/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 0.1.25-46f3038-m [2020-07-08 19:32:44,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 19:32:44,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 19:32:44,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 19:32:44,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 19:32:44,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 19:32:44,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 19:32:44,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 19:32:44,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 19:32:44,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 19:32:44,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 19:32:44,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 19:32:44,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 19:32:44,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 19:32:44,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 19:32:44,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 19:32:44,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 19:32:44,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 19:32:44,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 19:32:44,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 19:32:44,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 19:32:44,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 19:32:44,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 19:32:44,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 19:32:44,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 19:32:44,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 19:32:44,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 19:32:44,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 19:32:44,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 19:32:44,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 19:32:44,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 19:32:44,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 19:32:44,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 19:32:44,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 19:32:44,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 19:32:44,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 19:32:44,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 19:32:44,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 19:32:44,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 19:32:44,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 19:32:44,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 19:32:44,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2020-07-08 19:32:44,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 19:32:44,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 19:32:44,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 19:32:44,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 19:32:44,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 19:32:44,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 19:32:44,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 19:32:44,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 19:32:44,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 19:32:44,186 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 19:32:44,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 19:32:44,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 19:32:44,187 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 19:32:44,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 19:32:44,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 19:32:44,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 19:32:44,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 19:32:44,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 19:32:44,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 19:32:44,188 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 19:32:44,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 19:32:44,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 19:32:44,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 19:32:44,499 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 19:32:44,500 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 19:32:44,501 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-07-08 19:32:44,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42b575c2/2d7ffd56d18d4b08a5ac2c1340abdfe3/FLAG6c1dded6d [2020-07-08 19:32:45,172 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 19:32:45,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-07-08 19:32:45,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42b575c2/2d7ffd56d18d4b08a5ac2c1340abdfe3/FLAG6c1dded6d [2020-07-08 19:32:45,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42b575c2/2d7ffd56d18d4b08a5ac2c1340abdfe3 [2020-07-08 19:32:45,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 19:32:45,485 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 19:32:45,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 19:32:45,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 19:32:45,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 19:32:45,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 07:32:45" (1/1) ... [2020-07-08 19:32:45,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d9ea2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 07:32:45, skipping insertion in model container [2020-07-08 19:32:45,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 07:32:45" (1/1) ... [2020-07-08 19:32:45,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 19:32:45,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 19:32:46,013 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-07-08 19:32:46,014 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] [2020-07-08 19:32:46,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 19:32:46,429 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 19:32:46,534 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-07-08 19:32:46,534 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] [2020-07-08 19:32:46,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 19:32:46,785 INFO L208 MainTranslator]: Completed translation [2020-07-08 19:32:46,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 07:32:46 WrapperNode [2020-07-08 19:32:46,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 19:32:46,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 19:32:46,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 19:32:46,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 19:32:46,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 07:32:46" (1/1) ... [2020-07-08 19:32:46,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 07:32:46" (1/1) ... [2020-07-08 19:32:46,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 07:32:46" (1/1) ... [2020-07-08 19:32:46,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 07:32:46" (1/1) ... [2020-07-08 19:32:46,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 07:32:46" (1/1) ... [2020-07-08 19:32:46,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 07:32:46" (1/1) ... [2020-07-08 19:32:46,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 07:32:46" (1/1) ... [2020-07-08 19:32:46,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 19:32:47,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 19:32:47,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 19:32:47,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 19:32:47,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 07:32:46" (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 [2020-07-08 19:32:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 19:32:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 19:32:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-07-08 19:32:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-07-08 19:32:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-07-08 19:32:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-07-08 19:32:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-07-08 19:32:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-07-08 19:32:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-07-08 19:32:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 19:32:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-07-08 19:32:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-07-08 19:32:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-07-08 19:32:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-07-08 19:32:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-07-08 19:32:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-07-08 19:32:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-07-08 19:32:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-07-08 19:32:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-07-08 19:32:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2020-07-08 19:32:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2020-07-08 19:32:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2020-07-08 19:32:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2020-07-08 19:32:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2020-07-08 19:32:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2020-07-08 19:32:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2020-07-08 19:32:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2020-07-08 19:32:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2020-07-08 19:32:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2020-07-08 19:32:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2020-07-08 19:32:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2020-07-08 19:32:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 19:32:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-07-08 19:32:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-07-08 19:32:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-07-08 19:32:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-07-08 19:32:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-07-08 19:32:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-07-08 19:32:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-07-08 19:32:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2020-07-08 19:32:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-07-08 19:32:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-07-08 19:32:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-07-08 19:32:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2020-07-08 19:32:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2020-07-08 19:32:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-07-08 19:32:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-07-08 