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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 10:33:08,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:33:08,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:33:08,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:33:08,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:33:08,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:33:08,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:33:08,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:33:08,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:33:08,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:33:08,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:33:08,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:33:08,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:33:08,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:33:08,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:33:08,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:33:08,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:33:08,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:33:08,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:33:08,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:33:08,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:33:08,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:33:08,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:33:08,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:33:08,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:33:08,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:33:08,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:33:08,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:33:08,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:33:08,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:33:08,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:33:08,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:33:08,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:33:08,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:33:08,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:33:08,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:33:08,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:33:08,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:33:08,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:33:08,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:33:08,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:33:08,224 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 [2019-09-10 10:33:08,249 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:33:08,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:33:08,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:33:08,251 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:33:08,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:33:08,252 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:33:08,252 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:33:08,252 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:33:08,253 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:33:08,253 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:33:08,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:33:08,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:33:08,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:33:08,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:33:08,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:33:08,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:33:08,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:33:08,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:33:08,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:33:08,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:33:08,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:33:08,258 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:33:08,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:33:08,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:33:08,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:33:08,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:33:08,259 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:33:08,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:33:08,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:33:08,260 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:33:08,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:33:08,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:33:08,336 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:33:08,338 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:33:08,339 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:33:08,340 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2019-09-10 10:33:08,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab489ef3c/7b54eca8104b478dafb694a90a378e56/FLAGb5e68901e [2019-09-10 10:33:09,296 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:33:09,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2019-09-10 10:33:09,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab489ef3c/7b54eca8104b478dafb694a90a378e56/FLAGb5e68901e [2019-09-10 10:33:09,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab489ef3c/7b54eca8104b478dafb694a90a378e56 [2019-09-10 10:33:09,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:33:09,766 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:33:09,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:33:09,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:33:09,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:33:09,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:33:09" (1/1) ... [2019-09-10 10:33:09,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4544dfff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:09, skipping insertion in model container [2019-09-10 10:33:09,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:33:09" (1/1) ... [2019-09-10 10:33:09,783 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:33:09,949 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:33:11,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:33:11,688 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:33:11,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:33:12,419 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:33:12,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:12 WrapperNode [2019-09-10 10:33:12,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:33:12,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:33:12,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:33:12,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:33:12,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:12" (1/1) ... [2019-09-10 10:33:12,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:12" (1/1) ... [2019-09-10 10:33:12,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:12" (1/1) ... [2019-09-10 10:33:12,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:12" (1/1) ... [2019-09-10 10:33:12,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:12" (1/1) ... [2019-09-10 10:33:12,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:12" (1/1) ... [2019-09-10 10:33:12,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:12" (1/1) ... [2019-09-10 10:33:12,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:33:12,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:33:12,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:33:12,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:33:12,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:12" (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 [2019-09-10 10:33:12,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:33:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:33:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-10 10:33:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-10 10:33:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-10 10:33:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-10 10:33:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-10 10:33:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-10 10:33:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-09-10 10:33:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-10 10:33:12,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-09-10 10:33:12,866 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 10:33:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-10 