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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero3_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-35b68b2 [2018-04-07 02:27:41,103 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-07 02:27:41,105 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-07 02:27:41,137 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-07 02:27:41,137 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-07 02:27:41,145 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-07 02:27:41,146 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-07 02:27:41,154 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-07 02:27:41,156 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-07 02:27:41,156 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-07 02:27:41,157 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-07 02:27:41,157 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-07 02:27:41,162 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-07 02:27:41,163 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-07 02:27:41,163 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-07 02:27:41,165 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-07 02:27:41,167 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-07 02:27:41,169 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-07 02:27:41,170 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-07 02:27:41,171 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-07 02:27:41,174 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-07 02:27:41,174 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-07 02:27:41,174 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-07 02:27:41,175 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-07 02:27:41,176 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-07 02:27:41,177 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-07 02:27:41,178 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-07 02:27:41,178 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-07 02:27:41,179 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-07 02:27:41,179 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-07 02:27:41,180 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-07 02:27:41,180 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-07 02:27:41,206 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-07 02:27:41,206 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-07 02:27:41,207 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-07 02:27:41,207 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-07 02:27:41,208 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-07 02:27:41,208 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-07 02:27:41,208 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-07 02:27:41,208 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-07 02:27:41,209 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-07 02:27:41,209 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-07 02:27:41,209 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-07 02:27:41,209 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-07 02:27:41,210 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-07 02:27:41,210 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-07 02:27:41,210 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-07 02:27:41,210 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-07 02:27:41,210 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-07 02:27:41,211 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-07 02:27:41,211 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-07 02:27:41,211 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-07 02:27:41,211 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-07 02:27:41,211 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-07 02:27:41,212 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-07 02:27:41,212 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-07 02:27:41,212 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-07 02:27:41,212 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-07 02:27:41,212 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-07 02:27:41,213 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-07 02:27:41,213 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-07 02:27:41,213 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-07 02:27:41,213 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-07 02:27:41,213 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-07 02:27:41,214 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:41,214 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-07 02:27:41,215 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-07 02:27:41,215 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-07 02:27:41,215 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-07 02:27:41,215 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-07 02:27:41,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-07 02:27:41,269 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-07 02:27:41,274 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-07 02:27:41,275 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-07 02:27:41,276 INFO L276 PluginConnector]: CDTParser initialized [2018-04-07 02:27:41,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero3_true-valid-memsafety_true-termination.c [2018-04-07 02:27:41,635 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG4c199d1ec [2018-04-07 02:27:41,758 INFO L287 CDTParser]: IsIndexed: true [2018-04-07 02:27:41,758 INFO L288 CDTParser]: Found 1 translation units. [2018-04-07 02:27:41,758 INFO L168 CDTParser]: Scanning memsetNonZero3_true-valid-memsafety_true-termination.c [2018-04-07 02:27:41,760 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-07 02:27:41,760 INFO L215 ultiparseSymbolTable]: [2018-04-07 02:27:41,760 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-07 02:27:41,761 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in memsetNonZero3_true-valid-memsafety_true-termination.c [2018-04-07 02:27:41,761 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-07 02:27:41,761 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero__true_valid_memsafety_true_termination_c____kernel_size_t in memsetNonZero3_true-valid-memsafety_true-termination.c [2018-04-07 02:27:41,761 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero__true_valid_memsafety_true_termination_c__size_t in memsetNonZero3_true-valid-memsafety_true-termination.c [2018-04-07 02:27:41,761 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero__true_valid_memsafety_true_termination_c____u32 in memsetNonZero3_true-valid-memsafety_true-termination.c [2018-04-07 02:27:41,778 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG4c199d1ec [2018-04-07 02:27:41,783 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-07 02:27:41,785 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-04-07 02:27:41,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-07 02:27:41,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-07 02:27:41,797 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-07 02:27:41,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 02:27:41" (1/1) ... [2018-04-07 02:27:41,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b7ab48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:41, skipping insertion in model container [2018-04-07 02:27:41,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 