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 0.1.24-112bae1 [2019-09-10 11:09:07,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 11:09:07,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 11:09:07,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 11:09:07,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 11:09:07,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 11:09:07,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 11:09:07,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 11:09:07,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 11:09:07,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 11:09:07,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 11:09:07,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 11:09:07,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 11:09:07,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 11:09:07,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 11:09:07,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 11:09:07,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 11:09:07,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 11:09:07,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 11:09:07,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 11:09:07,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 11:09:07,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 11:09:07,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 11:09:07,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 11:09:07,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 11:09:07,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 11:09:07,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 11:09:07,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 11:09:07,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 11:09:07,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 11:09:07,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 11:09:07,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 11:09:07,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 11:09:07,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 11:09:07,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 11:09:07,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 11:09:07,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 11:09:07,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 11:09:07,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 11:09:07,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 11:09:07,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 11:09:07,156 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 11:09:07,194 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 11:09:07,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 11:09:07,194 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 11:09:07,195 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 11:09:07,195 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 11:09:07,195 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 11:09:07,196 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 11:09:07,196 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 11:09:07,196 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 11:09:07,196 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 11:09:07,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 11:09:07,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 11:09:07,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 11:09:07,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 11:09:07,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 11:09:07,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 11:09:07,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 11:09:07,198 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 11:09:07,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 11:09:07,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 11:09:07,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 11:09:07,199 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 11:09:07,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 11:09:07,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:09:07,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 11:09:07,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 11:09:07,200 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 11:09:07,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 11:09:07,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 11:09:07,201 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 11:09:07,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 11:09:07,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 11:09:07,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 11:09:07,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 11:09:07,255 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 11:09:07,256 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2019-09-10 11:09:07,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb57f807/caecfd869a3b47f6b240c394219e6691/FLAG4f13f32ee [2019-09-10 11:09:07,906 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 11:09:07,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2019-09-10 11:09:07,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb57f807/caecfd869a3b47f6b240c394219e6691/FLAG4f13f32ee [2019-09-10 11:09:08,103 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb57f807/caecfd869a3b47f6b240c394219e6691 [2019-09-10 11:09:08,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 11:09:08,114 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 11:09:08,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 11:09:08,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 11:09:08,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 11:09:08,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:09:08" (1/1) ... [2019-09-10 11:09:08,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699b45e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:09:08, skipping insertion in model container [2019-09-10 11:09:08,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:09:08" (1/1) ... [2019-09-10 11:09:08,135 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 11:09:08,207 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 11:09:08,623 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2019-09-10 11:09:08,624 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2019-09-10 11:09:09,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:09:09,097 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 11:09:09,149 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2019-09-10 11:09:09,150 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2019-09-10 11:09:09,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:09:09,350 INFO L192 MainTranslator]: Completed translation [2019-09-10 11:09:09,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:09:09 WrapperNode [2019-09-10 11:09:09,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 11:09:09,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 11:09:09,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 11:09:09,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 11:09:09,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:09:09" (1/1) ... [2019-09-10 11:09:09,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:09:09" (1/1) ... [2019-09-10 11:09:09,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:09:09" (1/1) ... [2019-09-10 11:09:09,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:09:09" (1/1) ... [2019-09-10 11:09:09,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:09:09" (1/1) ... [2019-09-10 11:09:09,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:09:09" (1/1) ... [2019-09-10 11:09:09,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:09:09" (1/1) ... [2019-09-10 11:09:09,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 11:09:09,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 11:09:09,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 11:09:09,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 11:09:09,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:09:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:09:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 11:09:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 11:09:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-10 11:09:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-10 11:09:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-10 11:09:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-09-10 11:09:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-10 11:09:09,582 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-10 11:09:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-10 11:09:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 11:09:09,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 11:09:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 11:09:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 11:09:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 