java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:32:26,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:32:26,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:32:26,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:32:26,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:32:26,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:32:26,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:32:26,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:32:26,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:32:26,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:32:26,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:32:26,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:32:26,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:32:26,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:32:26,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:32:26,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:32:26,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:32:26,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:32:26,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:32:26,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:32:26,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:32:26,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:32:26,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:32:26,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:32:26,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:32:26,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:32:26,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:32:26,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:32:26,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:32:26,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:32:26,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:32:26,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:32:26,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:32:26,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:32:26,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:32:26,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:32:26,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:32:26,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:32:26,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:32:26,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:32:26,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:32:26,085 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:32:26,104 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:32:26,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:32:26,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:32:26,105 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:32:26,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:32:26,105 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:32:26,106 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:32:26,106 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:32:26,106 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:32:26,106 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:32:26,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:32:26,107 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:32:26,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:32:26,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:32:26,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:32:26,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:32:26,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:32:26,108 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:32:26,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:32:26,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:32:26,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:32:26,109 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:32:26,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:32:26,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:32:26,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:32:26,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:32:26,110 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:32:26,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:32:26,111 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:32:26,111 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:32:26,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:32:26,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:32:26,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:32:26,167 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:32:26,168 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:32:26,168 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2019-09-20 13:32:26,225 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c721b041b/5a1f2dead92e45b292b31a45e3efed41/FLAGf71386db9 [2019-09-20 13:32:26,958 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:32:26,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2019-09-20 13:32:27,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c721b041b/5a1f2dead92e45b292b31a45e3efed41/FLAGf71386db9 [2019-09-20 13:32:27,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c721b041b/5a1f2dead92e45b292b31a45e3efed41 [2019-09-20 13:32:27,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:32:27,100 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:32:27,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:32:27,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:32:27,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:32:27,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:32:27" (1/1) ... [2019-09-20 13:32:27,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f67533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:27, skipping insertion in model container [2019-09-20 13:32:27,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:32:27" (1/1) ... [2019-09-20 13:32:27,115 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:32:27,205 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:32:28,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:32:28,452 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:32:28,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:32:28,957 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:32:28,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:28 WrapperNode [2019-09-20 13:32:28,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:32:28,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:32:28,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:32:28,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:32:28,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:28" (1/1) ... [2019-09-20 13:32:28,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:28" (1/1) ... [2019-09-20 13:32:29,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:28" (1/1) ... [2019-09-20 13:32:29,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:28" (1/1) ... [2019-09-20 13:32:29,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:28" (1/1) ... [2019-09-20 13:32:29,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:28" (1/1) ... [2019-09-20 13:32:29,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:28" (1/1) ... [2019-09-20 13:32:29,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:32:29,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:32:29,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:32:29,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:32:29,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:32:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:32:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:32:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-09-20 13:32:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:32:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-09-20 13:32:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2019-09-20 13:32:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-09-20 13:32:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-20 13:32:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-20 13:32:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-20 13:32:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-20 13:32:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:32:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_reset [2019-09-20 13:32:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_strobe_ck [2019-09-20 13:32:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_ar [2019-09-20 13:32:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_ar [2019-09-20 13:32:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_dr [2019-09-20 13:32:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_dr [2019-09-20 13:32:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_in_busy [2019-09-20 13:32:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_out_ready [2019-09-20 13:32:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_name [2019-09-20 13:32:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_flash_blocks_num [2019-09-20 13:32:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_flash_block_size [2019-09-20 13:32:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_flash_size [2019-09-20 13:32:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_access [2019-09-20 13:32:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_store_access [2019-09-20 13:32:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_store_reset [2019-09-20 13:32:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_show_dev_id [2019-09-20 13:32:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_dev_id [2019-09-20 13:32:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_show_rev_id [2019-09-20 13:32:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_rev_id [2019-09-20 13:32:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_flash_access [2019-09-20 13:32:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_store_flash_access [2019-09-20 13:32:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_store_flash_access [2019-09-20 13:32:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_write_flash_erase [2019-09-20 13:32:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_store_flash_erase [2019-09-20 13:32:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_read_flash_data [2019-09-20 13:32:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_flash_data [2019-09-20 13:32:29,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_write_flash_data [2019-09-20 13:32:29,392 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_flash_data [2019-09-20 13:32:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_device_register [2019-09-20 13:32:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_device_unregister [2019-09-20 13:32:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_init [2019-09-20 13:32:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_exit [2019-09-20 13:32:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-09-20 13:32:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-09-20 13:32:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:32:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 13:32:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-09-20 13:32:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-20 13:32:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-20 13:32:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 13:32:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 13:32:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:32:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-09-20 13:32:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-20 13:32:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:32:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-20 13:32:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-20 13:32:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-20 13:32:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-20 13:32:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-09-20 13:32:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:32:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:32:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:32:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-09-20 13:32:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2019-09-20 13:32:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-09-20 13:32:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2019-09-20 13:32:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_get_new [2019-09-20 13:32:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_pre_get [2019-09-20 13:32:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-09-20 13:32:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:32:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-09-20 13:32:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-20 13:32:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:32:29,403 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:32:29,403 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-09-20 13:32:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-09-20 13:32:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:32:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:32:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:32:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:32:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 13:32:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-20 13:32:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-09-20 13:32:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-09-20 13:32:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:32:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2019-09-20 13:32:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-09-20 13:32:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-09-20 13:32:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-09-20 13:32:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-20 13:32:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-20 13:32:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-20 13:32:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-20 13:32:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-20 13:32:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-20 13:32:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-20 13:32:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-20 13:32:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:32:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:32:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-09-20 13:32:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-09-20 13:32:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-09-20 13:32:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-09-20 13:32:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2019-09-20 13:32:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2019-09-20 13:32:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:32:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:32:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-09-20 13:32:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-09-20 13:32:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:32:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-20 13:32:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-20 13:32:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure idr_pre_get [2019-09-20 13:32:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure idr_get_new [2019-09-20 13:32:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-09-20 13:32:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:32:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:32:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_device_register [2019-09-20 13:32:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_device_unregister [2019-09-20 13:32:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:32:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_reset [2019-09-20 13:32:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-09-20 13:32:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_strobe_ck [2019-09-20 13:32:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_ar [2019-09-20 13:32:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_ar [2019-09-20 13:32:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:32:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:32:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:32:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_dr [2019-09-20 13:32:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_dr [2019-09-20 13:32:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_in_busy [2019-09-20 13:32:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:32:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_out_ready [2019-09-20 13:32:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_name [2019-09-20 13:32:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_flash_blocks_num [2019-09-20 13:32:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_flash_block_size [2019-09-20 13:32:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_flash_size [2019-09-20 13:32:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_access [2019-09-20 13:32:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_store_access [2019-09-20 13:32:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_store_reset [2019-09-20 13:32:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_show_dev_id [2019-09-20 13:32:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_dev_id [2019-09-20 13:32:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_show_rev_id [2019-09-20 13:32:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_rev_id [2019-09-20 13:32:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_flash_access [2019-09-20 13:32:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_store_flash_access [2019-09-20 13:32:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_store_flash_access [2019-09-20 13:32:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_write_flash_erase [2019-09-20 13:32:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_store_flash_erase [2019-09-20 13:32:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_read_flash_data [2019-09-20 13:32:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_flash_data [2019-09-20 13:32:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_write_flash_data [2019-09-20 13:32:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_flash_data [2019-09-20 13:32:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:32:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_init [2019-09-20 13:32:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_exit [2019-09-20 13:32:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:32:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:32:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:32:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:32:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 13:32:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-09-20 13:32:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 13:32:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 13:32:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-20 13:32:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-20 13:32:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-09-20 13:32:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:32:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:32:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:32:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:32:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:32:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:32:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:32:30,356 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:32:30,380 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 13:32:30,380 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 13:32:31,165 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-09-20 13:32:32,061 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:32:32,062 INFO L283 CfgBuilder]: Removed 28 assume(true) statements. [2019-09-20 13:32:32,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:32:32 BoogieIcfgContainer [2019-09-20 13:32:32,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:32:32,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:32:32,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:32:32,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:32:32,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:32:27" (1/3) ... [2019-09-20 13:32:32,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41993d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:32:32, skipping insertion in model container [2019-09-20 13:32:32,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:28" (2/3) ... [2019-09-20 13:32:32,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41993d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:32:32, skipping insertion in model container [2019-09-20 13:32:32,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:32:32" (3/3) ... [2019-09-20 13:32:32,071 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2019-09-20 13:32:32,081 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:32:32,089 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:32:32,106 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:32:32,133 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:32:32,134 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:32:32,134 