02:27:41" (1/1) ... [2018-04-07 02:27:41,817 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-07 02:27:41,831 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-07 02:27:41,972 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-07 02:27:41,993 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-07 02:27:41,998 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-04-07 02:27:42,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:42 WrapperNode [2018-04-07 02:27:42,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-07 02:27:42,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-07 02:27:42,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-07 02:27:42,006 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-07 02:27:42,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:42" (1/1) ... [2018-04-07 02:27:42,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:42" (1/1) ... [2018-04-07 02:27:42,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:42" (1/1) ... [2018-04-07 02:27:42,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:42" (1/1) ... [2018-04-07 02:27:42,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:42" (1/1) ... [2018-04-07 02:27:42,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:42" (1/1) ... [2018-04-07 02:27:42,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:42" (1/1) ... [2018-04-07 02:27:42,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-07 02:27:42,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-07 02:27:42,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-07 02:27:42,037 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-07 02:27:42,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:42" (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 [2018-04-07 02:27:42,096 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-07 02:27:42,097 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-07 02:27:42,097 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-07 02:27:42,097 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-04-07 02:27:42,097 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-07 02:27:42,097 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-07 02:27:42,097 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-07 02:27:42,098 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-04-07 02:27:42,098 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-07 02:27:42,098 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-07 02:27:42,098 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-07 02:27:42,251 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-07 02:27:42,325 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-07 02:27:42,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 02:27:42 BoogieIcfgContainer [2018-04-07 02:27:42,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-07 02:27:42,326 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-04-07 02:27:42,326 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-04-07 02:27:42,327 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-04-07 02:27:42,330 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 02:27:42" (1/1) ... [2018-04-07 02:27:42,338 INFO L139 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-04-07 02:27:42,339 INFO L140 apSepIcfgTransformer]: To be partitioned heap arrays found [] [2018-04-07 02:27:42,351 INFO L299 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-04-07 02:27:42,360 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-04-07 02:27:42,360 INFO L332 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 0 location literals (each corresponds to one heap write) [2018-04-07 02:27:42,364 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-04-07 02:27:42,366 INFO L412 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-04-07 02:27:42,367 DEBUG L416 apSepIcfgTransformer]: storeIndexInfoToLocLiteral: Map: [2018-04-07 02:27:42,368 DEBUG L418 apSepIcfgTransformer]: edgeToIndexToStoreIndexInfo: NestedMap2: [2018-04-07 02:27:42,422 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-04-07 02:27:43,012 INFO L314 AbstractInterpreter]: Visited 29 different actions 34 times. Merged at 4 different actions 4 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 15 variables. [2018-04-07 02:27:43,018 INFO L424 apSepIcfgTransformer]: finished equality analysis [2018-04-07 02:27:43,026 INFO L434 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-04-07 02:27:43,027 INFO L435 apSepIcfgTransformer]: array groups: Set: [2018-04-07 02:27:43,027 INFO L437 apSepIcfgTransformer]: select infos: Set: [2018-04-07 02:27:43,029 INFO L330 HeapPartitionManager]: partitioning result: [2018-04-07 02:27:43,030 INFO L131 ransitionTransformer]: executing heap partitioning transformation [2018-04-07 02:27:43,032 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,033 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:27:43,033 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,033 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,033 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,033 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:27:43,033 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,034 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,034 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,034 DEBUG L281 ransitionTransformer]: Formula: (and (= |v_#NULL.offset_1| 0) (= |v_#NULL.base_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] [2018-04-07 02:27:43,035 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,035 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,035 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,035 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:27:43,035 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,035 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,036 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,036 DEBUG L281 ransitionTransformer]: Formula: (and (not (= |v_main_~#cstats~0.base_1| 0)) (= (store |v_#length_5| |v_main_~#cstats~0.base_1| 80) |v_#length_4|) (= |v_#valid_8| (store |v_#valid_9| |v_main_~#cstats~0.base_1| 1)) (= 0 (select |v_#valid_9| |v_main_~#cstats~0.base_1|)) (= |v_main_~#cstats~0.offset_1| 0)) InVars {#length=|v_#length_5|, #valid=|v_#valid_9|} OutVars{main_~#cstats~0.base=|v_main_~#cstats~0.base_1|, #length=|v_#length_4|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_1|, #valid=|v_#valid_8|} AuxVars[] AssignedVars[#valid, main_~#cstats~0.base, #length, main_~#cstats~0.offset] [2018-04-07 02:27:43,036 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,036 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,036 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,037 DEBUG L281 ransitionTransformer]: Formula: (= |v_#valid_1| (store |v_#valid_2| 0 0)) InVars {#valid=|v_#valid_2|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid] [2018-04-07 02:27:43,037 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,037 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,037 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,037 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{main_~point~0.offset=v_main_~point~0.offset_1, main_~point~0.base=v_main_~point~0.base_1} AuxVars[] AssignedVars[main_~point~0.offset, main_~point~0.base] [2018-04-07 02:27:43,038 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,038 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,038 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,038 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:27:43,038 