/usr/bin/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-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 19:44:12,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 19:44:12,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 19:44:12,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 19:44:12,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 19:44:12,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 19:44:12,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 19:44:12,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 19:44:12,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 19:44:12,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 19:44:12,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 19:44:12,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 19:44:12,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 19:44:12,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 19:44:12,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 19:44:12,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 19:44:12,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 19:44:12,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 19:44:12,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 19:44:12,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 19:44:12,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 19:44:12,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 19:44:12,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 19:44:12,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 19:44:12,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 19:44:12,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 19:44:12,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 19:44:12,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 19:44:12,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 19:44:12,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 19:44:12,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 19:44:12,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 19:44:12,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 19:44:12,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 19:44:12,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 19:44:12,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 19:44:12,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 19:44:12,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 19:44:12,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 19:44:12,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 19:44:12,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 19:44:12,497 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 [2019-11-06 19:44:12,525 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 19:44:12,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 19:44:12,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 19:44:12,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 19:44:12,529 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 19:44:12,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 19:44:12,530 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 19:44:12,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 19:44:12,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 19:44:12,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 19:44:12,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 19:44:12,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 19:44:12,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 19:44:12,531 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 19:44:12,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 19:44:12,531 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 19:44:12,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 19:44:12,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 19:44:12,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 19:44:12,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 19:44:12,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 19:44:12,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:44:12,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 19:44:12,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 19:44:12,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 19:44:12,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 19:44:12,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 19:44:12,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 19:44:12,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 19:44:12,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 19:44:12,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 19:44:12,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 19:44:12,828 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 19:44:12,829 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 19:44:12,829 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2019-11-06 19:44:12,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16167cb0e/f3c71a68df834848a4c3d334533c9de9/FLAGe89de82d0 [2019-11-06 19:44:13,627 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 19:44:13,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2019-11-06 19:44:13,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16167cb0e/f3c71a68df834848a4c3d334533c9de9/FLAGe89de82d0 [2019-11-06 19:44:13,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16167cb0e/f3c71a68df834848a4c3d334533c9de9 [2019-11-06 19:44:13,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 19:44:13,737 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 19:44:13,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 19:44:13,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 19:44:13,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 19:44:13,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:44:13" (1/1) ... [2019-11-06 19:44:13,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cec1a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:13, skipping insertion in model container [2019-11-06 19:44:13,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:44:13" (1/1) ... [2019-11-06 19:44:13,752 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 19:44:13,841 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 19:44:15,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:44:15,222 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 19:44:15,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:44:15,608 INFO L192 MainTranslator]: Completed translation [2019-11-06 19:44:15,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:15 WrapperNode [2019-11-06 19:44:15,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 19:44:15,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 19:44:15,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 19:44:15,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 19:44:15,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:15" (1/1) ... [2019-11-06 19:44:15,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:15" (1/1) ... [2019-11-06 19:44:15,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:15" (1/1) ... [2019-11-06 19:44:15,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:15" (1/1) ... [2019-11-06 19:44:15,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:15" (1/1) ... [2019-11-06 19:44:15,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:15" (1/1) ... [2019-11-06 19:44:15,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:15" (1/1) ... [2019-11-06 19:44:15,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 19:44:15,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 19:44:15,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 19:44:15,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 19:44:15,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:15" (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 [2019-11-06 19:44:15,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 19:44:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 19:44:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-11-06 19:44:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-06 19:44:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-11-06 19:44:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2019-11-06 19:44:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-11-06 19:44:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-06 19:44:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 19:44:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-11-06 19:44:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-11-06 19:44:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 19:44:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_reset [2019-11-06 19:44:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_strobe_ck [2019-11-06 19:44:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_ar [2019-11-06 19:44:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_ar [2019-11-06 19:44:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_dr [2019-11-06 19:44:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_dr [2019-11-06 19:44:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_in_busy [2019-11-06 19:44:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_out_ready [2019-11-06 19:44:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_name [2019-11-06 19:44:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_flash_blocks_num [2019-11-06 19:44:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_flash_block_size [2019-11-06 19:44:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_flash_size [2019-11-06 19:44:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_access [2019-11-06 19:44:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_store_access [2019-11-06 19:44:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_store_reset [2019-11-06 19:44:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_show_dev_id [2019-11-06 19:44:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_dev_id [2019-11-06 19:44:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_show_rev_id [2019-11-06 19:44:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_rev_id [2019-11-06 19:44:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_flash_access [2019-11-06 19:44:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_store_flash_access [2019-11-06 19:44:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_store_flash_access [2019-11-06 19:44:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_write_flash_erase [2019-11-06 19:44:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_store_flash_erase [2019-11-06 19:44:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_read_flash_data [2019-11-06 