11:09:09,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 11:09:09,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 11:09:09,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 11:09:09,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 11:09:09,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-10 11:09:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2019-09-10 11:09:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2019-09-10 11:09:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2019-09-10 11:09:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2019-09-10 11:09:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2019-09-10 11:09:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2019-09-10 11:09:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2019-09-10 11:09:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2019-09-10 11:09:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2019-09-10 11:09:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2019-09-10 11:09:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2019-09-10 11:09:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2019-09-10 11:09:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 11:09:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-09-10 11:09:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 11:09:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-10 11:09:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-10 11:09:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-10 11:09:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-10 11:09:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-10 11:09:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-10 11:09:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2019-09-10 11:09:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-10 11:09:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-09-10 11:09:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-09-10 11:09:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2019-09-10 11:09:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2019-09-10 11:09:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-09-10 11:09:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 11:09:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 11:09:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-09-10 11:09:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-10 11:09:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-10 11:09:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2019-09-10 11:09:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2019-09-10 11:09:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2019-09-10 11:09:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 11:09:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-10 11:09:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 11:09:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 11:09:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 11:09:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 11:09:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 11:09:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 11:09:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-10 11:09:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-10 11:09:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 11:09:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-10 11:09:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-10 11:09:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-10 11:09:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-09-10 11:09:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 11:09:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-09-10 11:09:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-09-10 11:09:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-10 11:09:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-10 11:09:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-10 11:09:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 11:09:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-09-10 11:09:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-09-10 11:09:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 11:09:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-10 11:09:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 11:09:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 11:09:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 11:09:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 11:09:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 11:09:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 11:09:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 11:09:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 11:09:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 11:09:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 11:09:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 11:09:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 11:09:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 11:09:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 11:09:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 11:09:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 11:09:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-10 11:09:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-10 11:09:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2019-09-10 11:09:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2019-09-10 11:09:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2019-09-10 11:09:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2019-09-10 11:09:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2019-09-10 11:09:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2019-09-10 11:09:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2019-09-10 11:09:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2019-09-10 11:09:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2019-09-10 11:09:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2019-09-10 11:09:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2019-09-10 11:09:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2019-09-10 11:09:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2019-09-10 11:09:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2019-09-10 11:09:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2019-09-10 11:09:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 11:09:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 11:09:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 11:09:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2019-09-10 11:09:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2019-09-10 11:09:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2019-09-10 11:09:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 11:09:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 11:09:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-09-10 11:09:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 11:09:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-10 11:09:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-10 11:09:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-10 11:09:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-10 11:09:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-10 11:09:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-10 11:09:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 11:09:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 11:09:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 11:09:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 11:09:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 11:09:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 11:09:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 11:09:10,290 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 11:09:10,917 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 11:09:10,918 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 11:09:10,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:09:10 BoogieIcfgContainer [2019-09-10 11:09:10,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 11:09:10,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 11:09:10,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 11:09:10,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 11:09:10,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 11:09:08" (1/3) ... [2019-09-10 11:09:10,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c3eb31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:09:10, skipping insertion in model container [2019-09-10 11:09:10,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:09:09" (2/3) ... [2019-09-10 11:09:10,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c3eb31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:09:10, skipping insertion in model container [2019-09-10 11:09:10,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:09:10" (3/3) ... [2019-09-10 11:09:10,927 