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,038 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,040 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,041 DEBUG L281 ransitionTransformer]: Formula: (and (= v_main_~point~0.offset_2 |v_main_~#cstats~0.offset_2|) (= v_main_~point~0.base_2 |v_main_~#cstats~0.base_2|)) InVars {main_~#cstats~0.base=|v_main_~#cstats~0.base_2|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_2|} OutVars{main_~point~0.offset=v_main_~point~0.offset_2, main_~#cstats~0.base=|v_main_~#cstats~0.base_2|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_2|, main_~point~0.base=v_main_~point~0.base_2} AuxVars[] AssignedVars[main_~point~0.offset, main_~point~0.base] [2018-04-07 02:27:43,041 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,041 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,042 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,042 DEBUG L281 ransitionTransformer]: Formula: (not (= (select |v_#valid_11| v_main_~point~0.base_4) 1)) InVars {main_~point~0.base=v_main_~point~0.base_4, #valid=|v_#valid_11|} OutVars{main_~point~0.base=v_main_~point~0.base_4, #valid=|v_#valid_11|} AuxVars[] AssignedVars[] [2018-04-07 02:27:43,042 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,042 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,043 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,043 DEBUG L281 ransitionTransformer]: Formula: (or (not (<= (+ v_main_~point~0.offset_4 80) (select |v_#length_7| v_main_~point~0.base_5))) (not (<= 0 v_main_~point~0.offset_4))) InVars {main_~point~0.offset=v_main_~point~0.offset_4, #length=|v_#length_7|, main_~point~0.base=v_main_~point~0.base_5} OutVars{main_~point~0.offset=v_main_~point~0.offset_4, #length=|v_#length_7|, main_~point~0.base=v_main_~point~0.base_5} AuxVars[] AssignedVars[] [2018-04-07 02:27:43,043 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,043 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,044 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,044 DEBUG L281 ransitionTransformer]: Formula: (and (= |v_#Ultimate.C_memset_#ptr.baseInParam_1| v_main_~point~0.base_6) (= |v_#Ultimate.C_memset_#amountInParam_1| 80) (= |v_#Ultimate.C_memset_#ptr.offsetInParam_1| v_main_~point~0.offset_5) (= |v_#Ultimate.C_memset_#valueInParam_1| 10)) InVars {main_~point~0.offset=v_main_~point~0.offset_5, main_~point~0.base=v_main_~point~0.base_6} OutVars{#Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amountInParam_1|, #Ultimate.C_memset_#value=|v_#Ultimate.C_memset_#valueInParam_1|, #Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.baseInParam_1|, #Ultimate.C_memset_#ptr.offset=|v_#Ultimate.C_memset_#ptr.offsetInParam_1|} AuxVars[] AssignedVars[#Ultimate.C_memset_#amount, #Ultimate.C_memset_#value, #Ultimate.C_memset_#ptr.base, #Ultimate.C_memset_#ptr.offset] [2018-04-07 02:27:43,044 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,044 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,045 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,047 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{main_#t~memset3.offset=|v_main_#t~memset3.offset_2|, main_#t~memset3.base=|v_main_#t~memset3.base_2|} AuxVars[] AssignedVars[main_#t~memset3.offset, main_#t~memset3.base] [2018-04-07 02:27:43,047 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,047 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,048 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,048 DEBUG L281 ransitionTransformer]: Formula: (= 1 (select |v_#valid_3| |v_#Ultimate.C_memset_#ptr.base_1|)) InVars {#Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_1|, #valid=|v_#valid_3|} OutVars{#Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_1|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] [2018-04-07 02:27:43,048 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,049 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,049 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,049 DEBUG L281 ransitionTransformer]: Formula: (= |v_main_#res_1| 0) InVars {} OutVars{main_#res=|v_main_#res_1|} AuxVars[] AssignedVars[main_#res] [2018-04-07 02:27:43,049 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,049 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,050 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,050 DEBUG L281 ransitionTransformer]: Formula: (and (<= (+ |v_#Ultimate.C_memset_#ptr.offset_1| |v_#Ultimate.C_memset_#amount_1|) (select |v_#length_1| |v_#Ultimate.C_memset_#ptr.base_2|)) (<= 0 |v_#Ultimate.C_memset_#ptr.offset_1|)) InVars {#length=|v_#length_1|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_1|, #Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_2|, #Ultimate.C_memset_#ptr.offset=|v_#Ultimate.C_memset_#ptr.offset_1|} OutVars{#length=|v_#length_1|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_1|, #Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_2|, #Ultimate.C_memset_#ptr.offset=|v_#Ultimate.C_memset_#ptr.offset_1|} AuxVars[] AssignedVars[] [2018-04-07 02:27:43,050 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,050 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,052 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,053 DEBUG L281 ransitionTransformer]: Formula: (= |v_#valid_12| (store |v_#valid_13| |v_main_~#cstats~0.base_3| 0)) InVars {main_~#cstats~0.base=|v_main_~#cstats~0.base_3|, #valid=|v_#valid_13|} OutVars{main_~#cstats~0.base=|v_main_~#cstats~0.base_3|, #valid=|v_#valid_12|} AuxVars[] AssignedVars[#valid] [2018-04-07 02:27:43,053 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,053 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,054 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,054 DEBUG L281 ransitionTransformer]: Formula: (= |v_#Ultimate.C_memset_#t~loopctr5_1| 0) InVars {} OutVars{#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_1|} AuxVars[] AssignedVars[#Ultimate.C_memset_#t~loopctr5] [2018-04-07 02:27:43,054 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,055 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,055 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,055 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{main_~#cstats~0.base=|v_main_~#cstats~0.base_4|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_4|} AuxVars[] AssignedVars[main_~#cstats~0.base, main_~#cstats~0.offset] [2018-04-07 02:27:43,055 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,055 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,058 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,059 DEBUG L281 ransitionTransformer]: Formula: (< |v_#Ultimate.C_memset_#t~loopctr5_2| |v_#Ultimate.C_memset_#amount_2|) InVars {#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_2|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_2|} OutVars{#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_2|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_2|} AuxVars[] AssignedVars[] [2018-04-07 02:27:43,059 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,059 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,059 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,060 DEBUG L281 ransitionTransformer]: Formula: (not (< |v_#Ultimate.C_memset_#t~loopctr5_5| |v_#Ultimate.C_memset_#amount_3|)) InVars {#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_5|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_3|} OutVars{#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_5|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_3|} AuxVars[] AssignedVars[] [2018-04-07 02:27:43,060 