19:44:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_flash_data [2019-11-06 19:44:15,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_write_flash_data [2019-11-06 19:44:15,941 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_flash_data [2019-11-06 19:44:15,941 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_device_register [2019-11-06 19:44:15,941 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_device_unregister [2019-11-06 19:44:15,941 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_init [2019-11-06 19:44:15,941 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_exit [2019-11-06 19:44:15,942 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-11-06 19:44:15,942 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-11-06 19:44:15,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 19:44:15,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-11-06 19:44:15,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-11-06 19:44:15,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-11-06 19:44:15,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-11-06 19:44:15,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-11-06 19:44:15,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-11-06 19:44:15,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 19:44:15,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-11-06 19:44:15,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-11-06 19:44:15,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 19:44:15,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-06 19:44:15,944 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-11-06 19:44:15,944 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-11-06 19:44:15,944 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-11-06 19:44:15,944 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-11-06 19:44:15,944 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-06 19:44:15,944 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 19:44:15,944 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 19:44:15,945 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-11-06 19:44:15,945 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2019-11-06 19:44:15,945 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-11-06 19:44:15,945 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2019-11-06 19:44:15,945 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_get_new [2019-11-06 19:44:15,945 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_pre_get [2019-11-06 19:44:15,946 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-11-06 19:44:15,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 19:44:15,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-11-06 19:44:15,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-06 19:44:15,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 19:44:15,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 19:44:15,947 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-11-06 19:44:15,947 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-11-06 19:44:15,947 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 19:44:15,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 19:44:15,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 19:44:15,948 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 19:44:15,948 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-06 19:44:15,948 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-11-06 19:44:15,948 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-11-06 19:44:15,948 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-11-06 19:44:15,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 19:44:15,948 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2019-11-06 19:44:15,949 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-11-06 19:44:15,949 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-11-06 19:44:15,949 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-11-06 19:44:15,949 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-06 19:44:15,949 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 19:44:15,949 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-11-06 19:44:15,949 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-11-06 19:44:15,950 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-11-06 19:44:15,950 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-11-06 19:44:15,950 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-06 19:44:15,950 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-06 19:44:15,950 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 19:44:15,950 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 19:44:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-11-06 19:44:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-11-06 19:44:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-11-06 19:44:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-11-06 19:44:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2019-11-06 19:44:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2019-11-06 19:44:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 19:44:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 19:44:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-11-06 19:44:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-11-06 19:44:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-06 19:44:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-11-06 19:44:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-11-06 19:44:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure idr_pre_get [2019-11-06 19:44:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure idr_get_new [2019-11-06 19:44:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-11-06 19:44:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 19:44:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 19:44:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_device_register [2019-11-06 19:44:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_device_unregister [2019-11-06 19:44:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 19:44:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_reset [2019-11-06 19:44:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-11-06 19:44:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_strobe_ck [2019-11-06 19:44:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_ar [2019-11-06 19:44:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_ar [2019-11-06 19:44:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-06 19:44:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 19:44:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 19:44:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_dr [2019-11-06 19:44:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_dr [2019-11-06 19:44:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_in_busy [2019-11-06 19:44:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 19:44:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_out_ready [2019-11-06 19:44:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_name [2019-11-06 19:44:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_flash_blocks_num [2019-11-06 19:44:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_flash_block_size [2019-11-06 19:44:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_flash_size [2019-11-06 19:44:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_access [2019-11-06 19:44:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_store_access [2019-11-06 19:44:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_store_reset [2019-11-06 19:44:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_show_dev_id [2019-11-06 19:44:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_dev_id [2019-11-06 19:44:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_show_rev_id [2019-11-06 19:44:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_rev_id [2019-11-06 19:44:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_flash_access [2019-11-06 19:44:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_store_flash_access [2019-11-06 19:44:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_store_flash_access [2019-11-06 19:44:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_write_flash_erase [2019-11-06 19:44:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_store_flash_erase [2019-11-06 19:44:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_read_flash_data [2019-11-06 19:44:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_flash_data [2019-11-06 19:44:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_write_flash_data [2019-11-06 19:44:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_flash_data [2019-11-06 19:44:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 19:44:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_init [2019-11-06 19:44:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_exit [2019-11-06 19:44:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 19:44:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 19:44:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 19:44:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 19:44:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-11-06 19:44:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-11-06 19:44:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-11-06 19:44:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-11-06 19:44:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-11-06 19:44:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-11-06 19:44:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-11-06 19:44:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 19:44:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 19:44:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 19:44:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 19:44:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 19:44:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 19:44:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 19:44:16,762 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-06 19:44:16,791 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-11-06 19:44:16,791 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-11-06 19:44:17,476 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-11-06 19:44:18,428 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 19:44:18,428 INFO L284 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-06 19:44:18,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:44:18 BoogieIcfgContainer [2019-11-06 19:44:18,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 19:44:18,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 