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 [2019-09-10 11:09:10,937 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 11:09:10,946 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 11:09:10,963 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 11:09:10,991 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 11:09:10,991 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 11:09:10,991 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 11:09:10,991 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 11:09:10,991 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 11:09:10,992 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 11:09:10,992 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 11:09:10,992 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 11:09:11,016 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states. [2019-09-10 11:09:11,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-09-10 11:09:11,034 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:09:11,035 INFO L399 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] [2019-09-10 11:09:11,038 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:09:11,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:09:11,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1158318164, now seen corresponding path program 1 times [2019-09-10 11:09:11,046 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:09:11,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:09:11,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:09:11,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:09:11,105 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:09:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:09:11,517 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-10 11:09:11,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:09:11,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:09:11,520 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:09:11,527 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:09:11,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:09:11,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:09:11,545 INFO L87 Difference]: Start difference. First operand 346 states. Second operand 3 states. [2019-09-10 11:09:11,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:09:11,664 INFO L93 Difference]: Finished difference Result 335 states and 422 transitions. [2019-09-10 11:09:11,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:09:11,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2019-09-10 11:09:11,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:09:11,685 INFO L225 Difference]: With dead ends: 335 [2019-09-10 11:09:11,685 INFO L226 Difference]: Without dead ends: 303 [2019-09-10 11:09:11,687 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:09:11,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2019-09-10 11:09:11,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 293. [2019-09-10 11:09:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2019-09-10 11:09:11,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 368 transitions. [2019-09-10 11:09:11,819 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 368 transitions. Word has length 90 [2019-09-10 11:09:11,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:09:11,820 INFO L475 AbstractCegarLoop]: Abstraction has 293 states and 368 transitions. [2019-09-10 11:09:11,820 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:09:11,820 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 368 transitions. [2019-09-10 11:09:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 11:09:11,826 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:09:11,826 INFO L399 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] [2019-09-10 11:09:11,827 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:09:11,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:09:11,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1086684259, now seen corresponding path program 1 times [2019-09-10 11:09:11,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:09:11,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:09:11,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:09:11,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:09:11,830 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:09:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:09:12,015 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-10 11:09:12,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:09:12,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:09:12,016 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:09:12,019 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:09:12,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:09:12,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:09:12,020 INFO L87 Difference]: Start difference. First operand 293 states and 368 transitions. Second operand 3 states. [2019-09-10 11:09:12,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:09:12,075 INFO L93 Difference]: Finished difference Result 311 states and 397 transitions. [2019-09-10 11:09:12,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:09:12,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-10 11:09:12,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:09:12,080 INFO L225 Difference]: With dead ends: 311 [2019-09-10 11:09:12,080 INFO L226 Difference]: Without dead ends: 311 [2019-09-10 11:09:12,081 INFO L628 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 [2019-09-10 11:09:12,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-09-10 11:09:12,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 294. [2019-09-10 11:09:12,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-09-10 11:09:12,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 369 transitions. [2019-09-10 11:09:12,104 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 369 transitions. Word has length 103 [2019-09-10 11:09:12,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:09:12,104 INFO L475 AbstractCegarLoop]: Abstraction has 294 states and 369 transitions. [2019-09-10 11:09:12,105 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:09:12,105 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 369 transitions. [2019-09-10 11:09:12,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-09-10 11:09:12,110 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:09:12,110 INFO L399 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] [2019-09-10 11:09:12,111 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:09:12,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:09:12,111 INFO L82 PathProgramCache]: Analyzing trace with hash -991942361, now seen corresponding path program 1 times [2019-09-10 11:09:12,111 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:09:12,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:09:12,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:09:12,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:09:12,113 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:09:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:09:12,203 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-09-10 11:09:12,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:09:12,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:09:12,204 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:09:12,204 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:09:12,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:09:12,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:09:12,205 INFO L87 Difference]: Start difference. First operand 294 states and 369 transitions. Second operand 3 states. [2019-09-10 11:09:12,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:09:12,267 INFO L93 Difference]: Finished difference Result 465 states and 584 transitions. [2019-09-10 11:09:12,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:09:12,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2019-09-10 11:09:12,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:09:12,272 INFO L225 Difference]: With dead ends: 465 [2019-09-10 11:09:12,272 INFO L226 Difference]: Without dead ends: 465 [2019-09-10 11:09:12,272 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:09:12,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-09-10 11:09:12,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 462. [2019-09-10 11:09:12,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2019-09-10 11:09:12,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 582 transitions. [2019-09-10 11:09:12,310 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 582 transitions. Word has length 113 [2019-09-10 11:09:12,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:09:12,310 INFO L475 AbstractCegarLoop]: Abstraction has 462 states and 582 transitions. [2019-09-10 11:09:12,310 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:09:12,310 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 582 transitions. [2019-09-10 11:09:12,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-09-10 