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,060 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,060 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,061 DEBUG L281 ransitionTransformer]: Formula: (= |v_#valid_14| |old(#valid)|) InVars {#valid=|v_#valid_14|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_14|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[] [2018-04-07 02:27:43,061 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,061 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,061 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,062 DEBUG L281 ransitionTransformer]: Formula: (not (= |v_#valid_15| |old(#valid)|)) InVars {#valid=|v_#valid_15|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_15|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[] [2018-04-07 02:27:43,062 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,062 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,062 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,063 DEBUG L281 ransitionTransformer]: Formula: (= |v_#Ultimate.C_memset_#t~loopctr5_3| (+ |v_#Ultimate.C_memset_#t~loopctr5_4| 1)) InVars {#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_4|} OutVars{#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_3|} AuxVars[] AssignedVars[#Ultimate.C_memset_#t~loopctr5] [2018-04-07 02:27:43,063 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,063 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,063 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,064 DEBUG L281 ransitionTransformer]: Formula: (and (= |v_#Ultimate.C_memset_#res.base_1| |v_#Ultimate.C_memset_#ptr.base_3|) (= |v_#Ultimate.C_memset_#ptr.offset_2| |v_#Ultimate.C_memset_#res.offset_1|)) InVars {#Ultimate.C_memset_#res.base=|v_#Ultimate.C_memset_#res.base_1|, #Ultimate.C_memset_#res.offset=|v_#Ultimate.C_memset_#res.offset_1|, #Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_3|, #Ultimate.C_memset_#ptr.offset=|v_#Ultimate.C_memset_#ptr.offset_2|} OutVars{#Ultimate.C_memset_#res.base=|v_#Ultimate.C_memset_#res.base_1|, #Ultimate.C_memset_#res.offset=|v_#Ultimate.C_memset_#res.offset_1|, #Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_3|, #Ultimate.C_memset_#ptr.offset=|v_#Ultimate.C_memset_#ptr.offset_2|} AuxVars[] AssignedVars[] [2018-04-07 02:27:43,065 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,065 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,065 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,065 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:27:43,066 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,066 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,066 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,066 DEBUG L281 ransitionTransformer]: Formula: (= |v_ULTIMATE.start_#t~ret4_2| |v_main_#resOutParam_1|) InVars {main_#res=|v_main_#resOutParam_1|} OutVars{ULTIMATE.start_#t~ret4=|v_ULTIMATE.start_#t~ret4_2|} AuxVars[] AssignedVars[ULTIMATE.start_#t~ret4] [2018-04-07 02:27:43,066 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,067 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,067 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:43,067 DEBUG L281 ransitionTransformer]: Formula: (and (= |v_main_#t~memset3.offset_3| |v_#Ultimate.C_memset_#res.offsetOutParam_1|) (= |v_main_#t~memset3.base_3| |v_#Ultimate.C_memset_#res.baseOutParam_1|)) InVars {#Ultimate.C_memset_#res.base=|v_#Ultimate.C_memset_#res.baseOutParam_1|, #Ultimate.C_memset_#res.offset=|v_#Ultimate.C_memset_#res.offsetOutParam_1|} OutVars{main_#t~memset3.offset=|v_main_#t~memset3.offset_3|, main_#t~memset3.base=|v_main_#t~memset3.base_3|} AuxVars[] AssignedVars[main_#t~memset3.offset, main_#t~memset3.base] [2018-04-07 02:27:43,067 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:43,069 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:43,070 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-04-07 02:27:43,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 02:27:43 BasicIcfg [2018-04-07 02:27:43,071 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-04-07 02:27:43,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-07 02:27:43,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-07 02:27:43,076 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-07 02:27:43,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.04 02:27:41" (1/4) ... [2018-04-07 02:27:43,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653bfa95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 02:27:43, skipping insertion in model container [2018-04-07 02:27:43,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:42" (2/4) ... [2018-04-07 02:27:43,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653bfa95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 02:27:43, skipping insertion in model container [2018-04-07 02:27:43,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 02:27:42" (3/4) ... [2018-04-07 02:27:43,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653bfa95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 02:27:43, skipping insertion in model container [2018-04-07 02:27:43,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 02:27:43" (4/4) ... [2018-04-07 02:27:43,080 INFO L107 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-04-07 02:27:43,091 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-07 02:27:43,099 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-04-07 02:27:43,144 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-07 02:27:43,145 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-07 02:27:43,146 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-07 02:27:43,146 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-07 02:27:43,146 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-07 02:27:43,146 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-07 02:27:43,146 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-07 02:27:43,146 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-07 02:27:43,147 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-07 02:27:43,148 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-07 02:27:43,162 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-04-07 02:27:43,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-07 02:27:43,167 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:43,168 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:27:43,168 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:43,172 INFO L82 PathProgramCache]: Analyzing trace with hash 374836112, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:43,184 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:43,222 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:43,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-07 02:27:43,266 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-07 02:27:43,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-07 02:27:43,273 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-07 02:27:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:43,288 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:43,319 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-07 02:27:43,320 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-07 02:27:43,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-07 02:27:43,329 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-07 02:27:43,330 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-07 02:27:43,331 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2018-04-07 