10:33:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-10 10:33:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-10 10:33:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-10 10:33:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-10 10:33:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-10 10:33:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 10:33:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 10:33:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 10:33:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-10 10:33:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2019-09-10 10:33:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure test_channelmap [2019-09-10 10:33:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2019-09-10 10:33:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 10:33:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 10:33:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 10:33:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 10:33:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 10:33:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-09-10 10:33:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-10 10:33:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-10 10:33:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-10 10:33:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2019-09-10 10:33:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2019-09-10 10:33:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2019-09-10 10:33:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_send [2019-09-10 10:33:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_recv [2019-09-10 10:33:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_parse [2019-09-10 10:33:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_thread [2019-09-10 10:33:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_close [2019-09-10 10:33:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_open [2019-09-10 10:33:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_send_bh [2019-09-10 10:33:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_keepalive [2019-09-10 10:33:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_timeout [2019-09-10 10:33:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_dmsg [2019-09-10 10:33:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_dctrl [2019-09-10 10:33:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2019-09-10 10:33:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2019-09-10 10:33:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_dctrl [2019-09-10 10:33:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmsg [2019-09-10 10:33:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2019-09-10 10:33:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_bctrl [2019-09-10 10:33:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure release_card [2019-09-10 10:33:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_cleanup [2019-09-10 10:33:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure init_card [2019-09-10 10:33:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_init [2019-09-10 10:33:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:33:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-10 10:33:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-10 10:33:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-10 10:33:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-09-10 10:33:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-10 10:33:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-09-10 10:33:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-10 10:33:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_law_to_4bit [2019-09-10 10:33:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_to_law [2019-09-10 10:33:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_alaw_to_ulaw [2019-09-10 10:33:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_ulaw_to_alaw [2019-09-10 10:33:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_free [2019-09-10 10:33:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_alloc [2019-09-10 10:33:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-09-10 10:33:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-09-10 10:33:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-09-10 10:33:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-09-10 10:33:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-09-10 10:33:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-09-10 10:33:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-09-10 10:33:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:33:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:33:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:33:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-10 10:33:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-10 10:33:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:33:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-10 10:33:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:33:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-10 10:33:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-10 10:33:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 10:33:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-10 10:33:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-10 10:33:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-10 10:33:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 10:33:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-10 10:33:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-10 10:33:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 10:33:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 10:33:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 10:33:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 10:33:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 10:33:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 10:33:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 10:33:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:33:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:33:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2019-09-10 10:33:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-10 10:33:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-10 10:33:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-10 10:33:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 10:33:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 10:33:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 10:33:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-09-10 10:33:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_signal [2019-09-10 10:33:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-09-10 10:33:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-10 10:33:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-09-10 10:33:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-09-10 10:33:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-10 10:33:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_recvmsg [2019-09-10 10:33:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_sendmsg [2019-09-10 10:33:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2019-09-10 10:33:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-10 10:33:12,891 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-10 10:33:12,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2019-09-10 10:33:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2019-09-10 10:33:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2019-09-10 10:33:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2019-09-10 10:33:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2019-09-10 10:33:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2019-09-10 10:33:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure memchr_inv [2019-09-10 10:33:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-09-10 10:33:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-10 10:33:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-10 10:33:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 10:33:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 10:33:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2019-09-10 10:33:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2019-09-10 10:33:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-09-10 