/usr/bin/java -ea -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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.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 0.1.25-8fc6572 [2020-07-10 22:17:07,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 22:17:07,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 22:17:07,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 22:17:07,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 22:17:07,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 22:17:07,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 22:17:07,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 22:17:07,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 22:17:07,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 22:17:07,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 22:17:07,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 22:17:07,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 22:17:07,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 22:17:07,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 22:17:07,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 22:17:07,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 22:17:07,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 22:17:07,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 22:17:07,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 22:17:07,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 22:17:07,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 22:17:07,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 22:17:07,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 22:17:07,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 22:17:07,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 22:17:07,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 22:17:07,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 22:17:07,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 22:17:07,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 22:17:07,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 22:17:07,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 22:17:07,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 22:17:07,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 22:17:07,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 22:17:07,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 22:17:07,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 22:17:07,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 22:17:07,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 22:17:07,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 22:17:07,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 22:17:07,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2020-07-10 22:17:07,462 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 22:17:07,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 22:17:07,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 22:17:07,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 22:17:07,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 22:17:07,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 22:17:07,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 22:17:07,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 22:17:07,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 22:17:07,473 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 22:17:07,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 22:17:07,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 22:17:07,474 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 22:17:07,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 22:17:07,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 22:17:07,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 22:17:07,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 22:17:07,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 22:17:07,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 22:17:07,477 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 22:17:07,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 22:17:07,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 22:17:07,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 22:17:07,760 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 22:17:07,760 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 22:17:07,761 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-07-10 22:17:07,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c45693432/6bbffc24eade45309a548be5fc8abf86/FLAGbf0b82aec [2020-07-10 22:17:08,444 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 22:17:08,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-07-10 22:17:08,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c45693432/6bbffc24eade45309a548be5fc8abf86/FLAGbf0b82aec [2020-07-10 22:17:08,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c45693432/6bbffc24eade45309a548be5fc8abf86 [2020-07-10 22:17:08,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 22:17:08,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 22:17:08,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 22:17:08,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 22:17:08,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 22:17:08,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 10:17:08" (1/1) ... [2020-07-10 22:17:08,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e074bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:17:08, skipping insertion in model container [2020-07-10 22:17:08,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 10:17:08" (1/1) ... [2020-07-10 22:17:08,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 22:17:08,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 22:17:09,080 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-07-10 22:17:09,081 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2020-07-10 22:17:09,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 22:17:09,571 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 22:17:09,615 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-07-10 22:17:09,616 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2020-07-10 22:17:09,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 22:17:09,803 INFO L208 MainTranslator]: Completed translation [2020-07-10 22:17:09,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:17:09 WrapperNode [2020-07-10 22:17:09,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 22:17:09,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 22:17:09,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 22:17:09,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 22:17:09,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:17:09" (1/1) ... [2020-07-10 22:17:09,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:17:09" (1/1) ... [2020-07-10 22:17:09,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:17:09" (1/1) ... [2020-07-10 22:17:09,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:17:09" (1/1) ... [2020-07-10 22:17:09,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:17:09" (1/1) ... [2020-07-10 22:17:09,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:17:09" (1/1) ... [2020-07-10 22:17:09,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:17:09" (1/1) ... [2020-07-10 22:17:09,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 22:17:09,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 22:17:09,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 22:17:09,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 22:17:09,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:17:09" (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 [2020-07-10 22:17:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 22:17:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 22:17:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-07-10 22:17:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-07-10 22:17:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-07-10 22:17:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-07-10 22:17:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-07-10 22:17:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-07-10 22:17:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-07-10 22:17:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-10 22:17:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-07-10 22:17:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-07-10 22:17:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-07-10 22:17:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-07-10 22:17:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-07-10 22:17:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-07-10 22:17:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-07-10 22:17:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-07-10 22:17:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-07-10 22:17:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2020-07-10 22:17:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2020-07-10 22:17:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2020-07-10 22:17:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2020-07-10 22:17:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2020-07-10 22:17:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2020-07-10 22:17:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2020-07-10 22:17:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2020-07-10 22:17:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2020-07-10 22:17:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2020-07-10 22:17:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2020-07-10 22:17:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2020-07-10 22:17:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 22:17:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-07-10 22:17:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-07-10 22:17:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-07-10 22:17:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-07-10 22:17:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-07-10 22:17:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-07-10 22:17:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-07-10 22:17:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2020-07-10 22:17:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-07-10 22:17:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-07-10 22:17:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-07-10 22:17:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2020-07-10 22:17:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2020-07-10 22:17:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-07-10 22:17:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-07-10 22:17:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-07-10 22:17:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-07-10 22:17:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-07-10 