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-fea9116 [2019-09-20 13:43:53,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:43:53,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:43:53,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:43:53,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:43:53,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:43:53,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:43:53,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:43:53,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:43:53,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:43:53,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:43:53,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:43:53,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:43:53,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:43:53,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:43:53,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:43:53,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:43:53,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:43:53,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:43:53,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:43:53,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:43:53,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:43:53,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:43:53,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:43:53,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:43:53,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:43:53,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:43:53,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:43:53,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:43:53,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:43:53,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:43:53,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:43:53,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:43:53,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:43:53,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:43:53,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:43:53,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:43:53,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:43:53,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:43:53,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:43:53,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:43:53,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:43:53,725 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:43:53,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:43:53,727 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:43:53,727 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:43:53,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:43:53,728 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:43:53,728 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:43:53,728 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:43:53,728 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:43:53,728 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:43:53,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:43:53,731 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:43:53,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:43:53,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:43:53,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:43:53,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:43:53,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:43:53,733 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:43:53,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:43:53,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:43:53,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:43:53,733 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:43:53,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:43:53,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:43:53,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:43:53,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:43:53,734 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:43:53,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:43:53,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:43:53,734 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:43:53,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:43:53,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:43:53,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:43:53,799 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:43:53,799 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:43:53,800 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2019-09-20 13:43:53,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb90aadd/7869b500a85e4c15ade262ac76b0c250/FLAGd037ccc7d [2019-09-20 13:43:54,559 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:43:54,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2019-09-20 13:43:54,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb90aadd/7869b500a85e4c15ade262ac76b0c250/FLAGd037ccc7d [2019-09-20 13:43:54,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb90aadd/7869b500a85e4c15ade262ac76b0c250 [2019-09-20 13:43:54,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:43:54,777 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:43:54,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:43:54,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:43:54,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:43:54,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:43:54" (1/1) ... [2019-09-20 13:43:54,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c85c879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:54, skipping insertion in model container [2019-09-20 13:43:54,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:43:54" (1/1) ... [2019-09-20 13:43:54,797 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:43:54,873 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:43:55,306 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2019-09-20 13:43:55,307 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] [2019-09-20 13:43:55,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:43:55,758 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:43:55,864 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2019-09-20 13:43:55,864 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] [2019-09-20 13:43:55,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:43:56,100 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:43:56,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:56 WrapperNode [2019-09-20 13:43:56,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:43:56,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:43:56,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:43:56,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:43:56,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:56" (1/1) ... [2019-09-20 13:43:56,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:56" (1/1) ... [2019-09-20 13:43:56,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:56" (1/1) ... [2019-09-20 13:43:56,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:56" (1/1) ... [2019-09-20 13:43:56,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:56" (1/1) ... [2019-09-20 13:43:56,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:56" (1/1) ... [2019-09-20 13:43:56,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:56" (1/1) ... [2019-09-20 13:43:56,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:43:56,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:43:56,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:43:56,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:43:56,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:43:56,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:43:56,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:43:56,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-20 13:43:56,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-20 13:43:56,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-20 13:43:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-09-20 13:43:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-20 13:43:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-20 13:43:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-20 13:43:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:43:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:43:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:43:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:43:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:43:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:43:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:43:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:43:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 