java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ_mostprecise.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test12_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 02:12:04,897 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 02:12:04,899 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 02:12:04,918 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 02:12:04,918 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 02:12:04,923 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 02:12:04,924 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 02:12:04,926 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 02:12:04,929 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 02:12:04,930 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 02:12:04,931 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 02:12:04,931 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 02:12:04,932 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 02:12:04,934 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 02:12:04,935 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 02:12:04,938 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 02:12:04,940 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 02:12:04,942 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 02:12:04,944 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 02:12:04,945 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 02:12:04,948 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-21 02:12:04,948 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-21 02:12:04,948 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-21 02:12:04,949 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-21 02:12:04,950 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-21 02:12:04,952 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-21 02:12:04,952 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-21 02:12:04,953 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-21 02:12:04,953 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-21 02:12:04,953 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 02:12:04,954 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 02:12:04,955 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ_mostprecise.epf [2018-01-21 02:12:04,966 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 02:12:04,966 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 02:12:04,967 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 02:12:04,967 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 02:12:04,967 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 02:12:04,968 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 02:12:04,968 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 02:12:04,968 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 02:12:04,968 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 02:12:04,969 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 02:12:04,969 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 02:12:04,969 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 02:12:04,969 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 02:12:04,970 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 02:12:04,970 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 02:12:04,970 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 02:12:04,970 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 02:12:04,970 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 02:12:04,971 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 02:12:04,971 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 02:12:04,972 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 02:12:04,972 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 02:12:04,973 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 02:12:04,973 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 02:12:04,973 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 02:12:04,973 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 02:12:04,973 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 02:12:04,973 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 02:12:04,974 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 02:12:04,974 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 02:12:04,974 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 02:12:04,974 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 02:12:04,974 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 02:12:04,975 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-21 02:12:04,975 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 02:12:04,975 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 02:12:04,975 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 02:12:04,976 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 02:12:04,976 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 02:12:05,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 02:12:05,048 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 02:12:05,055 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 02:12:05,057 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 02:12:05,057 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 02:12:05,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test12_false-valid-free.i [2018-01-21 02:12:05,309 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 02:12:05,333 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 02:12:05,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 02:12:05,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 02:12:05,341 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 02:12:05,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 02:12:05" (1/1) ... [2018-01-21 02:12:05,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2067ed9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:12:05, skipping insertion in model container [2018-01-21 02:12:05,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 02:12:05" (1/1) ... [2018-01-21 02:12:05,367 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 02:12:05,448 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 02:12:05,619 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 02:12:05,682 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 02:12:05,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:12:05 WrapperNode [2018-01-21 02:12:05,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 02:12:05,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 02:12:05,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 02:12:05,706 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 02:12:05,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:12:05" (1/1) ... [2018-01-21 02:12:05,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:12:05" (1/1) ... [2018-01-21 02:12:05,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:12:05" (1/1) ... [2018-01-21 02:12:05,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:12:05" (1/1) ... [2018-01-21 02:12:05,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:12:05" (1/1) ... [2018-01-21 02:12:05,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:12:05" (1/1) ... [2018-01-21 02:12:05,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:12:05" (1/1) ... [2018-01-21 02:12:05,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 02:12:05,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 02:12:05,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 02:12:05,793 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 02:12:05,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:12:05" (1/1) ... No working directory specified, using /storage/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 [2018-01-21 02:12:05,854 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 02:12:05,855 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 02:12:05,855 INFO L136 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2018-01-21 02:12:05,855 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-21 02:12:05,855 INFO L136 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-01-21 02:12:05,855 INFO L136 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-01-21 02:12:05,855 INFO L136 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-01-21 02:12:05,855 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-01-21 02:12:05,855 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-01-21 02:12:05,856 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-01-21 02:12:05,856 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-01-21 02:12:05,856 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-01-21 02:12:05,856 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-01-21 02:12:05,856 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-01-21 02:12:05,856 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-01-21 02:12:05,856 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-01-21 02:12:05,856 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-01-21 02:12:05,856 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-01-21 02:12:05,856 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2018-01-21 02:12:05,857 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2018-01-21 02:12:05,857 INFO L136 BoogieDeclarations]: Found implementation of procedure master_xfer [2018-01-21 02:12:05,857 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_i2c_transfer [2018-01-21 02:12:05,857 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_m88ts2022_rd_reg [2018-01-21 02:12:05,857 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_12 [2018-01-21 02:12:05,857 INFO L136 BoogieDeclarations]: Found implementation of procedure free_12 [2018-01-21 02:12:05,857 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-21 02:12:05,857 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 02:12:05,857 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 02:12:05,858 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 02:12:05,858 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 02:12:05,858 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 02:12:05,858 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 02:12:05,858 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 02:12:05,858 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 02:12:05,858 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-01-21 02:12:05,858 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-01-21 02:12:05,858 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 02:12:05,858 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 02:12:05,858 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 02:12:05,859 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-01-21 02:12:05,859 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-21 02:12:05,859 INFO L128 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-01-21 02:12:05,859 INFO L128 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-01-21 02:12:05,859 INFO L128 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-01-21 02:12:05,859 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-01-21 02:12:05,860 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-01-21 02:12:05,860 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-01-21 02:12:05,860 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-01-21 02:12:05,860 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-01-21 02:12:05,860 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-01-21 02:12:05,860 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-01-21 02:12:05,860 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-01-21 02:12:05,861 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-01-21 02:12:05,861 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-01-21 02:12:05,861 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-01-21 02:12:05,861 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2018-01-21 02:12:05,861 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2018-01-21 02:12:05,861 INFO L128 BoogieDeclarations]: Found specification of procedure master_xfer [2018-01-21 02:12:05,861 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_i2c_transfer [2018-01-21 02:12:05,862 INFO L128 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2018-01-21 02:12:05,862 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_m88ts2022_rd_reg [2018-01-21 02:12:05,862 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_12 [2018-01-21 02:12:05,862 INFO L128 BoogieDeclarations]: Found specification of procedure free_12 [2018-01-21 02:12:05,862 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-21 02:12:05,862 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 02:12:05,862 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 02:12:05,863 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 02:12:06,781 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 02:12:06,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 02:12:06 BoogieIcfgContainer [2018-01-21 02:12:06,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 02:12:06,783 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-21 02:12:06,783 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-21 02:12:06,783 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-21 02:12:06,784 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 02:12:06" (1/1) ... [2018-01-21 02:12:06,833 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown