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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 00:57:12,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 00:57:12,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 00:57:12,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 00:57:12,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 00:57:12,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 00:57:12,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 00:57:12,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 00:57:12,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 00:57:12,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 00:57:12,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 00:57:12,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 00:57:12,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 00:57:12,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 00:57:12,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 00:57:12,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 00:57:12,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 00:57:12,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 00:57:12,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 00:57:12,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 00:57:12,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 00:57:12,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 00:57:12,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 00:57:12,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 00:57:12,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 00:57:12,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 00:57:12,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 00:57:12,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 00:57:12,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 00:57:12,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 00:57:12,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 00:57:12,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 00:57:12,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 00:57:12,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 00:57:12,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 00:57:12,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 00:57:12,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 00:57:12,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 00:57:12,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 00:57:12,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 00:57:12,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 00:57:12,629 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 [2019-10-03 00:57:12,651 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 00:57:12,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 00:57:12,652 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 00:57:12,652 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 00:57:12,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 00:57:12,653 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 00:57:12,653 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 00:57:12,653 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 00:57:12,654 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 00:57:12,654 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 00:57:12,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 00:57:12,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 00:57:12,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 00:57:12,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 00:57:12,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 00:57:12,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 00:57:12,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 00:57:12,656 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 00:57:12,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 00:57:12,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 00:57:12,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 00:57:12,657 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 00:57:12,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 00:57:12,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:57:12,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 00:57:12,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 00:57:12,658 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 00:57:12,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 00:57:12,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 00:57:12,658 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 00:57:12,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 00:57:12,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 00:57:12,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 00:57:12,710 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 00:57:12,711 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 00:57:12,713 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2019-10-03 00:57:12,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/701229d53/d4968ed76ff847a89c13a99a071dba00/FLAG58487fbc5 [2019-10-03 00:57:13,434 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 00:57:13,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2019-10-03 00:57:13,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/701229d53/d4968ed76ff847a89c13a99a071dba00/FLAG58487fbc5 [2019-10-03 00:57:13,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/701229d53/d4968ed76ff847a89c13a99a071dba00 [2019-10-03 00:57:13,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 00:57:13,697 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 00:57:13,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 00:57:13,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 00:57:13,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 00:57:13,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:57:13" (1/1) ... [2019-10-03 00:57:13,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e394a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:13, skipping insertion in model container [2019-10-03 00:57:13,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:57:13" (1/1) ... [2019-10-03 00:57:13,723 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 00:57:13,812 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 00:57:14,282 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2019-10-03 00:57:14,282 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2019-10-03 00:57:14,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:57:14,676 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 00:57:14,791 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2019-10-03 00:57:14,792 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2019-10-03 00:57:14,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:57:14,988 INFO L192 MainTranslator]: Completed translation [2019-10-03 00:57:14,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:14 WrapperNode [2019-10-03 00:57:14,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 00:57:14,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 00:57:14,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 00:57:14,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 00:57:15,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:14" (1/1) ... [2019-10-03 00:57:15,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:14" (1/1) ... [2019-10-03 00:57:15,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:14" (1/1) ... [2019-10-03 00:57:15,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:14" (1/1) ... [2019-10-03 00:57:15,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:14" (1/1) ... [2019-10-03 00:57:15,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:14" (1/1) ... [2019-10-03 00:57:15,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:14" (1/1) ... [2019-10-03 00:57:15,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 00:57:15,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 00:57:15,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 00:57:15,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 00:57:15,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:57:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 00:57:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 00:57:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-03 00:57:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-03 00:57:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-03 00:57:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-03 00:57:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-03 00:57:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-03 00:57:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-03 00:57:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 00:57:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 00:57:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 00:57:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 00:57:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 00:57:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 00:57:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 00:57:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 00:57:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 00:57:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-03 