02:27:43,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:43,402 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-04-07 02:27:43,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-07 02:27:43,404 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-07 02:27:43,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:43,417 INFO L225 Difference]: With dead ends: 28 [2018-04-07 02:27:43,418 INFO L226 Difference]: Without dead ends: 24 [2018-04-07 02:27:43,420 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-07 02:27:43,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-04-07 02:27:43,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-04-07 02:27:43,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-04-07 02:27:43,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-04-07 02:27:43,455 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 10 [2018-04-07 02:27:43,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:43,455 INFO L459 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-04-07 02:27:43,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-07 02:27:43,455 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-04-07 02:27:43,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-07 02:27:43,456 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:43,456 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:27:43,456 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:43,456 INFO L82 PathProgramCache]: Analyzing trace with hash 374836113, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:43,463 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:43,477 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:43,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-07 02:27:43,490 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-07 02:27:43,494 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-07 02:27:43,494 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-07 02:27:43,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:43,509 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:43,595 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-07 02:27:43,595 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-07 02:27:43,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-07 02:27:43,597 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-07 02:27:43,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-07 02:27:43,597 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 6 states. [2018-04-07 02:27:43,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:43,629 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-04-07 02:27:43,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-07 02:27:43,629 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-04-07 02:27:43,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:43,630 INFO L225 Difference]: With dead ends: 24 [2018-04-07 02:27:43,631 INFO L226 Difference]: Without dead ends: 23 [2018-04-07 02:27:43,632 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-07 02:27:43,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-04-07 02:27:43,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-04-07 02:27:43,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-04-07 02:27:43,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-04-07 02:27:43,637 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 10 [2018-04-07 02:27:43,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:43,637 INFO L459 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-04-07 02:27:43,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-07 02:27:43,637 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-04-07 02:27:43,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-07 02:27:43,638 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:43,639 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:27:43,639 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:43,639 INFO L82 PathProgramCache]: Analyzing trace with hash 188004177, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:43,650 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:43,667 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:43,692 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:43,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:43,784 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-07 02:27:43,784 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-07 02:27:43,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-07 02:27:43,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-07 02:27:43,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-07 02:27:43,785 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 6 states. [2018-04-07 02:27:43,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:43,847 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2018-04-07 02:27:43,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-07 02:27:43,847 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-04-07 02:27:43,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:43,848 INFO L225 Difference]: With dead ends: 36 [2018-04-07 02:27:43,848 INFO L226 Difference]: Without dead ends: 26 [2018-04-07 02:27:43,849 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-07 02:27:43,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-04-07 02:27:43,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-04-07 02:27:43,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-07 02:27:43,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2018-04-07 02:27:43,853 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 21 [2018-04-07 02:27:43,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:43,853 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2018-04-07 02:27:43,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-07 02:27:43,854 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2018-04-07 02:27:43,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-07 02:27:43,854 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:43,855 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:27:43,855 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:43,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1376876967, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:43,867 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:43,886 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:43,911 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:44,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:44,072 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-07 02:27:44,072 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-04-07 02:27:44,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-07 02:27:44,073 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-07 02:27:44,073 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-04-07 02:27:44,073 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 10 states. [2018-04-07 02:27:44,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:44,127 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-04-07 02:27:44,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-07 02:27:44,127 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2018-04-07 02:27:44,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:44,128 INFO L225 Difference]: With dead ends: 44 [2018-04-07 02:27:44,128 INFO L226 Difference]: Without dead ends: 34 [2018-04-07 02:27:44,129 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2018-04-07 02:27:44,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-07 02:27:44,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-07 