:39,658 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029404325] [2019-10-14 22:20:39,658 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:20:39,658 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:20:39,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:20:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:40,588 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2019-10-14 22:20:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-14 22:20:40,881 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029404325] [2019-10-14 22:20:40,881 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151815996] [2019-10-14 22:20:40,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:20:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:41,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 1596 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-14 22:20:41,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:20:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-14 22:20:41,360 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 22:20:41,361 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 9 [2019-10-14 22:20:41,361 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958162202] [2019-10-14 22:20:41,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 22:20:41,363 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:20:41,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 22:20:41,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-14 22:20:41,364 INFO L87 Difference]: Start difference. First operand 1324 states and 1704 transitions. Second operand 4 states. [2019-10-14 22:20:41,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:20:41,859 INFO L93 Difference]: Finished difference Result 2642 states and 3415 transitions. [2019-10-14 22:20:41,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-14 22:20:41,860 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2019-10-14 22:20:41,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:20:41,871 INFO L225 Difference]: With dead ends: 2642 [2019-10-14 22:20:41,871 INFO L226 Difference]: Without dead ends: 1326 [2019-10-14 22:20:41,878 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-10-14 22:20:41,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2019-10-14 22:20:42,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1326. [2019-10-14 22:20:42,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2019-10-14 22:20:42,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1706 transitions. [2019-10-14 22:20:42,212 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1706 transitions. Word has length 72 [2019-10-14 22:20:42,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:20:42,213 INFO L462 AbstractCegarLoop]: Abstraction has 1326 states and 1706 transitions. [2019-10-14 22:20:42,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 22:20:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1706 transitions. [2019-10-14 22:20:42,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-14 22:20:42,220 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:20:42,220 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-10-14 22:20:42,427 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:20:42,428 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:20:42,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:20:42,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1186048466, now seen corresponding path program 1 times [2019-10-14 22:20:42,428 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:20:42,429 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868054774] [2019-10-14 22:20:42,429 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:20:42,429 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:20:42,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:20:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:43,365 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2019-10-14 22:20:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:43,707 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-14 22:20:43,707 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868054774] [2019-10-14 22:20:43,707 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707315874] [2019-10-14 22:20:43,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:20:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:44,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 1614 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 22:20:44,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:20:44,240 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-14 22:20:44,240 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 22:20:44,241 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 10 [2019-10-14 22:20:44,241 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567426816] [2019-10-14 22:20:44,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 22:20:44,242 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:20:44,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 22:20:44,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-14 22:20:44,243 INFO L87 Difference]: Start difference. First operand 1326 states and 1706 transitions. Second operand 10 states. [2019-10-14 22:20:44,914 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2019-10-14 22:20:46,171 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2019-10-14 22:20:46,875 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2019-10-14 22:20:47,628 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 336