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-efa34d5 [2019-09-16 17:22:59,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:22:59,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:22:59,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:22:59,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:22:59,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:22:59,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:22:59,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:22:59,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:22:59,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:22:59,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:22:59,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:22:59,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:22:59,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:22:59,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:22:59,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:22:59,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:22:59,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:22:59,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:22:59,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:22:59,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:22:59,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:22:59,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:22:59,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:22:59,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:22:59,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:22:59,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:22:59,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:22:59,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:22:59,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:22:59,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:22:59,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:22:59,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:22:59,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:22:59,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:22:59,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:22:59,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:22:59,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:22:59,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:22:59,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:22:59,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:22:59,644 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 [2019-09-16 17:22:59,668 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:22:59,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:22:59,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:22:59,669 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:22:59,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:22:59,669 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:22:59,670 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:22:59,670 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:22:59,670 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:22:59,670 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:22:59,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:22:59,671 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:22:59,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:22:59,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:22:59,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:22:59,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:22:59,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:22:59,673 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:22:59,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:22:59,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:22:59,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:22:59,674 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:22:59,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:22:59,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:22:59,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:22:59,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:22:59,675 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:22:59,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:22:59,675 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:22:59,675 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:22:59,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:22:59,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:22:59,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:22:59,732 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:22:59,733 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:22:59,733 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2019-09-16 17:22:59,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc93299ef/025ba897d3564a569693f9cd4a92fadd/FLAG223056e94 [2019-09-16 17:23:00,472 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:23:00,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2019-09-16 17:23:00,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc93299ef/025ba897d3564a569693f9cd4a92fadd/FLAG223056e94 [2019-09-16 17:23:00,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc93299ef/025ba897d3564a569693f9cd4a92fadd [2019-09-16 17:23:00,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:23:00,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:23:00,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:23:00,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:23:00,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:23:00,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:23:00" (1/1) ... [2019-09-16 17:23:00,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@358f8b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:00, skipping insertion in model container [2019-09-16 17:23:00,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:23:00" (1/1) ... [2019-09-16 17:23:00,691 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:23:00,782 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:23:01,225 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2019-09-16 17:23:01,226 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] [2019-09-16 17:23:01,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:23:01,708 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:23:01,767 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2019-09-16 17:23:01,768 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] [2019-09-16 17:23:01,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:23:01,967 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:23:01,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:01 WrapperNode [2019-09-16 17:23:01,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:23:01,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:23:01,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:23:01,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:23:01,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:01" (1/1) ... [2019-09-16 17:23:01,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:01" (1/1) ... [2019-09-16 17:23:02,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:01" (1/1) ... [2019-09-16 17:23:02,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:01" (1/1) ... [2019-09-16 17:23:02,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:01" (1/1) ... [2019-09-16 17:23:02,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:01" (1/1) ... [2019-09-16 17:23:02,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:01" (1/1) ... [2019-09-16 17:23:02,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:23:02,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:23:02,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:23:02,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:23:02,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:01" (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 [2019-09-16 17:23:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:23:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:23:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-16 17:23:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-16 17:23:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-16 17:23:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-09-16 17:23:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-16 17:23:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-16 17:23:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-16 17:23:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-16 17:23:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-16 17:23:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-16 17:23:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-16 17:23:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-16 17:23:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-16 17:23:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-16 17:23:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-16 