10:33:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-10 10:33:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure send_sig [2019-09-10 10:33:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-10 10:33:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-09-10 10:33:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_create [2019-09-10 10:33:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2019-09-10 10:33:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-09-10 10:33:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-09-10 10:33:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2019-09-10 10:33:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-09-10 10:33:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-09-10 10:33:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:33:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:33:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 10:33:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:33:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:33:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:33:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-10 10:33:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-10 10:33:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-10 10:33:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:33:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-10 10:33:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-09-10 10:33:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-10 10:33:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-09-10 10:33:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 10:33:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-10 10:33:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 10:33:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:33:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-10 10:33:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-10 10:33:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:33:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-10 10:33:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-10 10:33:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-10 10:33:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-10 10:33:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure memchr_inv [2019-09-10 10:33:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-10 10:33:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-10 10:33:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-10 10:33:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-10 10:33:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-09-10 10:33:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 10:33:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-10 10:33:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-10 10:33:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-10 10:33:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-10 10:33:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-10 10:33:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-10 10:33:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-09-10 10:33:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:33:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-10 10:33:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-10 10:33:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-10 10:33:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 10:33:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 10:33:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 10:33:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:33:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-10 10:33:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 10:33:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 10:33:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 10:33:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 10:33:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 10:33:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 10:33:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-10 10:33:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-10 10:33:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:33:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:33:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-09-10 10:33:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-10 10:33:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-10 10:33:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2019-09-10 10:33:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-09-10 10:33:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-09-10 10:33:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-10 10:33:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-10 10:33:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-09-10 10:33:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-09-10 10:33:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-09-10 10:33:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure test_channelmap [2019-09-10 10:33:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2019-09-10 10:33:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure sock_create [2019-09-10 10:33:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2019-09-10 10:33:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_sendmsg [2019-09-10 10:33:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_recvmsg [2019-09-10 10:33:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:33:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 10:33:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 10:33:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 10:33:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 10:33:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 10:33:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 10:33:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 10:33:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 10:33:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-09-10 10:33:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2019-09-10 10:33:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-09-10 10:33:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-10 10:33:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-10 10:33:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-09-10 10:33:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-09-10 10:33:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-09-10 10:33:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure send_sig [2019-09-10 10:33:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure allow_signal [2019-09-10 10:33:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-10 10:33:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-10 10:33:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2019-09-10 10:33:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 10:33:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2019-09-10 10:33:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 10:33:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2019-09-10 10:33:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-10 10:33:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2019-09-10 10:33:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2019-09-10 10:33:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2019-09-10 10:33:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2019-09-10 10:33:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2019-09-10 10:33:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2019-09-10 10:33:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2019-09-10 10:33:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2019-09-10 10:33:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2019-09-10 10:33:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_law_to_4bit [2019-09-10 10:33:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_to_law [2019-09-10 10:33:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_alaw_to_ulaw [2019-09-10 10:33:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_ulaw_to_alaw [2019-09-10 10:33:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_free [2019-09-10 10:33:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_alloc [2019-09-10 10:33:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_send [2019-09-10 10:33:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_recv [2019-09-10 10:33:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_parse [2019-09-10 10:33:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_thread [2019-09-10 10:33:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-10 10:33:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_close [2019-09-10 10:33:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_open [2019-09-10 10:33:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_send_bh [2019-09-10 10:33:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_keepalive [2019-09-10 10:33:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_timeout [2019-09-10 10:33:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure handle_dmsg [2019-09-10 10:33:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure channel_dctrl [2019-09-10 10:33:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2019-09-10 10:33:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2019-09-10 10:33:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_dctrl [2019-09-10 10:33:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmsg [2019-09-10 10:33:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2019-09-10 10:33:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_bctrl [2019-09-10 10:33:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure release_card [2019-09-10 10:33:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_cleanup [2019-09-10 10:33:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure init_card [2019-09-10 10:33:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_init [2019-09-10 10:33:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:33:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:33:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:33:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-09-10 10:33:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-09-10 10:33:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-09-10 10:33:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-09-10 10:33:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-09-10 10:33:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-09-10 10:33:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-09-10 10:33:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2019-09-10 10:33:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-09-10 10:33:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:33:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:33:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-10 10:33:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-10 10:33:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-10 10:33:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:33:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-10 10:33:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 10:33:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-10 10:33:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-10 10:33:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 10:33:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-10 10:33:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 10:33:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 10:33:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 10:33:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 10:33:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:33:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 10:33:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-10 10:33:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:33:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:33:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:33:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:33:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:33:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:33:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 10:33:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 10:33:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 10:33:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 10:33:28,200 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:33:28,200 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 10:33:28,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:33:28 BoogieIcfgContainer [2019-09-10 10:33:28,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:33:28,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:33:28,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:33:28,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:33:28,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:33:09" (1/3) ... [2019-09-10 10:33:28,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c04a653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:33:28, skipping insertion in model container [2019-09-10 10:33:28,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:12" (2/3) ... [2019-09-10 10:33:28,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c04a653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:33:28, skipping insertion in model container [2019-09-10 10:33:28,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:33:28" (3/3) ... [2019-09-10 10:33:28,210 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2019-09-10 10:33:28,220 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:33:28,230 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:33:28,247 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:33:28,274 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:33:28,274 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:33:28,274 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:33:28,275 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:33:28,275 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:33:28,275 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:33:28,275 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:33:28,275 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:33:28,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states. [2019-09-10 10:33:28,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-09-10 10:33:28,320 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:33:28,321 INFO L399 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, 1] [2019-09-10 10:33:28,324 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:33:28,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:33:28,330 INFO L82 PathProgramCache]: Analyzing trace with hash -842118964, now seen corresponding path program 1 times [2019-09-10 10:33:28,332 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:33:28,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:33:28,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:33:28,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:33:28,396 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:33:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:33:29,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:33:29,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:33:29,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:33:29,349 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:33:29,354 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:33:29,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:33:29,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:33:29,373 INFO L87 Difference]: Start difference. First operand 1076 states. Second operand 3 states. [2019-09-10 10:33:32,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:33:32,988 INFO L93 Difference]: Finished difference Result 1078 states and 1385 transitions. [2019-09-10 10:33:32,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:33:32,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-09-10 10:33:32,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:33:33,038 INFO L225 Difference]: With dead ends: 1078 [2019-09-10 10:33:33,038 INFO L226 Difference]: Without dead ends: 1071 [2019-09-10 10:33:33,041 INFO L628 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 [2019-09-10 10:33:33,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2019-09-10 10:33:33,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1071. [2019-09-10 10:33:33,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1071 states. [2019-09-10 10:33:33,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1378 transitions. [2019-09-10 10:33:33,189 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1378 transitions. Word has length 32 [2019-09-10 10:33:33,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:33:33,190 