13:43:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-20 13:43:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2019-09-20 13:43:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2019-09-20 13:43:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2019-09-20 13:43:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2019-09-20 13:43:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2019-09-20 13:43:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2019-09-20 13:43:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2019-09-20 13:43:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2019-09-20 13:43:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2019-09-20 13:43:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2019-09-20 13:43:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2019-09-20 13:43:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2019-09-20 13:43:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:43:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-09-20 13:43:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:43:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-20 13:43:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-20 13:43:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-20 13:43:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-20 13:43:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-20 13:43:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-20 13:43:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2019-09-20 13:43:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-20 13:43:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-09-20 13:43:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-09-20 13:43:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2019-09-20 13:43:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2019-09-20 13:43:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-09-20 13:43:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:43:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:43:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-09-20 13:43:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-20 13:43:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-20 13:43:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2019-09-20 13:43:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2019-09-20 13:43:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2019-09-20 13:43:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:43:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-20 13:43:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:43:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:43:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:43:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:43:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:43:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:43:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-20 13:43:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-20 13:43:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:43:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-20 13:43:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-20 13:43:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-20 13:43:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-09-20 13:43:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:43:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-09-20 13:43:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-09-20 13:43:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-20 13:43:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-20 13:43:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-20 13:43:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:43:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-09-20 13:43:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-09-20 13:43:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:43:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-20 13:43:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:43:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:43:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:43:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:43:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:43:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:43:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:43:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:43:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:43:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:43:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:43:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:43:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:43:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:43:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:43:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 13:43:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-20 13:43:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-20 13:43:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2019-09-20 13:43:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2019-09-20 13:43:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2019-09-20 13:43:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2019-09-20 13:43:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2019-09-20 13:43:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2019-09-20 13:43:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2019-09-20 13:43:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2019-09-20 13:43:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2019-09-20 13:43:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2019-09-20 13:43:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2019-09-20 13:43:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2019-09-20 13:43:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2019-09-20 13:43:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2019-09-20 13:43:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2019-09-20 13:43:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:43:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:43:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:43:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2019-09-20 13:43:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2019-09-20 13:43:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2019-09-20 13:43:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:43:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:43:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-09-20 13:43:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:43:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-20 13:43:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-20 13:43:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-20 13:43:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-20 13:43:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-20 13:43:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-20 13:43:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:43:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:43:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:43:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:43:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:43:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:43:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:43:57,121 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:43:57,756 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:43:57,757 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:43:57,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:43:57 BoogieIcfgContainer [2019-09-20 13:43:57,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:43:57,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:43:57,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:43:57,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:43:57,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:43:54" (1/3) ... [2019-09-20 13:43:57,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba7bd39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:43:57, skipping insertion in model container [2019-09-20 13:43:57,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:56" (2/3) ... [2019-09-20 13:43:57,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba7bd39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:43:57, skipping