17:23:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-16 17:23:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-16 17:23:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2019-09-16 17:23:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2019-09-16 17:23:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2019-09-16 17:23:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2019-09-16 17:23:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2019-09-16 17:23:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2019-09-16 17:23:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2019-09-16 17:23:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2019-09-16 17:23:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2019-09-16 17:23:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2019-09-16 17:23:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2019-09-16 17:23:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2019-09-16 17:23:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:23:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-09-16 17:23:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-16 17:23:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-16 17:23:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-16 17:23:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-16 17:23:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-16 17:23:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-16 17:23:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-16 17:23:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2019-09-16 17:23:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-16 17:23:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-09-16 17:23:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-09-16 17:23:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2019-09-16 17:23:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2019-09-16 17:23:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-09-16 17:23:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-16 17:23:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-16 17:23:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-09-16 17:23:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-16 17:23:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-16 17:23:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2019-09-16 17:23:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2019-09-16 17:23:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2019-09-16 17:23:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-16 17:23:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-16 17:23:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-16 17:23:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-16 17:23:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-16 17:23:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:23:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-16 17:23:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-16 17:23:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-16 17:23:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-16 17:23:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:23:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-16 17:23:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-16 17:23:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-16 17:23:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-09-16 17:23:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:23:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-09-16 17:23:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-09-16 17:23:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-16 17:23:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-16 17:23:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-16 17:23:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-16 17:23:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-09-16 17:23:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-09-16 17:23:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-16 17:23:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-16 17:23:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:23:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-16 17:23:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:23:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-16 17:23:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-16 17:23:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:23:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-16 17:23:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:23:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-16 17:23:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-16 17:23:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-16 17:23:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-16 17:23:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-16 17:23:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-16 17:23:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-16 17:23:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-16 17:23:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-16 17:23:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-16 17:23:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2019-09-16 17:23:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2019-09-16 17:23:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2019-09-16 17:23:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2019-09-16 17:23:02,253 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2019-09-16 17:23:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2019-09-16 17:23:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2019-09-16 17:23:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2019-09-16 17:23:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2019-09-16 17:23:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2019-09-16 17:23:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2019-09-16 17:23:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2019-09-16 17:23:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2019-09-16 17:23:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2019-09-16 17:23:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2019-09-16 17:23:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:23:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:23:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:23:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2019-09-16 17:23:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2019-09-16 17:23:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2019-09-16 17:23:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-16 17:23:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-16 17:23:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-09-16 17:23:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:23:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-16 17:23:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-16 17:23:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-16 17:23:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-16 17:23:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-16 17:23:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-16 17:23:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-16 17:23:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:23:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:23:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:23:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:23:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-16 17:23:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:23:02,924 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-16 17:23:03,627 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:23:03,634 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 17:23:03,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:23:03 BoogieIcfgContainer [2019-09-16 17:23:03,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:23:03,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:23:03,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:23:03,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:23:03,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:23:00" (1/3) ... [2019-09-16 17:23:03,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70809027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:23:03, skipping insertion in model container [2019-09-16 17:23:03,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:01" (2/3) ... [2019-09-16 17:23:03,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70809027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:23:03, skipping insertion in model container [2019-09-16 17:23:03,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:23:03" (3/3) ... [2019-09-16 17:23:03,647 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 [2019-09-16 17:23:03,657 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:23:03,667 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:23:03,685 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:23:03,715 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:23:03,715 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:23:03,715 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:23:03,715 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:23:03,716 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:23:03,716 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:23:03,716 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:23:03,716 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:23:03,741 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states. [2019-09-16 17:23:03,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-09-16 17:23:03,761 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:23:03,762 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] [2019-09-16 17:23:03,765 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:23:03,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:23:03,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1158318164, now seen corresponding path program 1 times [2019-09-16 17:23:03,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:23:03,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:03,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:23:03,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:03,840 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:23:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:23:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-16 17:23:04,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:23:04,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:23:04,381 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:23:04,391 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:23:04,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:23:04,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:23:04,411 INFO L87 Difference]: Start difference. First operand 346 states. Second operand 3 states. [2019-09-16 17:23:04,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:23:04,565 INFO L93 Difference]: Finished difference Result 335 states and 422 transitions. [2019-09-16 17:23:04,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:23:04,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2019-09-16 17:23:04,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:23:04,603 INFO L225 Difference]: With dead ends: 335 [2019-09-16 17:23:04,603 INFO L226 Difference]: Without dead ends: 303 [2019-09-16 17:23:04,605 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 [2019-09-16 17:23:04,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2019-09-16 17:23:04,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 293. [2019-09-16 17:23:04,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2019-09-16 17:23:04,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 368 transitions. [2019-09-16 17:23:04,797 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 368 transitions. Word has length 90 [2019-09-16 17:23:04,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:23:04,798 INFO L475 AbstractCegarLoop]: Abstraction has 293 states and 368 transitions. [2019-09-16 17:23:04,798 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:23:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 368 transitions. [2019-09-16 17:23:04,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-16 17:23:04,808 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:23:04,809 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] [2019-09-16 17:23:04,810 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:23:04,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:23:04,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1086684259, now seen corresponding path program 1 times [2019-09-16 17:23:04,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:23:04,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:04,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:23:04,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:04,819 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:23:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:23:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-16 17:23:05,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:23:05,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:23:05,022 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:23:05,025 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:23:05,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:23:05,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:23:05,026 INFO L87 Difference]: Start difference. First operand 293 states and 368 transitions. Second operand 3 states. [2019-09-16 17:23:05,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:23:05,070 INFO L93 Difference]: Finished difference Result 311 states and 397 transitions. [2019-09-16 17:23:05,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:23:05,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-16 17:23:05,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:23:05,074 INFO L225 Difference]: With dead ends: 311 [2019-09-16 17:23:05,075 INFO L226 Difference]: Without dead ends: 311 [2019-09-16 17:23:05,076 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 [2019-09-16 17:23:05,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-09-16 17:23:05,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 294. [2019-09-16 17:23:05,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-09-16 17:23:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 369 transitions. [2019-09-16 17:23:05,110 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 369 transitions. Word has length 103 [2019-09-16 17:23:05,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:23:05,114 INFO L475 AbstractCegarLoop]: Abstraction has 294 states and 369 transitions. [2019-09-16 17:23:05,114 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:23:05,114 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 369 transitions. [2019-09-16 17:23:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-09-16 17:23:05,116 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:23:05,117 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] [2019-09-16 17:23:05,117 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:23:05,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:23:05,117 INFO L82 PathProgramCache]: Analyzing trace with hash -991942361, now seen corresponding path program 1 times [2019-09-16 17:23:05,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:23:05,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:05,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:23:05,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:05,122 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:23:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:23:05,222 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-09-16 17:23:05,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:23:05,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:23:05,223 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:23:05,224 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:23:05,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:23:05,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:23:05,224 INFO L87 Difference]: Start difference. First operand 294 states and 369 transitions. Second operand 3 states. [2019-09-16 17:23:05,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:23:05,299 INFO L93 Difference]: Finished difference Result 465 states and 584 transitions. [2019-09-16 17:23:05,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:23:05,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2019-09-16 17:23:05,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:23:05,306 INFO L225 Difference]: With dead ends: 465 [2019-09-16 17:23:05,306 INFO L226 Difference]: Without dead ends: 465 [2019-09-16 17:23:05,307 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 [2019-09-16 17:23:05,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-09-16 17:23:05,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 462. [2019-09-16 17:23:05,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2019-09-16 17:23:05,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 582 transitions. [2019-09-16 17:23:05,349 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 582 transitions. Word has length 113 [2019-09-16 17:23:05,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:23:05,350 INFO L475 AbstractCegarLoop]: Abstraction has 462 states and 582 transitions. [2019-09-16 17:23:05,351 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:23:05,351 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 582 transitions. [2019-09-16 17:23:05,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-09-16 17:23:05,355 