22:17:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-07-10 22:17:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2020-07-10 22:17:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2020-07-10 22:17:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2020-07-10 22:17:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-07-10 22:17:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-07-10 22:17:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-10 22:17:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-10 22:17:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 22:17:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-07-10 22:17:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-07-10 22:17:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-07-10 22:17:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-07-10 22:17:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-10 22:17:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-07-10 22:17:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-07-10 22:17:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-07-10 22:17:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-07-10 22:17:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 22:17:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-07-10 22:17:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-07-10 22:17:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-07-10 22:17:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-07-10 22:17:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-07-10 22:17:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-10 22:17:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-07-10 22:17:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-07-10 22:17:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-07-10 22:17:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-10 22:17:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-10 22:17:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 22:17:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-07-10 22:17:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 22:17:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-10 22:17:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-07-10 22:17:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-10 22:17:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-07-10 22:17:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-10 22:17:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-07-10 22:17:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-07-10 22:17:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-07-10 22:17:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-07-10 22:17:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-07-10 22:17:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-07-10 22:17:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-07-10 22:17:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2020-07-10 22:17:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2020-07-10 22:17:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2020-07-10 22:17:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2020-07-10 22:17:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2020-07-10 22:17:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2020-07-10 22:17:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2020-07-10 22:17:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2020-07-10 22:17:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2020-07-10 22:17:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2020-07-10 22:17:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2020-07-10 22:17:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2020-07-10 22:17:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2020-07-10 22:17:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2020-07-10 22:17:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2020-07-10 22:17:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 22:17:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 22:17:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-10 22:17:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2020-07-10 22:17:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2020-07-10 22:17:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2020-07-10 22:17:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-07-10 22:17:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-07-10 22:17:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-07-10 22:17:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 22:17:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-07-10 22:17:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-07-10 22:17:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-07-10 22:17:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-07-10 22:17:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-07-10 22:17:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-07-10 22:17:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-10 22:17:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 22:17:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 22:17:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-10 22:17:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-10 22:17:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 22:17:10,920 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-07-10 22:17:12,368 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 22:17:12,368 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 22:17:12,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 10:17:12 BoogieIcfgContainer [2020-07-10 22:17:12,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 22:17:12,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 22:17:12,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 22:17:12,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 22:17:12,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 10:17:08" (1/3) ... [2020-07-10 22:17:12,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198128b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 10:17:12, skipping insertion in model container [2020-07-10 22:17:12,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 10:17:09" (2/3) ... [2020-07-10 22:17:12,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198128b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 10:17:12, skipping insertion in model container [2020-07-10 22:17:12,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 10:17:12" (3/3) ... [2020-07-10 22:17:12,387 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 [2020-07-10 22:17:12,398 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 22:17:12,406 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 22:17:12,421 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 22:17:12,444 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 22:17:12,444 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 22:17:12,445 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 22:17:12,445 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 22:17:12,445 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 22:17:12,445 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 22:17:12,445 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 22:17:12,445 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 22:17:12,478 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states. [2020-07-10 22:17:12,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-07-10 22:17:12,537 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 22:17:12,539 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 22:17:12,539 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 22:17:12,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 22:17:12,546 INFO L82 PathProgramCache]: Analyzing trace with hash 965266846, now seen corresponding path program 1 times [2020-07-10 22:17:12,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 22:17:12,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817989881] [2020-07-10 22:17:12,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 22:17:12,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 22:17:12,684 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.generateMetaTrace(AcceleratedInterpolation.java:442) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:277) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-10 22:17:12,690 INFO L168 Benchmark]: Toolchain (without parser) took 4016.24 ms. Allocated memory was 139.5 MB in the beginning and 253.8 MB in the end (delta: 114.3 MB). Free memory was 98.7 MB in the beginning and 181.4 MB in the end (delta: -82.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2020-07-10 22:17:12,691 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 139.5 MB. Free memory is still 120.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 22:17:12,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1130.15 ms. Allocated memory was 139.5 MB in the beginning and 208.7 MB in the end (delta: 69.2 MB). Free memory was 98.5 MB in the beginning and 149.0 MB in the end (delta: -50.5 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. [2020-07-10 22:17:12,693 INFO L168 Benchmark]: Boogie Preprocessor took 183.34 ms. Allocated memory is still 208.7 MB. Free memory was 149.0 MB in the beginning and 138.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-07-10 22:17:12,694 INFO L168 Benchmark]: RCFGBuilder took 2390.32 ms. Allocated memory was 208.7 MB in the beginning and 253.8 MB in the end (delta: 45.1 MB). Free memory was 138.3 MB in the beginning and 202.0 MB in the end (delta: -63.7 MB). Peak memory consumption was 92.4 MB. Max. memory is 7.1 GB. [2020-07-10 22:17:12,694 INFO L168 Benchmark]: TraceAbstraction took 307.31 ms. Allocated memory is still 253.8 MB. Free memory was 200.0 MB in the beginning and 181.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2020-07-10 22:17:12,698 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 139.5 MB. Free memory is still 120.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1130.15 ms. Allocated memory was 139.5 MB in the beginning and 208.7 MB in the end (delta: 69.2 MB). Free memory was 98.5 MB in the beginning and 149.0 MB in the end (delta: -50.5 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 183.34 ms. Allocated memory is still 208.7 MB. Free memory was 149.0 MB in the beginning and 138.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2390.32 ms. Allocated memory was 208.7 MB in the beginning and 253.8 MB in the end (delta: 45.1 MB). Free memory was 138.3 MB in the beginning and 202.0 MB in the end (delta: -63.7 MB). Peak memory consumption was 92.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 307.31 ms. Allocated memory is still 253.8 MB. Free memory was 200.0 MB in the beginning and 181.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.generateMetaTrace(AcceleratedInterpolation.java:442) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...