INFO L475 AbstractCegarLoop]: Abstraction has 1071 states and 1378 transitions. [2019-09-10 10:33:33,190 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:33:33,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1378 transitions. [2019-09-10 10:33:33,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-09-10 10:33:33,195 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:33:33,195 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:33:33,196 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:33:33,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:33:33,197 INFO L82 PathProgramCache]: Analyzing trace with hash -493414417, now seen corresponding path program 1 times [2019-09-10 10:33:33,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:33:33,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:33:33,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:33:33,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:33:33,207 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:33:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:33:33,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:33:33,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:33:33,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 10:33:33,766 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:33:33,768 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 10:33:33,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 10:33:33,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 10:33:33,769 INFO L87 Difference]: Start difference. First operand 1071 states and 1378 transitions. Second operand 5 states. [2019-09-10 10:33:33,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:33:33,826 INFO L93 Difference]: Finished difference Result 1077 states and 1384 transitions. [2019-09-10 10:33:33,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 10:33:33,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2019-09-10 10:33:33,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:33:33,835 INFO L225 Difference]: With dead ends: 1077 [2019-09-10 10:33:33,836 INFO L226 Difference]: Without dead ends: 1077 [2019-09-10 10:33:33,837 INFO L628 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 [2019-09-10 10:33:33,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2019-09-10 10:33:33,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1075. [2019-09-10 10:33:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2019-09-10 10:33:33,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1382 transitions. [2019-09-10 10:33:33,891 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1382 transitions. Word has length 48 [2019-09-10 10:33:33,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:33:33,892 INFO L475 AbstractCegarLoop]: Abstraction has 1075 states and 1382 transitions. [2019-09-10 10:33:33,892 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 10:33:33,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1382 transitions. [2019-09-10 10:33:33,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 10:33:33,895 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:33:33,895 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:33:33,895 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:33:33,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:33:33,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1793208393, now seen corresponding path program 1 times [2019-09-10 10:33:33,896 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:33:33,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:33:33,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:33:33,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:33:33,900 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:33:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:33:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:33:34,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:33:34,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 10:33:34,363 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:33:34,363 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 10:33:34,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 10:33:34,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 10:33:34,365 INFO L87 Difference]: Start difference. First operand 1075 states and 1382 transitions. Second operand 5 states. [2019-09-10 10:33:35,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:33:35,064 INFO L93 Difference]: Finished difference Result 1088 states and 1395 transitions. [2019-09-10 10:33:35,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 10:33:35,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-09-10 10:33:35,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:33:35,071 INFO L225 Difference]: With dead ends: 1088 [2019-09-10 10:33:35,071 INFO L226 Difference]: Without dead ends: 1088 [2019-09-10 10:33:35,072 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:33:35,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2019-09-10 10:33:35,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 1079. [2019-09-10 10:33:35,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1079 states. [2019-09-10 10:33:35,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1385 transitions. [2019-09-10 10:33:35,123 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1385 transitions. Word has length 52 [2019-09-10 10:33:35,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:33:35,124 INFO L475 AbstractCegarLoop]: Abstraction has 1079 states and 1385 transitions. [2019-09-10 10:33:35,124 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 10:33:35,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1385 transitions. [2019-09-10 10:33:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-10 10:33:35,127 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:33:35,127 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:33:35,127 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:33:35,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:33:35,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1819694223, now seen corresponding path program 1 times [2019-09-10 10:33:35,128 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:33:35,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:33:35,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:33:35,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:33:35,131 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:33:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:33:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:33:35,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:33:35,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:33:35,445 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:33:35,445 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:33:35,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:33:35,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:33:35,446 INFO L87 Difference]: Start difference. First operand 1079 states and 1385 transitions. Second operand 3 states. [2019-09-10 10:33:38,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:33:38,263 INFO L93 Difference]: Finished difference Result 1078 states and 1383 transitions. [2019-09-10 10:33:38,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:33:38,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2019-09-10 10:33:38,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:33:38,271 INFO L225 Difference]: With dead ends: 1078 [2019-09-10 10:33:38,271 INFO L226 Difference]: Without dead ends: 1078 [2019-09-10 10:33:38,272 INFO L628 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 [2019-09-10 10:33:38,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2019-09-10 10:33:38,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1078. [2019-09-10 10:33:38,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1078 states. [2019-09-10 10:33:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1383 transitions. [2019-09-10 10:33:38,304 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1383 transitions. Word has length 69 [2019-09-10 10:33:38,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:33:38,304 INFO L475 AbstractCegarLoop]: Abstraction has 1078 states and 1383 transitions. [2019-09-10 10:33:38,305 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:33:38,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1383 transitions. [2019-09-10 10:33:38,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-10 