02:27:44,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-07 02:27:44,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-04-07 02:27:44,134 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 25 [2018-04-07 02:27:44,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:44,135 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-04-07 02:27:44,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-07 02:27:44,135 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-04-07 02:27:44,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-07 02:27:44,136 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:44,136 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:27:44,136 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:44,136 INFO L82 PathProgramCache]: Analyzing trace with hash -2093492119, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:44,142 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:44,159 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:44,241 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:44,241 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:44,574 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-07 02:27:44,574 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-04-07 02:27:44,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-07 02:27:44,575 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-07 02:27:44,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=167, Unknown=0, NotChecked=0, Total=306 [2018-04-07 02:27:44,575 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 18 states. [2018-04-07 02:27:44,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:44,714 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions. [2018-04-07 02:27:44,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-07 02:27:44,715 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 33 [2018-04-07 02:27:44,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:44,716 INFO L225 Difference]: With dead ends: 60 [2018-04-07 02:27:44,716 INFO L226 Difference]: Without dead ends: 50 [2018-04-07 02:27:44,717 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=191, Unknown=0, NotChecked=0, Total=342 [2018-04-07 02:27:44,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-07 02:27:44,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-07 02:27:44,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-07 02:27:44,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-04-07 02:27:44,724 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 33 [2018-04-07 02:27:44,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:44,725 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-04-07 02:27:44,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-07 02:27:44,725 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-04-07 02:27:44,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-07 02:27:44,726 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:44,726 INFO L355 BasicCegarLoop]: trace histogram [14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:27:44,727 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:44,727 INFO L82 PathProgramCache]: Analyzing trace with hash -967226231, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:44,733 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:44,756 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:44,899 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:45,337 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-07 02:27:45,337 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2018-04-07 02:27:45,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-07 02:27:45,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-07 02:27:45,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=531, Invalid=591, Unknown=0, NotChecked=0, Total=1122 [2018-04-07 02:27:45,339 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 34 states. [2018-04-07 02:27:45,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:45,468 INFO L93 Difference]: Finished difference Result 92 states and 107 transitions. [2018-04-07 02:27:45,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-07 02:27:45,468 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 49 [2018-04-07 02:27:45,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:45,469 INFO L225 Difference]: With dead ends: 92 [2018-04-07 02:27:45,469 INFO L226 Difference]: Without dead ends: 82 [2018-04-07 02:27:45,470 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=551, Invalid=639, Unknown=0, NotChecked=0, Total=1190 [2018-04-07 02:27:45,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-07 02:27:45,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-04-07 02:27:45,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-07 02:27:45,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-04-07 02:27:45,477 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 49 [2018-04-07 02:27:45,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:45,478 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2018-04-07 02:27:45,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-07 02:27:45,478 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-04-07 02:27:45,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-07 02:27:45,480 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:45,481 INFO L355 BasicCegarLoop]: trace histogram [30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:27:45,481 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:45,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1332251447, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:45,491 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:45,521 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:46,076 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:46,076 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:47,891 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:47,914 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-07 02:27:47,914 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66 [2018-04-07 02:27:47,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-04-07 02:27:47,916 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-04-07 02:27:47,918 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2083, Invalid=2207, Unknown=0, NotChecked=0, Total=4290 [2018-04-07 02:27:47,919 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand 66 states. [2018-04-07 02:27:48,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:48,216 INFO L93 Difference]: Finished difference Result 156 states and 187 transitions. [2018-04-07 02:27:48,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-04-07 02:27:48,216 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 81 [2018-04-07 02:27:48,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:48,218 INFO L225 Difference]: With dead ends: 156 [2018-04-07 02:27:48,218 INFO L226 Difference]: Without dead ends: 146 [2018-04-07 02:27:48,219 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=2119, Invalid=2303, Unknown=0, NotChecked=0, Total=4422 [2018-04-07 02:27:48,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-04-07 02:27:48,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-04-07 02:27:48,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-07 02:27:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 146 transitions. [2018-04-07 02:27:48,230 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 146 transitions. Word has length 81 [2018-04-07 02:27:48,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:48,231 