insertion in model container [2019-09-20 13:43:57,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:43:57" (3/3) ... [2019-09-20 13:43:57,777 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 [2019-09-20 13:43:57,787 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:43:57,796 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:43:57,810 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:43:57,836 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:43:57,837 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:43:57,837 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:43:57,837 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:43:57,837 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:43:57,837 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:43:57,837 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:43:57,838 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:43:57,861 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states. [2019-09-20 13:43:57,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-09-20 13:43:57,880 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:57,882 INFO L407 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] [2019-09-20 13:43:57,884 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:57,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:57,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1158318164, now seen corresponding path program 1 times [2019-09-20 13:43:57,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:57,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:57,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:57,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:57,960 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:58,428 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-20 13:43:58,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:58,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:58,431 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:58,438 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:58,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:58,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:58,459 INFO L87 Difference]: Start difference. First operand 346 states. Second operand 3 states. [2019-09-20 13:43:58,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:58,562 INFO L93 Difference]: Finished difference Result 335 states and 422 transitions. [2019-09-20 13:43:58,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:58,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2019-09-20 13:43:58,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:58,584 INFO L225 Difference]: With dead ends: 335 [2019-09-20 13:43:58,584 INFO L226 Difference]: Without dead ends: 303 [2019-09-20 13:43:58,587 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:58,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2019-09-20 13:43:58,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 293. [2019-09-20 13:43:58,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2019-09-20 13:43:58,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 368 transitions. [2019-09-20 13:43:58,741 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 368 transitions. Word has length 90 [2019-09-20 13:43:58,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:58,742 INFO L475 AbstractCegarLoop]: Abstraction has 293 states and 368 transitions. [2019-09-20 13:43:58,742 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:58,742 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 368 transitions. [2019-09-20 13:43:58,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:43:58,749 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:58,749 INFO L407 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] [2019-09-20 13:43:58,750 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:58,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:58,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1086684259, now seen corresponding path program 1 times [2019-09-20 13:43:58,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:58,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:58,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:58,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:58,757 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:58,923 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-20 13:43:58,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:58,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:58,924 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:58,930 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:58,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:58,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:58,931 INFO L87 Difference]: Start difference. First operand 293 states and 368 transitions. Second operand 3 states. [2019-09-20 13:43:59,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:59,004 INFO L93 Difference]: Finished difference Result 311 states and 397 transitions. [2019-09-20 13:43:59,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:59,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-20 13:43:59,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:59,009 INFO L225 Difference]: With dead ends: 311 [2019-09-20 13:43:59,009 INFO L226 Difference]: Without dead ends: 311 [2019-09-20 13:43:59,010 INFO L636 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 [2019-09-20 13:43:59,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-09-20 13:43:59,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 294. [2019-09-20 13:43:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-09-20 13:43:59,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 369 transitions. [2019-09-20 13:43:59,033 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 369 transitions. Word has length 103 [2019-09-20 13:43:59,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:59,034 INFO L475 AbstractCegarLoop]: Abstraction has 294 states and 369 transitions. [2019-09-20 13:43:59,034 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:59,034 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 369 transitions. [2019-09-20 13:43:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-09-20 13:43:59,040 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:59,040 INFO L407 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] [2019-09-20 13:43:59,041 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:59,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:59,041 INFO L82 PathProgramCache]: Analyzing trace with hash -991942361, now seen corresponding path program 1 times [2019-09-20 13:43:59,041 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:59,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:59,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:59,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:59,047 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:59,169 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-09-20 13:43:59,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:59,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:59,170 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:59,172 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:59,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:59,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:59,173 INFO L87 Difference]: Start difference. First operand 294 states and 369 transitions. Second operand 3 states. [2019-09-20 13:43:59,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:59,279 INFO L93 Difference]: Finished difference Result 465 states and 584 transitions. [2019-09-20 13:43:59,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:59,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2019-09-20 13:43:59,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:59,286 INFO L225 Difference]: With dead ends: 465 [2019-09-20 13:43:59,289 INFO L226 Difference]: Without dead ends: 465 [2019-09-20 13:43:59,290 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:59,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-09-20 13:43:59,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 462. [2019-09-20 13:43:59,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2019-09-20 13:43:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 582 transitions. [2019-09-20 13:43:59,345 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 582 transitions. Word has length 113 [2019-09-20 13:43:59,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:59,346 INFO L475 AbstractCegarLoop]: Abstraction has 462 states and 582 transitions. [2019-09-20 13:43:59,346 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 582 transitions. [2019-09-20 