19:44:18,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 19:44:18,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 19:44:18,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:44:13" (1/3) ... [2019-11-06 19:44:18,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185c54ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:44:18, skipping insertion in model container [2019-11-06 19:44:18,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:15" (2/3) ... [2019-11-06 19:44:18,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185c54ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:44:18, skipping insertion in model container [2019-11-06 19:44:18,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:44:18" (3/3) ... [2019-11-06 19:44:18,438 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2019-11-06 19:44:18,448 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 19:44:18,458 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 19:44:18,471 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 19:44:18,501 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 19:44:18,502 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 19:44:18,502 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 19:44:18,502 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 19:44:18,502 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 19:44:18,502 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 19:44:18,502 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 19:44:18,502 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 19:44:18,537 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states. [2019-11-06 19:44:18,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-06 19:44:18,544 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:44:18,545 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:44:18,547 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:44:18,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:44:18,554 INFO L82 PathProgramCache]: Analyzing trace with hash 901334213, now seen corresponding path program 1 times [2019-11-06 19:44:18,563 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:44:18,564 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489513804] [2019-11-06 19:44:18,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:44:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:20,198 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2019-11-06 19:44:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:44:20,353 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489513804] [2019-11-06 19:44:20,354 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:44:20,355 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 19:44:20,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878759273] [2019-11-06 19:44:20,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 19:44:20,362 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:44:20,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 19:44:20,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:44:20,380 INFO L87 Difference]: Start difference. First operand 719 states. Second operand 7 states. [2019-11-06 19:44:21,174 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2019-11-06 19:44:29,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:44:29,918 INFO L93 Difference]: Finished difference Result 843 states and 1314 transitions. [2019-11-06 19:44:29,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 19:44:29,924 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2019-11-06 19:44:29,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:44:29,945 INFO L225 Difference]: With dead ends: 843 [2019-11-06 19:44:29,945 INFO L226 Difference]: Without dead ends: 435 [2019-11-06 19:44:29,958 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-06 19:44:29,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2019-11-06 19:44:30,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 408. [2019-11-06 19:44:30,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2019-11-06 19:44:30,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 559 transitions. [2019-11-06 19:44:30,131 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 559 transitions. Word has length 30 [2019-11-06 19:44:30,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:44:30,132 INFO L462 AbstractCegarLoop]: Abstraction has 408 states and 559 transitions. [2019-11-06 19:44:30,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 19:44:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 559 transitions. [2019-11-06 19:44:30,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-06 19:44:30,134 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:44:30,134 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:44:30,134 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:44:30,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:44:30,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1586178620, now seen corresponding path program 1 times [2019-11-06 19:44:30,135 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:44:30,135 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656723056] [2019-11-06 19:44:30,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:44:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:30,972 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2019-11-06 19:44:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:44:31,174 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656723056] [2019-11-06 19:44:31,181 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:44:31,181 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 19:44:31,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528732229] [2019-11-06 19:44:31,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 19:44:31,191 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:44:31,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 19:44:31,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:44:31,192 INFO L87 Difference]: Start difference. First operand 408 states and 559 transitions. Second operand 5 states. [2019-11-06 19:44:31,908 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2019-11-06 19:44:33,790 WARN L191 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2019-11-06 19:44:37,179 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2019-11-06 19:44:39,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:44:39,417 INFO L93 Difference]: Finished difference Result 436 states and 595 transitions. [2019-11-06 19:44:39,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 19:44:39,420 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-06 19:44:39,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:44:39,426 INFO L225 Difference]: With dead ends: 436 [2019-11-06 19:44:39,426 INFO L226 Difference]: Without dead ends: 433 [2019-11-06 19:44:39,427 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-06 19:44:39,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-11-06 19:44:39,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 407. [2019-11-06 19:44:39,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-11-06 19:44:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 557 transitions. [2019-11-06 19:44:39,566 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 557 transitions. Word has length 30 [2019-11-06 19:44:39,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:44:39,567 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 557 transitions. [2019-11-06 19:44:39,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 19:44:39,567 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 557 transitions. [2019-11-06 19:44:39,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-06 19:44:39,568 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:44:39,568 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:44:39,569 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:44:39,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:44:39,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1927427147, now seen corresponding path program 1 times [2019-11-06 19:44:39,569 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:44:39,570 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494874957] [2019-11-06 19:44:39,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:44:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:40,296 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2019-11-06 19:44:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:44:40,418 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494874957] [2019-11-06 19:44:40,419 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:44:40,419 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 19:44:40,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557444879] [2019-11-06 19:44:40,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 19:44:40,420 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:44:40,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 19:44:40,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:44:40,421 INFO L87 Difference]: Start difference. First operand 407 states and 557 transitions. Second operand 5 states. [2019-11-06 19:44:41,141 WARN L191 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2019-11-06 19:44:42,581 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2019-11-06 19:44:45,875 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2019-11-06 19:44:48,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:44:48,195 INFO L93 Difference]: Finished difference Result 433 states and 592 transitions. [2019-11-06 19:44:48,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 19:44:48,195 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-06 19:44:48,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:44:48,196 INFO L225 Difference]: With dead ends: 433 [2019-11-06 19:44:48,197 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 19:44:48,201 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-06 19:44:48,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 19:44:48,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 19:44:48,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 19:44:48,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 19:44:48,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2019-11-06 19:44:48,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:44:48,202 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 19:44:48,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 19:44:48,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 19:44:48,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 19:44:48,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.