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 0.1.24-673a906-m [2019-10-02 23:37:04,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 23:37:04,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 23:37:04,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 23:37:04,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 23:37:04,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 23:37:04,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 23:37:04,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 23:37:04,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 23:37:04,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 23:37:04,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 23:37:04,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 23:37:04,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 23:37:04,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 23:37:04,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 23:37:04,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 23:37:04,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 23:37:04,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 23:37:04,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 23:37:04,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 23:37:04,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 23:37:04,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 23:37:04,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 23:37:04,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 23:37:04,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 23:37:04,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 23:37:04,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 23:37:04,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 23:37:04,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 23:37:04,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 23:37:04,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 23:37:04,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 23:37:04,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 23:37:04,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 23:37:04,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 23:37:04,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 23:37:04,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 23:37:04,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 23:37:04,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 23:37:04,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 23:37:04,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 23:37:04,123 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 [2019-10-02 23:37:04,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 23:37:04,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 23:37:04,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-02 23:37:04,138 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-02 23:37:04,139 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-02 23:37:04,139 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-02 23:37:04,139 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-02 23:37:04,139 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-02 23:37:04,139 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-02 23:37:04,140 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-02 23:37:04,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 23:37:04,141 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 23:37:04,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 23:37:04,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 23:37:04,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 23:37:04,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 23:37:04,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 23:37:04,142 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 23:37:04,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 23:37:04,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 23:37:04,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 23:37:04,142 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-02 23:37:04,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 23:37:04,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:37:04,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 23:37:04,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 23:37:04,143 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-02 23:37:04,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 23:37:04,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 23:37:04,144 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-02 23:37:04,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 23:37:04,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 23:37:04,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 23:37:04,189 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 23:37:04,190 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 23:37:04,191 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2019-10-02 23:37:04,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7475cee32/29f3470bdcd543c3a479d0d77f62afe5/FLAG1ebe337ae [2019-10-02 23:37:04,961 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 23:37:04,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2019-10-02 23:37:05,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7475cee32/29f3470bdcd543c3a479d0d77f62afe5/FLAG1ebe337ae [2019-10-02 23:37:05,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7475cee32/29f3470bdcd543c3a479d0d77f62afe5 [2019-10-02 23:37:05,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 23:37:05,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 23:37:05,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 23:37:05,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 23:37:05,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 23:37:05,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:37:05" (1/1) ... [2019-10-02 23:37:05,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a415c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:05, skipping insertion in model container [2019-10-02 23:37:05,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:37:05" (1/1) ... [2019-10-02 23:37:05,167 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 23:37:05,282 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 23:37:06,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:37:06,459 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 23:37:06,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:37:06,753 INFO L192 MainTranslator]: Completed translation [2019-10-02 23:37:06,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:06 WrapperNode [2019-10-02 23:37:06,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 23:37:06,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 23:37:06,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 23:37:06,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 23:37:06,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:06" (1/1) ... [2019-10-02 23:37:06,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:06" (1/1) ... [2019-10-02 23:37:06,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:06" (1/1) ... [2019-10-02 23:37:06,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:06" (1/1) ... [2019-10-02 23:37:06,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:06" (1/1) ... [2019-10-02 23:37:06,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:06" (1/1) ... [2019-10-02 23:37:06,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:06" (1/1) ... [2019-10-02 23:37:06,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 23:37:06,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 23:37:06,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 23:37:06,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 23:37:06,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:37:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 23:37:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 23:37:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-02 23:37:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-02 23:37:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-02 23:37:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2019-10-02 23:37:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-02 