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:32:32,134 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:32:32,134 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:32:32,134 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:32:32,134 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:32:32,135 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:32:32,173 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states. [2019-09-20 13:32:32,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-09-20 13:32:32,183 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:32,184 INFO L407 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] [2019-09-20 13:32:32,188 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:32,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:32,194 INFO L82 PathProgramCache]: Analyzing trace with hash 901334213, now seen corresponding path program 1 times [2019-09-20 13:32:32,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:32,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:32,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:32,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:32,284 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:32:32,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:32,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:32:32,867 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:32,874 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:32:32,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:32:32,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:32:32,897 INFO L87 Difference]: Start difference. First operand 719 states. Second operand 5 states. [2019-09-20 13:32:33,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:33,060 INFO L93 Difference]: Finished difference Result 423 states and 577 transitions. [2019-09-20 13:32:33,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:32:33,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-09-20 13:32:33,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:33,092 INFO L225 Difference]: With dead ends: 423 [2019-09-20 13:32:33,092 INFO L226 Difference]: Without dead ends: 409 [2019-09-20 13:32:33,096 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:32:33,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-09-20 13:32:33,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 408. [2019-09-20 13:32:33,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2019-09-20 13:32:33,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 559 transitions. [2019-09-20 13:32:33,192 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 559 transitions. Word has length 30 [2019-09-20 13:32:33,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:33,196 INFO L475 AbstractCegarLoop]: Abstraction has 408 states and 559 transitions. [2019-09-20 13:32:33,196 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:32:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 559 transitions. [2019-09-20 13:32:33,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-09-20 13:32:33,198 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:33,198 INFO L407 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] [2019-09-20 13:32:33,199 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:33,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:33,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1586178620, now seen corresponding path program 1 times [2019-09-20 13:32:33,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:33,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:33,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:33,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:33,209 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:32:33,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:33,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:32:33,344 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:33,346 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:32:33,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:32:33,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:32:33,347 INFO L87 Difference]: Start difference. First operand 408 states and 559 transitions. Second operand 3 states. [2019-09-20 13:32:33,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:33,377 INFO L93 Difference]: Finished difference Result 407 states and 557 transitions. [2019-09-20 13:32:33,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:32:33,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-09-20 13:32:33,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:33,381 INFO L225 Difference]: With dead ends: 407 [2019-09-20 13:32:33,381 INFO L226 Difference]: Without dead ends: 407 [2019-09-20 13:32:33,382 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:32:33,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-09-20 13:32:33,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2019-09-20 13:32:33,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-09-20 13:32:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 557 transitions. [2019-09-20 13:32:33,421 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 557 transitions. Word has length 30 [2019-09-20 13:32:33,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:33,421 INFO L475 AbstractCegarLoop]: Abstraction has 407 states and 557 transitions. [2019-09-20 13:32:33,421 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:32:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 557 transitions. [2019-09-20 13:32:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-09-20 13:32:33,423 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:33,423 INFO L407 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] [2019-09-20 13:32:33,423 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:33,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:33,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1927427147, now seen corresponding path program 1 times [2019-09-20 13:32:33,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:33,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:33,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:33,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:33,431 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:33,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:32:33,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:33,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:32:33,558 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:33,558 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:32:33,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:32:33,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:32:33,559 INFO L87 Difference]: Start difference. First operand 407 states and 557 transitions. Second operand 3 states. [2019-09-20 13:32:33,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:33,575 INFO L93 Difference]: Finished difference Result 404 states and 554 transitions. [2019-09-20 13:32:33,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:32:33,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-09-20 13:32:33,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:33,576 INFO L225 Difference]: With dead ends: 404 [2019-09-20 13:32:33,576 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:32:33,577 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:32:33,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:32:33,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:32:33,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:32:33,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:32:33,578 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2019-09-20 13:32:33,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:33,578 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:32:33,578 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:32:33,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:32:33,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:32:33,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:32:33 BoogieIcfgContainer [2019-09-20 13:32:33,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:32:33,587 INFO L168 Benchmark]: Toolchain (without parser) took 6485.88 ms. Allocated memory was 134.7 MB in the beginning and 346.0 MB in the end (delta: 211.3 MB). Free memory was 83.1 MB in the beginning and 127.0 MB in the end (delta: -44.0 MB). Peak memory consumption was 167.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:32:33,588 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:32:33,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1857.52 ms. Allocated memory was 134.7 MB in the beginning and 231.2 MB in the end (delta: 96.5 MB). Free memory was 82.7 MB in the beginning and 103.0 MB in the end (delta: -20.4 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:32:33,589 INFO L168 Benchmark]: Boogie Preprocessor took 234.89 ms. Allocated memory is still 231.2 MB. Free memory was 103.0 MB in the beginning and 90.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:32:33,590 INFO L168 Benchmark]: RCFGBuilder took 2869.81 ms. Allocated memory was 231.2 MB in the beginning and 346.0 MB in the end (delta: 114.8 MB). Free memory was 90.0 MB in the beginning and 260.6 MB in the end (delta: -170.6 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:32:33,591 INFO L168 Benchmark]: TraceAbstraction took 1519.28 ms. Allocated memory is still 346.0 MB. Free memory was 260.6 MB in the beginning and 127.0 MB in the end (delta: 133.6 MB). Peak memory consumption was 133.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:32:33,595 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1857.52 ms. Allocated memory was 134.7 MB in the beginning and 231.2 MB in the end (delta: 96.5 MB). Free memory was 82.7 MB in the beginning and 103.0 MB in the end (delta: -20.4 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 234.89 ms. Allocated memory is still 231.2 MB. Free memory was 103.0 MB in the beginning and 90.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2869.81 ms. Allocated memory was 231.2 MB in the beginning and 346.0 MB in the end (delta: 114.8 MB). Free memory was 90.0 MB in the beginning and 260.6 MB in the end (delta: -170.6 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1519.28 ms. Allocated memory is still 346.0 MB. Free memory was 260.6 MB in the beginning and 127.0 MB in the end (delta: 133.6 MB). Peak memory consumption was 133.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5271]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 81 procedures, 808 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1673 SDtfs, 1094 SDslu, 1694 SDs, 0 SdLazy, 11 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=719occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 4054 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...