00:57:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2019-10-03 00:57:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2019-10-03 00:57:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2019-10-03 00:57:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2019-10-03 00:57:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2019-10-03 00:57:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2019-10-03 00:57:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2019-10-03 00:57:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2019-10-03 00:57:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2019-10-03 00:57:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2019-10-03 00:57:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2019-10-03 00:57:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2019-10-03 00:57:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 00:57:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-03 00:57:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-03 00:57:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-03 00:57:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 00:57:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-03 00:57:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-03 00:57:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-03 00:57:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-03 00:57:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2019-10-03 00:57:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-03 00:57:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-10-03 00:57:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-03 00:57:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2019-10-03 00:57:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2019-10-03 00:57:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-03 00:57:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 00:57:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 00:57:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-10-03 00:57:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-03 00:57:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-03 00:57:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2019-10-03 00:57:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2019-10-03 00:57:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2019-10-03 00:57:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 00:57:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-03 00:57:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 00:57:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 00:57:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 00:57:15,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 00:57:15,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 00:57:15,240 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 00:57:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-03 00:57:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-03 00:57:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 00:57:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-03 00:57:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-03 00:57:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-03 00:57:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-03 00:57:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 00:57:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-03 00:57:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-10-03 00:57:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-03 00:57:15,244 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-03 00:57:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-03 00:57:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 00:57:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-03 00:57:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-03 00:57:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-03 00:57:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-03 00:57:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 00:57:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 00:57:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 00:57:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 00:57:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 00:57:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 00:57:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 00:57:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 00:57:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 00:57:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 00:57:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 00:57:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 00:57:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 00:57:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 00:57:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 00:57:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 00:57:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-03 00:57:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-03 00:57:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2019-10-03 00:57:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2019-10-03 00:57:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2019-10-03 00:57:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2019-10-03 00:57:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2019-10-03 00:57:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2019-10-03 00:57:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2019-10-03 00:57:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2019-10-03 00:57:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2019-10-03 00:57:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2019-10-03 00:57:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2019-10-03 00:57:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2019-10-03 00:57:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2019-10-03 00:57:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2019-10-03 00:57:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2019-10-03 00:57:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 00:57:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 00:57:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 00:57:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2019-10-03 00:57:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2019-10-03 00:57:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2019-10-03 00:57:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 00:57:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 00:57:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-10-03 00:57:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 00:57:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-03 00:57:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 00:57:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-03 00:57:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-03 00:57:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-03 00:57:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-03 00:57:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 00:57:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 00:57:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 00:57:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 00:57:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 00:57:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 00:57:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 00:57:15,972 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 00:57:16,580 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 00:57:16,580 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 00:57:16,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:57:16 BoogieIcfgContainer [2019-10-03 00:57:16,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 00:57:16,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 00:57:16,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 00:57:16,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 00:57:16,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:57:13" (1/3) ... [2019-10-03 00:57:16,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b027354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:57:16, skipping insertion in model container [2019-10-03 00:57:16,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:14" (2/3) ... [2019-10-03 00:57:16,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b027354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:57:16, skipping insertion in model container [2019-10-03 00:57:16,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:57:16" (3/3) ... [2019-10-03 00:57:16,600 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2019-10-03 00:57:16,612 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 00:57:16,624 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 00:57:16,643 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 00:57:16,678 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 00:57:16,678 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 00:57:16,678 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 00:57:16,678 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 00:57:16,679 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 00:57:16,679 