23:37:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-02 23:37:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-02 23:37:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-02 23:37:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-02 23:37:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 23:37:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_reset [2019-10-02 23:37:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_strobe_ck [2019-10-02 23:37:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_ar [2019-10-02 23:37:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_ar [2019-10-02 23:37:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_dr [2019-10-02 23:37:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_dr [2019-10-02 23:37:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_in_busy [2019-10-02 23:37:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_out_ready [2019-10-02 23:37:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_name [2019-10-02 23:37:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_flash_blocks_num [2019-10-02 23:37:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_flash_block_size [2019-10-02 23:37:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_flash_size [2019-10-02 23:37:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_access [2019-10-02 23:37:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_store_access [2019-10-02 23:37:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_store_reset [2019-10-02 23:37:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_show_dev_id [2019-10-02 23:37:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_dev_id [2019-10-02 23:37:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_show_rev_id [2019-10-02 23:37:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_rev_id [2019-10-02 23:37:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_show_flash_access [2019-10-02 23:37:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_store_flash_access [2019-10-02 23:37:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_store_flash_access [2019-10-02 23:37:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_write_flash_erase [2019-10-02 23:37:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_store_flash_erase [2019-10-02 23:37:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_read_flash_data [2019-10-02 23:37:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_flash_data [2019-10-02 23:37:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __c2port_write_flash_data [2019-10-02 23:37:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_flash_data [2019-10-02 23:37:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_device_register [2019-10-02 23:37:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_device_unregister [2019-10-02 23:37:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_init [2019-10-02 23:37:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_exit [2019-10-02 23:37:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-10-02 23:37:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-10-02 23:37:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 23:37:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-02 23:37:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-10-02 23:37:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-02 23:37:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-02 23:37:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-02 23:37:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-02 23:37:07,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 23:37:07,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-10-02 23:37:07,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-02 23:37:07,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 23:37:07,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-02 23:37:07,066 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-02 23:37:07,067 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-02 23:37:07,067 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-02 23:37:07,067 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-02 23:37:07,067 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 23:37:07,067 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 23:37:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 23:37:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-02 23:37:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2019-10-02 23:37:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-02 23:37:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2019-10-02 23:37:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_get_new [2019-10-02 23:37:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_pre_get [2019-10-02 23:37:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-10-02 23:37:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 23:37:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-10-02 23:37:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-02 23:37:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 23:37:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 23:37:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-02 23:37:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-02 23:37:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 23:37:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 23:37:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 23:37:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 23:37:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-02 23:37:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-02 23:37:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-10-02 23:37:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-02 23:37:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 23:37:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2019-10-02 23:37:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-02 23:37:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-02 23:37:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-02 23:37:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-02 23:37:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-02 23:37:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-02 23:37:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-02 23:37:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-02 23:37:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-02 23:37:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-02 23:37:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-02 23:37:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 23:37:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 23:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-10-02 23:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-10-02 23:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-10-02 23:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-02 23:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2019-10-02 23:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2019-10-02 23:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 23:37:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 23:37:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-02 23:37:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-02 23:37:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 23:37:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-02 23:37:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-02 23:37:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure idr_pre_get [2019-10-02 23:37:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure idr_get_new [2019-10-02 23:37:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-10-02 23:37:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 23:37:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 23:37:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_device_register [2019-10-02 23:37:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_device_unregister [2019-10-02 23:37:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 23:37:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_reset [2019-10-02 23:37:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-02 23:37:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_strobe_ck [2019-10-02 