11:09:12,316 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:09:12,317 INFO L399 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] [2019-09-10 11:09:12,317 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:09:12,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:09:12,317 INFO L82 PathProgramCache]: Analyzing trace with hash -994198272, now seen corresponding path program 1 times [2019-09-10 11:09:12,317 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:09:12,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:09:12,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:09:12,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:09:12,322 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:09:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:09:12,480 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-09-10 11:09:12,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:09:12,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 11:09:12,481 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:09:12,483 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 11:09:12,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 11:09:12,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-10 11:09:12,484 INFO L87 Difference]: Start difference. First operand 462 states and 582 transitions. Second operand 4 states. [2019-09-10 11:09:12,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:09:12,650 INFO L93 Difference]: Finished difference Result 604 states and 806 transitions. [2019-09-10 11:09:12,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-10 11:09:12,651 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 118 [2019-09-10 11:09:12,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:09:12,657 INFO L225 Difference]: With dead ends: 604 [2019-09-10 11:09:12,657 INFO L226 Difference]: Without dead ends: 604 [2019-09-10 11:09:12,658 INFO L628 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 [2019-09-10 11:09:12,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2019-09-10 11:09:12,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 512. [2019-09-10 11:09:12,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-09-10 11:09:12,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 658 transitions. [2019-09-10 11:09:12,729 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 658 transitions. Word has length 118 [2019-09-10 11:09:12,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:09:12,729 INFO L475 AbstractCegarLoop]: Abstraction has 512 states and 658 transitions. [2019-09-10 11:09:12,729 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 11:09:12,730 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 658 transitions. [2019-09-10 11:09:12,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-09-10 11:09:12,735 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:09:12,735 INFO L399 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] [2019-09-10 11:09:12,735 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:09:12,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:09:12,736 INFO L82 PathProgramCache]: Analyzing trace with hash -538518324, now seen corresponding path program 1 times [2019-09-10 11:09:12,736 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:09:12,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:09:12,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:09:12,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:09:12,738 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:09:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:09:12,960 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-09-10 11:09:12,960 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 11:09:12,960 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 11:09:12,962 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2019-09-10 11:09:12,965 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] [2019-09-10 11:09:13,046 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 11:09:13,047 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 11:09:13,107 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 11:09:13,109 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. [2019-09-10 11:09:13,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:09:13,113 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 11:09:13,185 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 11:09:13,186 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 11:09:13,195 INFO L420 sIntCurrentIteration]: We unified 132 AI predicates to 132 [2019-09-10 11:09:13,195 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 11:09:13,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 11:09:13,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-10 11:09:13,200 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:09:13,200 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 11:09:13,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 11:09:13,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:09:13,201 INFO L87 Difference]: Start difference. First operand 512 states and 658 transitions. Second operand 2 states. [2019-09-10 11:09:13,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:09:13,202 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 11:09:13,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 11:09:13,202 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 133 [2019-09-10 11:09:13,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:09:13,202 INFO L225 Difference]: With dead ends: 2 [2019-09-10 11:09:13,202 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 11:09:13,203 INFO L628 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 [2019-09-10 11:09:13,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 11:09:13,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 11:09:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 11:09:13,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 11:09:13,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 133 [2019-09-10 11:09:13,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:09:13,205 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 11:09:13,205 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 11:09:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 11:09:13,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 11:09:13,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 11:09:13 BoogieIcfgContainer [2019-09-10 11:09:13,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 11:09:13,214 INFO L168 Benchmark]: Toolchain (without parser) took 5098.34 ms. Allocated memory was 140.5 MB in the beginning and 263.2 MB in the end (delta: 122.7 MB). Free memory was 84.9 MB in the beginning and 158.6 MB in the end (delta: -73.7 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. [2019-09-10 11:09:13,215 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-10 11:09:13,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1236.12 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 84.5 MB in the beginning and 138.6 MB in the end (delta: -54.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-10 11:09:13,218 INFO L168 Benchmark]: Boogie Preprocessor took 148.19 ms. Allocated memory is still 202.4 MB. Free memory was 138.6 MB in the beginning and 131.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. [2019-09-10 11:09:13,220 INFO L168 Benchmark]: RCFGBuilder took 1419.01 ms. Allocated memory was 202.4 MB in the beginning and 228.1 MB in the end (delta: 25.7 MB). Free memory was 131.5 MB in the beginning and 118.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 63.6 MB. Max. memory is 7.1 GB. [2019-09-10 11:09:13,221 INFO L168 Benchmark]: TraceAbstraction took 2290.33 ms. Allocated memory was 228.1 MB in the beginning and 263.2 MB in the end (delta: 35.1 MB). Free memory was 118.7 MB in the beginning and 158.6 MB in the end (delta: -39.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 11:09:13,232 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1236.12 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 84.5 MB in the beginning and 138.6 MB in the end (delta: -54.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.19 ms. Allocated memory is still 202.4 MB. Free memory was 138.6 MB in the beginning and 131.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1419.01 ms. Allocated memory was 202.4 MB in the beginning and 228.1 MB in the end (delta: 25.7 MB). Free memory was 131.5 MB in the beginning and 118.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 63.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2290.33 ms. Allocated memory was 228.1 MB in the beginning and 263.2 MB in the end (delta: 35.1 MB). Free memory was 118.7 MB in the beginning and 158.6 MB in the end (delta: -39.9 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, 2.2s OverallTime, 5 OverallIterations, 5 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1576 SDtfs, 329 SDslu, 1428 SDs, 0 SdLazy, 87 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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...