19:32:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-07-08 19:32:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-07-08 19:32:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-07-08 19:32:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-07-08 19:32:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2020-07-08 19:32:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2020-07-08 19:32:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2020-07-08 19:32:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-07-08 19:32:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-07-08 19:32:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-08 19:32:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-08 19:32:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 19:32:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-07-08 19:32:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-07-08 19:32:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-07-08 19:32:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-07-08 19:32:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 19:32:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-07-08 19:32:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-07-08 19:32:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-07-08 19:32:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-07-08 19:32:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 19:32:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-07-08 19:32:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-07-08 19:32:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-07-08 19:32:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-07-08 19:32:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-07-08 19:32:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-08 19:32:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-07-08 19:32:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-07-08 19:32:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-07-08 19:32:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 19:32:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-08 19:32:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 19:32:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-07-08 19:32:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 19:32:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 19:32:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-07-08 19:32:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 19:32:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-07-08 19:32:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-08 19:32:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-07-08 19:32:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-07-08 19:32:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-07-08 19:32:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-07-08 19:32:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-07-08 19:32:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-07-08 19:32:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-07-08 19:32:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2020-07-08 19:32:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2020-07-08 19:32:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2020-07-08 19:32:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2020-07-08 19:32:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2020-07-08 19:32:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2020-07-08 19:32:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2020-07-08 19:32:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2020-07-08 19:32:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2020-07-08 19:32:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2020-07-08 19:32:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2020-07-08 19:32:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2020-07-08 19:32:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2020-07-08 19:32:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2020-07-08 19:32:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2020-07-08 19:32:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 19:32:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 19:32:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 19:32:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2020-07-08 19:32:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2020-07-08 19:32:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2020-07-08 19:32:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-07-08 19:32:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-07-08 19:32:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-07-08 19:32:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 19:32:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-07-08 19:32:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-07-08 19:32:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-07-08 19:32:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-07-08 19:32:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-07-08 19:32:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-07-08 19:32:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-08 19:32:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 19:32:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 19:32:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-08 19:32:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-08 19:32:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 19:32:47,942 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-07-08 19:32:49,417 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 19:32:49,418 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 19:32:49,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 07:32:49 BoogieIcfgContainer [2020-07-08 19:32:49,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 19:32:49,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 19:32:49,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 19:32:49,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 19:32:49,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 07:32:45" (1/3) ... [2020-07-08 19:32:49,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2703c774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 07:32:49, skipping insertion in model container [2020-07-08 19:32:49,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 07:32:46" (2/3) ... [2020-07-08 19:32:49,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2703c774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 07:32:49, skipping insertion in model container [2020-07-08 19:32:49,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 07:32:49" (3/3) ... [2020-07-08 19:32:49,435 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 [2020-07-08 19:32:49,446 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 19:32:49,455 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 19:32:49,470 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 19:32:49,496 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 19:32:49,496 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 19:32:49,496 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 19:32:49,496 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 19:32:49,497 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 19:32:49,497 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 19:32:49,497 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 19:32:49,497 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 19:32:49,533 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states. [2020-07-08 19:32:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-07-08 19:32:49,576 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 19:32:49,577 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] [2020-07-08 19:32:49,581 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 19:32:49,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 19:32:49,588 INFO L82 PathProgramCache]: Analyzing trace with hash 965266846, now seen corresponding path program 1 times [2020-07-08 19:32:49,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 19:32:49,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343802526] [2020-07-08 19:32:49,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 19:32:49,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 19:32:49,748 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) [2020-07-08 19:32:49,756 INFO L168 Benchmark]: Toolchain (without parser) took 4269.36 ms. Allocated memory was 144.2 MB in the beginning and 251.7 MB in the end (delta: 107.5 MB). Free memory was 99.2 MB in the beginning and 174.7 MB in the end (delta: -75.6 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2020-07-08 19:32:49,757 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 19:32:49,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1296.49 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 99.0 MB in the beginning and 136.2 MB in the end (delta: -37.3 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-08 19:32:49,759 INFO L168 Benchmark]: Boogie Preprocessor took 213.01 ms. Allocated memory is still 203.4 MB. Free memory was 136.2 MB in the beginning and 125.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-07-08 19:32:49,760 INFO L168 Benchmark]: RCFGBuilder took 2427.50 ms. Allocated memory was 203.4 MB in the beginning and 251.7 MB in the end (delta: 48.2 MB). Free memory was 125.7 MB in the beginning and 193.8 MB in the end (delta: -68.1 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2020-07-08 19:32:49,761 INFO L168 Benchmark]: TraceAbstraction took 323.13 ms. Allocated memory is still 251.7 MB. Free memory was 193.8 MB in the beginning and 174.7 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2020-07-08 19:32:49,765 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 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1296.49 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 99.0 MB in the beginning and 136.2 MB in the end (delta: -37.3 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 213.01 ms. Allocated memory is still 203.4 MB. Free memory was 136.2 MB in the beginning and 125.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2427.50 ms. Allocated memory was 203.4 MB in the beginning and 251.7 MB in the end (delta: 48.2 MB). Free memory was 125.7 MB in the beginning and 193.8 MB in the end (delta: -68.1 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 323.13 ms. Allocated memory is still 251.7 MB. Free memory was 193.8 MB in the beginning and 174.7 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 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...