23:37:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_ar [2019-10-02 23:37:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_ar [2019-10-02 23:37:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-02 23:37:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 23:37:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 23:37:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_dr [2019-10-02 23:37:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_dr [2019-10-02 23:37:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_in_busy [2019-10-02 23:37:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 23:37:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_out_ready [2019-10-02 23:37:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_name [2019-10-02 23:37:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_flash_blocks_num [2019-10-02 23:37:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_flash_block_size [2019-10-02 23:37:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_flash_size [2019-10-02 23:37:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_access [2019-10-02 23:37:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_store_access [2019-10-02 23:37:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_store_reset [2019-10-02 23:37:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_show_dev_id [2019-10-02 23:37:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_dev_id [2019-10-02 23:37:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_show_rev_id [2019-10-02 23:37:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_rev_id [2019-10-02 23:37:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_show_flash_access [2019-10-02 23:37:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_store_flash_access [2019-10-02 23:37:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_store_flash_access [2019-10-02 23:37:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_write_flash_erase [2019-10-02 23:37:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_store_flash_erase [2019-10-02 23:37:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_read_flash_data [2019-10-02 23:37:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_flash_data [2019-10-02 23:37:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure __c2port_write_flash_data [2019-10-02 23:37:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_flash_data [2019-10-02 23:37:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 23:37:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_init [2019-10-02 23:37:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_exit [2019-10-02 23:37:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 23:37:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 23:37:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 23:37:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 23:37:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-02 23:37:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-10-02 23:37:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-02 23:37:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-02 23:37:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-02 23:37:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-02 23:37:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-10-02 23:37:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 23:37:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 23:37:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 23:37:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 23:37:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 23:37:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 23:37:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 23:37:08,098 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-02 23:37:08,121 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-02 23:37:08,122 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-02 23:37:08,964 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-10-02 23:37:09,915 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 23:37:09,915 INFO L283 CfgBuilder]: Removed 28 assume(true) statements. [2019-10-02 23:37:09,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:37:09 BoogieIcfgContainer [2019-10-02 23:37:09,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 23:37:09,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 23:37:09,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 23:37:09,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 23:37:09,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 11:37:05" (1/3) ... [2019-10-02 23:37:09,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7880b758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:37:09, skipping insertion in model container [2019-10-02 23:37:09,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:06" (2/3) ... [2019-10-02 23:37:09,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7880b758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:37:09, skipping insertion in model container [2019-10-02 23:37:09,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:37:09" (3/3) ... [2019-10-02 23:37:09,925 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2019-10-02 23:37:09,935 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 23:37:09,946 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 23:37:09,963 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 23:37:09,990 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 23:37:09,991 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-02 23:37:09,991 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 23:37:09,991 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 23:37:09,991 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 23:37:09,991 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 23:37:09,991 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 23:37:09,992 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 23:37:10,023 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states. [2019-10-02 23:37:10,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-02 23:37:10,033 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:37:10,035 INFO L411 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] [2019-10-02 23:37:10,037 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:37:10,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:37:10,043 INFO L82 PathProgramCache]: Analyzing trace with hash 901334213, now seen corresponding path program 1 times [2019-10-02 23:37:10,046 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:37:10,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:10,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:37:10,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:10,125 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:37:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:37:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:37:10,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:37:10,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 23:37:10,704 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:37:10,708 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 23:37:10,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 23:37:10,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 23:37:10,726 INFO L87 Difference]: Start difference. First operand 719 states. Second operand 5 states. [2019-10-02 23:37:10,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:37:10,873 INFO L93 Difference]: Finished difference Result 423 states and 577 transitions. [2019-10-02 23:37:10,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 23:37:10,875 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-10-02 23:37:10,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:37:10,908 INFO L225 Difference]: With dead ends: 423 [2019-10-02 23:37:10,909 INFO L226 Difference]: Without dead ends: 409 [2019-10-02 23:37:10,913 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 23:37:10,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-10-02 23:37:11,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 408. [2019-10-02 23:37:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2019-10-02 23:37:11,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 559 transitions. [2019-10-02 23:37:11,046 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 