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 00:57:16,679 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 00:57:16,679 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 00:57:16,713 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states. [2019-10-03 00:57:16,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-03 00:57:16,749 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:57:16,751 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:57:16,756 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:57:16,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:57:16,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1158318164, now seen corresponding path program 1 times [2019-10-03 00:57:16,765 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:57:16,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:57:16,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:57:16,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:57:16,844 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:57:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:57:17,420 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-03 00:57:17,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:57:17,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:57:17,425 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:57:17,434 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:57:17,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:57:17,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:57:17,458 INFO L87 Difference]: Start difference. First operand 346 states. Second operand 3 states. [2019-10-03 00:57:17,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:57:17,632 INFO L93 Difference]: Finished difference Result 335 states and 422 transitions. [2019-10-03 00:57:17,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:57:17,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2019-10-03 00:57:17,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:57:17,701 INFO L225 Difference]: With dead ends: 335 [2019-10-03 00:57:17,702 INFO L226 Difference]: Without dead ends: 303 [2019-10-03 00:57:17,704 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 [2019-10-03 00:57:17,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2019-10-03 00:57:17,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 293. [2019-10-03 00:57:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2019-10-03 00:57:17,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 368 transitions. [2019-10-03 00:57:17,789 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 368 transitions. Word has length 90 [2019-10-03 00:57:17,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:57:17,790 INFO L475 AbstractCegarLoop]: Abstraction has 293 states and 368 transitions. [2019-10-03 00:57:17,791 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:57:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 368 transitions. [2019-10-03 00:57:17,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-03 00:57:17,797 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:57:17,797 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:57:17,797 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:57:17,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:57:17,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1086684259, now seen corresponding path program 1 times [2019-10-03 00:57:17,799 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:57:17,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:57:17,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:57:17,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:57:17,805 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:57:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:57:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-03 00:57:17,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:57:17,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:57:17,950 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:57:17,953 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:57:17,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:57:17,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:57:17,954 INFO L87 Difference]: Start difference. First operand 293 states and 368 transitions. Second operand 3 states. [2019-10-03 00:57:18,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:57:18,006 INFO L93 Difference]: Finished difference Result 311 states and 397 transitions. [2019-10-03 00:57:18,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:57:18,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-10-03 00:57:18,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:57:18,012 INFO L225 Difference]: With dead ends: 311 [2019-10-03 00:57:18,012 INFO L226 Difference]: Without dead ends: 311 [2019-10-03 00:57:18,013 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:57:18,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-10-03 00:57:18,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 294. [2019-10-03 00:57:18,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-10-03 00:57:18,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 369 transitions. [2019-10-03 00:57:18,054 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 369 transitions. Word has length 103 [2019-10-03 00:57:18,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:57:18,056 INFO L475 AbstractCegarLoop]: Abstraction has 294 states and 369 transitions. [2019-10-03 00:57:18,056 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:57:18,056 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 369 transitions. [2019-10-03 00:57:18,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-10-03 00:57:18,066 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:57:18,066 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:57:18,067 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:57:18,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:57:18,068 INFO L82 PathProgramCache]: Analyzing trace with hash -991942361, now seen corresponding path program 1 times [2019-10-03 00:57:18,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:57:18,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:57:18,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:57:18,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:57:18,077 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:57:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:57:18,216 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-03 00:57:18,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:57:18,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:57:18,217 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:57:18,219 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:57:18,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:57:18,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:57:18,220 INFO L87 Difference]: Start difference. First operand 294 states and 369 transitions. Second operand 3 states. [2019-10-03 00:57:18,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:57:18,310 INFO L93 Difference]: Finished difference Result 465 states and 584 transitions. [2019-10-03 00:57:18,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:57:18,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2019-10-03 00:57:18,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:57:18,323 INFO L225 Difference]: With dead ends: 465 [2019-10-03 00:57:18,323 INFO L226 Difference]: Without dead ends: 465 [2019-10-03 00:57:18,324 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 [2019-10-03 00:57:18,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-10-03 00:57:18,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 462. [2019-10-03 00:57:18,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2019-10-03 00:57:18,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 582 transitions. [2019-10-03 00:57:18,383 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 582 transitions. Word has length 113 [2019-10-03 00:57:18,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:57:18,384 INFO L475 AbstractCegarLoop]: Abstraction has 462 states and 582 transitions. [2019-10-03 00:57:18,384 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:57:18,384 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 582 transitions. [2019-10-03 00:57:18,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-10-03 00:57:18,387 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:57:18,387 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:57:18,388 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:57:18,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:57:18,388 INFO L82 PathProgramCache]: Analyzing trace with hash -994198272, now seen corresponding path program 1 times [2019-10-03 00:57:18,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:57:18,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:57:18,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:57:18,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:57:18,393 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:57:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:57:18,578 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-10-03 00:57:18,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:57:18,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 00:57:18,579 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:57:18,581 