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:23:05,355 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] [2019-09-16 17:23:05,356 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:23:05,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:23:05,356 INFO L82 PathProgramCache]: Analyzing trace with hash -994198272, now seen corresponding path program 1 times [2019-09-16 17:23:05,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:23:05,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:05,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:23:05,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:05,361 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:23:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:23:05,522 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-09-16 17:23:05,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:23:05,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 17:23:05,523 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:23:05,525 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 17:23:05,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 17:23:05,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:23:05,526 INFO L87 Difference]: Start difference. First operand 462 states and 582 transitions. Second operand 4 states. [2019-09-16 17:23:05,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:23:05,746 INFO L93 Difference]: Finished difference Result 604 states and 806 transitions. [2019-09-16 17:23:05,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 17:23:05,747 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 118 [2019-09-16 17:23:05,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:23:05,758 INFO L225 Difference]: With dead ends: 604 [2019-09-16 17:23:05,758 INFO L226 Difference]: Without dead ends: 604 [2019-09-16 17:23:05,759 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 [2019-09-16 17:23:05,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2019-09-16 17:23:05,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 512. [2019-09-16 17:23:05,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-09-16 17:23:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 658 transitions. [2019-09-16 17:23:05,820 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 658 transitions. Word has length 118 [2019-09-16 17:23:05,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:23:05,824 INFO L475 AbstractCegarLoop]: Abstraction has 512 states and 658 transitions. [2019-09-16 17:23:05,824 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 17:23:05,824 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 658 transitions. [2019-09-16 17:23:05,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-09-16 17:23:05,832 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:23:05,832 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] [2019-09-16 17:23:05,833 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:23:05,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:23:05,833 INFO L82 PathProgramCache]: Analyzing trace with hash -538518324, now seen corresponding path program 1 times [2019-09-16 17:23:05,834 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:23:05,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:05,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:23:05,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:05,843 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:23:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:23:06,070 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-09-16 17:23:06,070 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 17:23:06,071 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-16 17:23:06,072 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2019-09-16 17:23:06,075 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] [2019-09-16 17:23:06,138 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-16 17:23:06,139 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:23:06,226 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:23:06,227 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. [2019-09-16 17:23:06,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:23:06,232 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-16 17:23:06,329 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-16 17:23:06,329 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-16 17:23:06,339 INFO L420 sIntCurrentIteration]: We unified 132 AI predicates to 132 [2019-09-16 17:23:06,339 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-16 17:23:06,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 17:23:06,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-16 17:23:06,344 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:23:06,345 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:23:06,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:23:06,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:23:06,346 INFO L87 Difference]: Start difference. First operand 512 states and 658 transitions. Second operand 2 states. [2019-09-16 17:23:06,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:23:06,347 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-16 17:23:06,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:23:06,347 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 133 [2019-09-16 17:23:06,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:23:06,348 INFO L225 Difference]: With dead ends: 2 [2019-09-16 17:23:06,348 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:23:06,348 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 [2019-09-16 17:23:06,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:23:06,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:23:06,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:23:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:23:06,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 133 [2019-09-16 17:23:06,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:23:06,350 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:23:06,350 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:23:06,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:23:06,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:23:06,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:23:06 BoogieIcfgContainer [2019-09-16 17:23:06,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:23:06,360 INFO L168 Benchmark]: Toolchain (without parser) took 5685.75 ms. Allocated memory was 137.9 MB in the beginning and 271.6 MB in the end (delta: 133.7 MB). Free memory was 82.4 MB in the beginning and 171.5 MB in the end (delta: -89.1 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:23:06,361 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:23:06,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1294.18 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 82.2 MB in the beginning and 137.6 MB in the end (delta: -55.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:23:06,365 INFO L168 Benchmark]: Boogie Preprocessor took 166.55 ms. Allocated memory is still 199.8 MB. Free memory was 137.6 MB in the beginning and 128.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:23:06,367 INFO L168 Benchmark]: RCFGBuilder took 1500.32 ms. Allocated memory was 199.8 MB in the beginning and 220.7 MB in the end (delta: 21.0 MB). Free memory was 128.2 MB in the beginning and 114.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 68.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:23:06,368 INFO L168 Benchmark]: TraceAbstraction took 2719.74 ms. Allocated memory was 220.7 MB in the beginning and 271.6 MB in the end (delta: 50.9 MB). Free memory was 113.5 MB in the beginning and 171.5 MB in the end (delta: -57.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:23:06,377 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1294.18 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 82.2 MB in the beginning and 137.6 MB in the end (delta: -55.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 166.55 ms. Allocated memory is still 199.8 MB. Free memory was 137.6 MB in the beginning and 128.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1500.32 ms. Allocated memory was 199.8 MB in the beginning and 220.7 MB in the end (delta: 21.0 MB). Free memory was 128.2 MB in the beginning and 114.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 68.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2719.74 ms. Allocated memory was 220.7 MB in the beginning and 271.6 MB in the end (delta: 50.9 MB). Free memory was 113.5 MB in the beginning and 171.5 MB in the end (delta: -57.9 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, 2.6s 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 122 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 552 ConstructedInterpolants, 0 QuantifiedInterpolants, 67344 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 191/193 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...