559 transitions. Word has length 30 [2019-10-02 23:37:11,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:37:11,051 INFO L475 AbstractCegarLoop]: Abstraction has 408 states and 559 transitions. [2019-10-02 23:37:11,051 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 23:37:11,051 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 559 transitions. [2019-10-02 23:37:11,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-02 23:37:11,052 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:37:11,052 INFO L411 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] [2019-10-02 23:37:11,053 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:37:11,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:37:11,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1586178620, now seen corresponding path program 1 times [2019-10-02 23:37:11,053 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:37:11,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:11,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:37:11,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:11,063 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:37:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:37:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:37:11,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:37:11,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:37:11,249 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:37:11,251 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:37:11,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:37:11,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:37:11,252 INFO L87 Difference]: Start difference. First operand 408 states and 559 transitions. Second operand 3 states. [2019-10-02 23:37:11,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:37:11,292 INFO L93 Difference]: Finished difference Result 407 states and 557 transitions. [2019-10-02 23:37:11,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:37:11,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-10-02 23:37:11,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:37:11,296 INFO L225 Difference]: With dead ends: 407 [2019-10-02 23:37:11,298 INFO L226 Difference]: Without dead ends: 407 [2019-10-02 23:37:11,299 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:37:11,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-10-02 23:37:11,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2019-10-02 23:37:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-02 23:37:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 557 transitions. [2019-10-02 23:37:11,326 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 557 transitions. Word has length 30 [2019-10-02 23:37:11,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:37:11,327 INFO L475 AbstractCegarLoop]: Abstraction has 407 states and 557 transitions. [2019-10-02 23:37:11,327 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:37:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 557 transitions. [2019-10-02 23:37:11,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-02 23:37:11,328 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:37:11,328 INFO L411 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] [2019-10-02 23:37:11,328 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:37:11,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:37:11,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1927427147, now seen corresponding path program 1 times [2019-10-02 23:37:11,329 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:37:11,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:11,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:37:11,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:11,337 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:37:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:37:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:37:11,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:37:11,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:37:11,474 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:37:11,474 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:37:11,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:37:11,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:37:11,475 INFO L87 Difference]: Start difference. First operand 407 states and 557 transitions. Second operand 3 states. [2019-10-02 23:37:11,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:37:11,491 INFO L93 Difference]: Finished difference Result 404 states and 554 transitions. [2019-10-02 23:37:11,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:37:11,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-10-02 23:37:11,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:37:11,492 INFO L225 Difference]: With dead ends: 404 [2019-10-02 23:37:11,492 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 23:37:11,492 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:37:11,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 23:37:11,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 23:37:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 23:37:11,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 23:37:11,494 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2019-10-02 23:37:11,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:37:11,494 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 23:37:11,494 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:37:11,495 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 23:37:11,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 23:37:11,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 11:37:11 BoogieIcfgContainer [2019-10-02 23:37:11,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 23:37:11,504 INFO L168 Benchmark]: Toolchain (without parser) took 6355.11 ms. Allocated memory was 134.7 MB in the beginning and 350.2 MB in the end (delta: 215.5 MB). Free memory was 83.8 MB in the beginning and 144.7 MB in the end (delta: -60.9 MB). Peak memory consumption was 154.6 MB. Max. memory is 7.1 GB. [2019-10-02 23:37:11,505 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 23:37:11,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1603.84 ms. Allocated memory was 134.7 MB in the beginning and 222.3 MB in the end (delta: 87.6 MB). Free memory was 83.6 MB in the beginning and 102.3 MB in the end (delta: -18.7 MB). Peak memory consumption was 75.9 MB. Max. memory is 7.1 GB. [2019-10-02 23:37:11,507 INFO L168 Benchmark]: Boogie Preprocessor took 230.93 ms. Allocated memory is still 222.3 MB. Free memory was 102.3 MB in the beginning and 89.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-10-02 23:37:11,508 INFO L168 Benchmark]: RCFGBuilder took 2931.09 ms. Allocated memory was 222.3 MB in the beginning and 350.2 MB in the end (delta: 127.9 MB). Free memory was 89.0 MB in the beginning and 283.2 MB in the end (delta: -194.2 MB). Peak memory consumption was 62.6 MB. Max. memory is 7.1 GB. [2019-10-02 23:37:11,509 INFO L168 Benchmark]: TraceAbstraction took 1582.44 ms. Allocated memory is still 350.2 MB. Free memory was 283.2 MB in the beginning and 144.7 MB in the end (delta: 138.5 MB). Peak memory consumption was 138.5 MB. Max. memory is 7.1 GB. [2019-10-02 23:37:11,513 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1603.84 ms. Allocated memory was 134.7 MB in the beginning and 222.3 MB in the end (delta: 87.6 MB). Free memory was 83.6 MB in the beginning and 102.3 MB in the end (delta: -18.7 MB). Peak memory consumption was 75.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 230.93 ms. Allocated memory is still 222.3 MB. Free memory was 102.3 MB in the beginning and 89.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2931.09 ms. Allocated memory was 222.3 MB in the beginning and 350.2 MB in the end (delta: 127.9 MB). Free memory was 89.0 MB in the beginning and 283.2 MB in the end (delta: -194.2 MB). Peak memory consumption was 62.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1582.44 ms. Allocated memory is still 350.2 MB. Free memory was 283.2 MB in the beginning and 144.7 MB in the end (delta: 138.5 MB). Peak memory consumption was 138.5 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, 1.5s 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...