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 00:57:18,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 00:57:18,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-03 00:57:18,582 INFO L87 Difference]: Start difference. First operand 462 states and 582 transitions. Second operand 4 states. [2019-10-03 00:57:18,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:57:18,860 INFO L93 Difference]: Finished difference Result 604 states and 806 transitions. [2019-10-03 00:57:18,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-03 00:57:18,861 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 118 [2019-10-03 00:57:18,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:57:18,868 INFO L225 Difference]: With dead ends: 604 [2019-10-03 00:57:18,869 INFO L226 Difference]: Without dead ends: 604 [2019-10-03 00:57:18,869 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-03 00:57:18,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2019-10-03 00:57:18,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 512. [2019-10-03 00:57:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-10-03 00:57:18,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 658 transitions. [2019-10-03 00:57:18,921 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 658 transitions. Word has length 118 [2019-10-03 00:57:18,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:57:18,921 INFO L475 AbstractCegarLoop]: Abstraction has 512 states and 658 transitions. [2019-10-03 00:57:18,921 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 00:57:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 658 transitions. [2019-10-03 00:57:18,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-03 00:57:18,925 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:57:18,927 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:57:18,928 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:57:18,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:57:18,930 INFO L82 PathProgramCache]: Analyzing trace with hash -538518324, now seen corresponding path program 1 times [2019-10-03 00:57:18,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:57:18,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:57:18,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:57:18,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:57:18,936 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:57:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:57:19,160 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-03 00:57:19,160 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 00:57:19,160 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 00:57:19,162 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2019-10-03 00:57:19,165 INFO L207 CegarAbsIntRunner]: [2], [4], [5], [10], [12], [14], [16], [18], [21], [24], [27], [30], [70], [73], [76], [88], [91], [94], [96], [99], [107], [142], [144], [147], [169], [186], [189], [191], [198], [207], [208], [243], [245], [247], [250], [252], [269], [271], [273], [279], [280], [285], [290], [320], [323], [456], [458], [462], [464], [466], [468], [472], [522], [524], [525], [526], [528], [530], [531], [536], [537], [541], [544], [548], [552], [553], [557], [558], [559], [560], [561], [562], [563], [564], [565], [573], [574], [581], [582], [605], [606], [607], [608], [611], [612], [613], [614], [619], [629], [691], [692], [693], [694], [695], [696], [697], [698], [699], [721], [722], [723], [724], [725], [726], [731], [732], [733] [2019-10-03 00:57:19,226 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 00:57:19,226 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 00:57:19,311 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 00:57:19,318 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 58 root evaluator evaluations with a maximum evaluation depth of 0. Performed 58 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 104 variables. [2019-10-03 00:57:19,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:57:19,324 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 00:57:19,442 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 00:57:19,442 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 00:57:19,447 INFO L420 sIntCurrentIteration]: We unified 132 AI predicates to 132 [2019-10-03 00:57:19,447 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 00:57:19,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 00:57:19,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-10-03 00:57:19,449 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:57:19,450 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 00:57:19,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 00:57:19,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:57:19,454 INFO L87 Difference]: Start difference. First operand 512 states and 658 transitions. Second operand 2 states. [2019-10-03 00:57:19,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:57:19,454 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 00:57:19,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 00:57:19,454 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 133 [2019-10-03 00:57:19,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:57:19,455 INFO L225 Difference]: With dead ends: 2 [2019-10-03 00:57:19,455 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 00:57:19,455 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:57:19,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 00:57:19,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 00:57:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 00:57:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 00:57:19,456 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 133 [2019-10-03 00:57:19,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:57:19,457 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 00:57:19,457 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 00:57:19,457 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 00:57:19,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 00:57:19,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:57:19 BoogieIcfgContainer [2019-10-03 00:57:19,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 00:57:19,467 INFO L168 Benchmark]: Toolchain (without parser) took 5769.02 ms. Allocated memory was 139.5 MB in the beginning and 266.3 MB in the end (delta: 126.9 MB). Free memory was 83.5 MB in the beginning and 153.1 MB in the end (delta: -69.6 MB). Peak memory consumption was 57.3 MB. Max. memory is 7.1 GB. [2019-10-03 00:57:19,469 INFO L168 Benchmark]: CDTParser took 1.18 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-03 00:57:19,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1288.95 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 83.3 MB in the beginning and 138.1 MB in the end (delta: -54.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-10-03 00:57:19,471 INFO L168 Benchmark]: Boogie Preprocessor took 156.78 ms. Allocated memory is still 200.3 MB. Free memory was 138.1 MB in the beginning and 129.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-03 00:57:19,472 INFO L168 Benchmark]: RCFGBuilder took 1436.32 ms. Allocated memory was 200.3 MB in the beginning and 224.4 MB in the end (delta: 24.1 MB). Free memory was 129.0 MB in the beginning and 113.1 MB in the end (delta: 15.9 MB). Peak memory consumption was 65.1 MB. Max. memory is 7.1 GB. [2019-10-03 00:57:19,473 INFO L168 Benchmark]: TraceAbstraction took 2878.73 ms. Allocated memory was 224.4 MB in the beginning and 266.3 MB in the end (delta: 41.9 MB). Free memory was 113.1 MB in the beginning and 153.1 MB in the end (delta: -40.0 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-10-03 00:57:19,480 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1288.95 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 83.3 MB in the beginning and 138.1 MB in the end (delta: -54.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.78 ms. Allocated memory is still 200.3 MB. Free memory was 138.1 MB in the beginning and 129.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1436.32 ms. Allocated memory was 200.3 MB in the beginning and 224.4 MB in the end (delta: 24.1 MB). Free memory was 129.0 MB in the beginning and 113.1 MB in the end (delta: 15.9 MB). Peak memory consumption was 65.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2878.73 ms. Allocated memory was 224.4 MB in the beginning and 266.3 MB in the end (delta: 41.9 MB). Free memory was 113.1 MB in the beginning and 153.1 MB in the end (delta: -40.0 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1529]: 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 60 procedures, 389 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 5 OverallIterations, 5 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1576 SDtfs, 329 SDslu, 1428 SDs, 0 SdLazy, 87 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 140 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=512occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.1515151515151514 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 122 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 552 ConstructedInterpolants, 0 QuantifiedInterpolants, 67344 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 191/193 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...