10:33:38,306 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:33:38,307 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:33:38,307 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:33:38,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:33:38,307 INFO L82 PathProgramCache]: Analyzing trace with hash -576531014, now seen corresponding path program 1 times [2019-09-10 10:33:38,308 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:33:38,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:33:38,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:33:38,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:33:38,311 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:33:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:33:38,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:33:38,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:33:38,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:33:38,610 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:33:38,610 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:33:38,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:33:38,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:33:38,611 INFO L87 Difference]: Start difference. First operand 1078 states and 1383 transitions. Second operand 3 states. [2019-09-10 10:33:41,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:33:41,675 INFO L93 Difference]: Finished difference Result 1077 states and 1381 transitions. [2019-09-10 10:33:41,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:33:41,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2019-09-10 10:33:41,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:33:41,688 INFO L225 Difference]: With dead ends: 1077 [2019-09-10 10:33:41,689 INFO L226 Difference]: Without dead ends: 1077 [2019-09-10 10:33:41,689 INFO L628 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 [2019-09-10 10:33:41,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2019-09-10 10:33:41,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1077. [2019-09-10 10:33:41,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2019-09-10 10:33:41,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1381 transitions. [2019-09-10 10:33:41,733 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1381 transitions. Word has length 70 [2019-09-10 10:33:41,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:33:41,734 INFO L475 AbstractCegarLoop]: Abstraction has 1077 states and 1381 transitions. [2019-09-10 10:33:41,734 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:33:41,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1381 transitions. [2019-09-10 10:33:41,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-09-10 10:33:41,736 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:33:41,736 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:33:41,737 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:33:41,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:33:41,738 INFO L82 PathProgramCache]: Analyzing trace with hash -693172332, now seen corresponding path program 1 times [2019-09-10 10:33:41,738 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:33:41,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:33:41,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:33:41,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:33:41,749 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:33:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:33:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:33:42,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:33:42,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:33:42,159 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:33:42,160 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:33:42,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:33:42,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:33:42,161 INFO L87 Difference]: Start difference. First operand 1077 states and 1381 transitions. Second operand 3 states. [2019-09-10 10:33:44,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:33:44,877 INFO L93 Difference]: Finished difference Result 1074 states and 1378 transitions. [2019-09-10 10:33:45,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:33:45,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2019-09-10 10:33:45,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:33:45,247 INFO L225 Difference]: With dead ends: 1074 [2019-09-10 10:33:45,247 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:33:45,248 INFO L628 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 [2019-09-10 10:33:45,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:33:45,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:33:45,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:33:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:33:45,250 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2019-09-10 10:33:45,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:33:45,251 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:33:45,251 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:33:45,251 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:33:45,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:33:45,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:33:45 BoogieIcfgContainer [2019-09-10 10:33:45,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:33:45,261 INFO L168 Benchmark]: Toolchain (without parser) took 35493.07 ms. Allocated memory was 138.9 MB in the beginning and 811.1 MB in the end (delta: 672.1 MB). Free memory was 75.9 MB in the beginning and 240.0 MB in the end (delta: -164.1 MB). Peak memory consumption was 508.0 MB. Max. memory is 7.1 GB. [2019-09-10 10:33:45,263 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-10 10:33:45,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2654.21 ms. Allocated memory was 138.9 MB in the beginning and 269.5 MB in the end (delta: 130.5 MB). Free memory was 75.7 MB in the beginning and 167.4 MB in the end (delta: -91.8 MB). Peak memory consumption was 115.3 MB. Max. memory is 7.1 GB. [2019-09-10 10:33:45,266 INFO L168 Benchmark]: Boogie Preprocessor took 364.06 ms. Allocated memory is still 269.5 MB. Free memory was 167.4 MB in the beginning and 135.8 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2019-09-10 10:33:45,268 INFO L168 Benchmark]: RCFGBuilder took 15416.58 ms. Allocated memory was 269.5 MB in the beginning and 748.2 MB in the end (delta: 478.7 MB). Free memory was 135.8 MB in the beginning and 240.4 MB in the end (delta: -104.6 MB). Peak memory consumption was 589.4 MB. Max. memory is 7.1 GB. [2019-09-10 10:33:45,270 INFO L168 Benchmark]: TraceAbstraction took 17053.84 ms. Allocated memory was 748.2 MB in the beginning and 811.1 MB in the end (delta: 62.9 MB). Free memory was 240.4 MB in the beginning and 240.0 MB in the end (delta: 468.8 kB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2019-09-10 10:33:45,279 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2654.21 ms. Allocated memory was 138.9 MB in the beginning and 269.5 MB in the end (delta: 130.5 MB). Free memory was 75.7 MB in the beginning and 167.4 MB in the end (delta: -91.8 MB). Peak memory consumption was 115.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 364.06 ms. Allocated memory is still 269.5 MB. Free memory was 167.4 MB in the beginning and 135.8 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 15416.58 ms. Allocated memory was 269.5 MB in the beginning and 748.2 MB in the end (delta: 478.7 MB). Free memory was 135.8 MB in the beginning and 240.4 MB in the end (delta: -104.6 MB). Peak memory consumption was 589.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17053.84 ms. Allocated memory was 748.2 MB in the beginning and 811.1 MB in the end (delta: 62.9 MB). Free memory was 240.4 MB in the beginning and 240.0 MB in the end (delta: 468.8 kB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7819]: 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 153 procedures, 1285 locations, 1 error locations. SAFE Result, 16.9s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 13.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5581 SDtfs, 4279 SDslu, 4870 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 11.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1079occurred in iteration=3, 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 27778 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...