13:43:59,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-09-20 13:43:59,352 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:59,353 INFO L407 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] [2019-09-20 13:43:59,353 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:59,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:59,354 INFO L82 PathProgramCache]: Analyzing trace with hash -994198272, now seen corresponding path program 1 times [2019-09-20 13:43:59,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:59,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:59,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:59,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:59,359 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:59,519 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-09-20 13:43:59,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:59,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:43:59,520 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:59,520 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:43:59,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:43:59,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:43:59,521 INFO L87 Difference]: Start difference. First operand 462 states and 582 transitions. Second operand 4 states. [2019-09-20 13:43:59,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:59,700 INFO L93 Difference]: Finished difference Result 604 states and 806 transitions. [2019-09-20 13:43:59,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:43:59,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 118 [2019-09-20 13:43:59,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:59,706 INFO L225 Difference]: With dead ends: 604 [2019-09-20 13:43:59,706 INFO L226 Difference]: Without dead ends: 604 [2019-09-20 13:43:59,707 INFO L636 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 [2019-09-20 13:43:59,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2019-09-20 13:43:59,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 512. [2019-09-20 13:43:59,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-09-20 13:43:59,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 658 transitions. [2019-09-20 13:43:59,748 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 658 transitions. Word has length 118 [2019-09-20 13:43:59,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:59,749 INFO L475 AbstractCegarLoop]: Abstraction has 512 states and 658 transitions. [2019-09-20 13:43:59,749 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:43:59,749 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 658 transitions. [2019-09-20 13:43:59,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-09-20 13:43:59,761 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:59,761 INFO L407 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] [2019-09-20 13:43:59,761 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:59,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:59,762 INFO L82 PathProgramCache]: Analyzing trace with hash -538518324, now seen corresponding path program 1 times [2019-09-20 13:43:59,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:59,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:59,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:59,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:59,769 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:59,968 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-09-20 13:43:59,969 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:43:59,969 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:43:59,970 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2019-09-20 13:43:59,973 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] [2019-09-20 13:44:00,022 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:44:00,023 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:44:00,097 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:44:00,099 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. [2019-09-20 13:44:00,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:00,104 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:44:00,162 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:44:00,162 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:44:00,166 INFO L420 sIntCurrentIteration]: We unified 132 AI predicates to 132 [2019-09-20 13:44:00,166 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:44:00,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:44:00,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-20 13:44:00,168 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:00,168 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:44:00,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:44:00,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:44:00,169 INFO L87 Difference]: Start difference. First operand 512 states and 658 transitions. Second operand 2 states. [2019-09-20 13:44:00,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:00,170 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:44:00,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:44:00,170 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 133 [2019-09-20 13:44:00,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:00,170 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:44:00,171 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:44:00,171 INFO L636 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 [2019-09-20 13:44:00,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:44:00,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:44:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:44:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:44:00,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 133 [2019-09-20 13:44:00,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:00,172 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:44:00,173 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:44:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:44:00,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:44:00,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:44:00 BoogieIcfgContainer [2019-09-20 13:44:00,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:44:00,181 INFO L168 Benchmark]: Toolchain (without parser) took 5403.50 ms. Allocated memory was 137.9 MB in the beginning and 272.1 MB in the end (delta: 134.2 MB). Free memory was 82.2 MB in the beginning and 169.2 MB in the end (delta: -87.0 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:00,182 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:44:00,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1323.54 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 81.8 MB in the beginning and 136.8 MB in the end (delta: -55.0 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:00,184 INFO L168 Benchmark]: Boogie Preprocessor took 189.23 ms. Allocated memory is still 199.2 MB. Free memory was 136.8 MB in the beginning and 127.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:00,185 INFO L168 Benchmark]: RCFGBuilder took 1472.93 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 127.4 MB in the beginning and 111.8 MB in the end (delta: 15.6 MB). Peak memory consumption was 67.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:00,186 INFO L168 Benchmark]: TraceAbstraction took 2412.85 ms. Allocated memory was 220.2 MB in the beginning and 272.1 MB in the end (delta: 51.9 MB). Free memory was 110.4 MB in the beginning and 169.2 MB in the end (delta: -58.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:44:00,190 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1323.54 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 81.8 MB in the beginning and 136.8 MB in the end (delta: -55.0 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 189.23 ms. Allocated memory is still 199.2 MB. Free memory was 136.8 MB in the beginning and 127.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1472.93 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 127.4 MB in the beginning and 111.8 MB in the end (delta: 15.6 MB). Peak memory consumption was 67.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2412.85 ms. Allocated memory was 220.2 MB in the beginning and 272.1 MB in the end (delta: 51.9 MB). Free memory was 110.4 MB in the beginning and 169.2 MB in the end (delta: -58.8 MB). There was no memory consumed. 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, 2.3s OverallTime, 5 OverallIterations, 5 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1576 SDtfs, 329 SDslu, 1428 SDs, 0 SdLazy, 87 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s 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...