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 146 transitions. [2018-04-07 02:27:48,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-04-07 02:27:48,231 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 146 transitions. [2018-04-07 02:27:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-04-07 02:27:48,232 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:48,233 INFO L355 BasicCegarLoop]: trace histogram [62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:27:48,233 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:48,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1560230583, now seen corresponding path program 5 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:48,239 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:48,275 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:49,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3844 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:49,813 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:50,002 WARN L148 SmtUtils]: Spent 184ms on a formula simplification that was a NOOP. DAG size: 194 [2018-04-07 02:27:50,182 WARN L148 SmtUtils]: Spent 177ms on a formula simplification that was a NOOP. DAG size: 194 [2018-04-07 02:27:53,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3844 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:53,739 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-07 02:27:53,739 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66] total 130 [2018-04-07 02:27:53,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-04-07 02:27:53,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-04-07 02:27:53,743 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7224, Invalid=9546, Unknown=0, NotChecked=0, Total=16770 [2018-04-07 02:27:53,744 INFO L87 Difference]: Start difference. First operand 146 states and 146 transitions. Second operand 130 states. [2018-04-07 02:27:54,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:54,072 INFO L93 Difference]: Finished difference Result 192 states and 209 transitions. [2018-04-07 02:27:54,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-04-07 02:27:54,072 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 145 [2018-04-07 02:27:54,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:54,075 INFO L225 Difference]: With dead ends: 192 [2018-04-07 02:27:54,075 INFO L226 Difference]: Without dead ends: 182 [2018-04-07 02:27:54,080 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 160 SyntacticMatches, 1 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2914 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=7292, Invalid=9738, Unknown=0, NotChecked=0, Total=17030 [2018-04-07 02:27:54,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-04-07 02:27:54,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2018-04-07 02:27:54,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-04-07 02:27:54,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 182 transitions. [2018-04-07 02:27:54,099 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 182 transitions. Word has length 145 [2018-04-07 02:27:54,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:54,100 INFO L459 AbstractCegarLoop]: Abstraction has 182 states and 182 transitions. [2018-04-07 02:27:54,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-04-07 02:27:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 182 transitions. [2018-04-07 02:27:54,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-04-07 02:27:54,104 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:54,104 INFO L355 BasicCegarLoop]: trace histogram [80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:27:54,104 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:54,105 INFO L82 PathProgramCache]: Analyzing trace with hash 2121261201, now seen corresponding path program 6 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:54,113 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:54,155 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:54,169 INFO L700 Elim1Store]: detected not equals via solver [2018-04-07 02:27:54,170 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-07 02:27:54,170 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-07 02:27:54,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-07 02:27:54,171 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-07 02:27:54,254 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_~#cstats~0.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_~#cstats~0.base| 0)) (= 0 (select |c_old(#valid)| |main_~#cstats~0.base|)))) is different from true [2018-04-07 02:27:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6400 trivial. 0 not checked. [2018-04-07 02:27:54,307 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:54,326 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#cstats~0.base_15| Int)) (or (= (store |c_#valid| |v_main_~#cstats~0.base_15| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_~#cstats~0.base_15|))))) is different from false [2018-04-07 02:27:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6400 trivial. 0 not checked. [2018-04-07 02:27:54,362 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-07 02:27:54,362 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-07 02:27:54,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-07 02:27:54,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-07 02:27:54,363 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-07 02:27:54,363 INFO L87 Difference]: Start difference. First operand 182 states and 182 transitions. Second operand 8 states. [2018-04-07 02:27:54,368 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_~#cstats~0.base_15| Int)) (or (= (store |c_#valid| |v_main_~#cstats~0.base_15| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_~#cstats~0.base_15|))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-07 02:27:54,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:54,496 INFO L93 Difference]: Finished difference Result 182 states and 182 transitions. [2018-04-07 02:27:54,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-07 02:27:54,497 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2018-04-07 02:27:54,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:54,498 INFO L225 Difference]: With dead ends: 182 [2018-04-07 02:27:54,498 INFO L226 Difference]: Without dead ends: 0 [2018-04-07 02:27:54,499 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 354 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-07 02:27:54,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-07 02:27:54,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-07 02:27:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-07 02:27:54,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-07 02:27:54,501 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2018-04-07 02:27:54,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:54,501 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-07 02:27:54,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-07 02:27:54,502 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-07 02:27:54,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-07 02:27:54,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-07 02:27:54,828 WARN L151 SmtUtils]: Spent 250ms on a formula simplification. DAG size of input: 311 DAG size of output 9 [2018-04-07 02:27:54,941 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-07 02:27:54,942 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-07 02:27:54,942 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-07 02:27:54,942 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-07 02:27:54,942 INFO L419 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-04-07 02:27:54,942 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-07 02:27:54,942 INFO L419 ceAbstractionStarter]: At program point L-1''(line -1) the Hoare annotation is: true [2018-04-07 02:27:54,942 INFO L416 ceAbstractionStarter]: For program point L-1'(line -1) no Hoare annotation was computed. [2018-04-07 02:27:54,943 INFO L416 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-04-07 02:27:54,943 INFO L416 ceAbstractionStarter]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2018-04-07 02:27:54,943 INFO L416 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-04-07 02:27:54,943 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-07 02:27:54,943 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-07 02:27:54,943 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-07 02:27:54,943 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-07 02:27:54,943 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 29) no Hoare annotation was computed. [2018-04-07 02:27:54,943 INFO L416 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-04-07 02:27:54,944 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 25 31) no Hoare annotation was computed. [2018-04-07 02:27:54,944 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 29) no Hoare annotation was computed. [2018-04-07 02:27:54,944 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 25 31) no Hoare annotation was computed. [2018-04-07 02:27:54,944 INFO L416 ceAbstractionStarter]: For program point mainErr2EnsuresViolationMEMORY_LEAK(lines 25 31) no Hoare annotation was computed. [2018-04-07 02:27:54,944 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 25 31) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-07 02:27:54,944 INFO L416 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-04-07 02:27:54,944 INFO L412 ceAbstractionStarter]: At program point L29(line 29) the Hoare annotation is: (and (= 80 (select |#length| main_~point~0.base)) (= 80 (select |#length| |main_~#cstats~0.base|)) (= |#valid| (store |old(#valid)| |main_~#cstats~0.base| 1)) (= main_~point~0.offset 0) (= 0 (select |old(#valid)| |main_~#cstats~0.base|)) (= 1 (select |#valid| main_~point~0.base)) (= 0 |main_~#cstats~0.offset|)) [2018-04-07 02:27:54,944 INFO L416 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-04-07 02:27:54,945 INFO L416 ceAbstractionStarter]: For program point L26'(line 26) no Hoare annotation was computed. [2018-04-07 02:27:54,945 INFO L416 ceAbstractionStarter]: For program point L26''(line 26) no Hoare annotation was computed. [2018-04-07 02:27:54,945 INFO L416 ceAbstractionStarter]: For program point L29'(line 29) no Hoare annotation was computed. [2018-04-07 02:27:54,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 02:27:54 BasicIcfg [2018-04-07 02:27:54,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-07 02:27:54,952 INFO L168 Benchmark]: Toolchain (without parser) took 13168.71 ms. Allocated memory was 307.2 MB in the beginning and 577.2 MB in the end (delta: 270.0 MB). Free memory was 248.6 MB in the beginning and 520.6 MB in the end (delta: -272.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-07 02:27:54,953 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 307.2 MB. Free memory is still 269.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-07 02:27:54,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.83 ms. Allocated memory is still 307.2 MB. Free memory was 248.6 MB in the beginning and 238.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-04-07 02:27:54,953 INFO L168 Benchmark]: Boogie Preprocessor took 30.52 ms. Allocated memory is still 307.2 MB. Free memory was 238.3 MB in the beginning and 237.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-04-07 02:27:54,954 INFO L168 Benchmark]: RCFGBuilder took 289.39 ms. Allocated memory was 307.2 MB in the beginning and 448.8 MB in the end (delta: 141.6 MB). Free memory was 237.4 MB in the beginning and 419.6 MB in the end (delta: -182.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. [2018-04-07 02:27:54,954 INFO L168 Benchmark]: IcfgTransformer took 745.21 ms. Allocated memory is still 448.8 MB. Free memory was 419.6 MB in the beginning and 351.1 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 5.3 GB. [2018-04-07 02:27:54,954 INFO L168 Benchmark]: TraceAbstraction took 11878.82 ms. Allocated memory was 448.8 MB in the beginning and 577.2 MB in the end (delta: 128.5 MB). Free memory was 351.1 MB in the beginning and 520.6 MB in the end (delta: -169.5 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-07 02:27:54,957 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 307.2 MB. Free memory is still 269.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 218.83 ms. Allocated memory is still 307.2 MB. Free memory was 248.6 MB in the beginning and 238.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.52 ms. Allocated memory is still 307.2 MB. Free memory was 238.3 MB in the beginning and 237.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 289.39 ms. Allocated memory was 307.2 MB in the beginning and 448.8 MB in the end (delta: 141.6 MB). Free memory was 237.4 MB in the beginning and 419.6 MB in the end (delta: -182.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. * IcfgTransformer took 745.21 ms. Allocated memory is still 448.8 MB. Free memory was 419.6 MB in the beginning and 351.1 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 11878.82 ms. Allocated memory was 448.8 MB in the beginning and 577.2 MB in the end (delta: 128.5 MB). Free memory was 351.1 MB in the beginning and 520.6 MB in the end (delta: -169.5 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 27 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 188 LocStat_NO_SUPPORTING_DISEQUALITIES : 47 LocStat_NO_DISJUNCTIONS : -54 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 35 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 37 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 36 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 132.29 RENAME_VARIABLES(MILLISECONDS) : 33.19 UNFREEZE(MILLISECONDS) : 0.00 CONJOIN(MILLISECONDS) : 140.46 PROJECTAWAY(MILLISECONDS) : 246.09 ADD_WEAK_EQUALITY(MILLISECONDS) : 6.01 DISJOIN(MILLISECONDS) : 4.50 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 36.96 ADD_EQUALITY(MILLISECONDS) : 7.86 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.00 ADD_DISEQUALITY(MILLISECONDS) : 0.13 #CONJOIN_DISJUNCTIVE : 45 #RENAME_VARIABLES : 87 #UNFREEZE : 0 #CONJOIN : 75 #PROJECTAWAY : 88 #ADD_WEAK_EQUALITY : 4 #DISJOIN : 1 #RENAME_VARIABLES_DISJUNCTIVE : 86 #ADD_EQUALITY : 37 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 3 - StatisticsResult: WeqCcManagerStatistics FREEZE(MILLISECONDS) : 119.97 ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 138.40 FILTERREDUNDANT(MILLISECONDS) : 0.00 REPORTWEQ(MILLISECONDS) : 5.92 JOIN(MILLISECONDS) : 4.10 RENAMEVARS(MILLISECONDS) : 31.52 FLATTENLABELS(MILLISECONDS) : 0.00 COPY(MILLISECONDS) : 0.00 ISSTRONGERTHAN(MILLISECONDS) : 24.47 ISLABELSTRONGERTHAN(MILLISECONDS) : 17.98 ISWEQGRAPHSTRONGERTHAN(MILLISECONDS) : 0.03 UNFREEZE(MILLISECONDS) : 7.77 REPORTCONTAINS(MILLISECONDS) : 0.00 PROJECTAWAY(MILLISECONDS) : 231.63 MEETEDGELABELS(MILLISECONDS) : 24.88 REPORTEQUALITY(MILLISECONDS) : 41.93 ADDALLNODES(MILLISECONDS) : 40.94 REPORTDISEQUALITY(MILLISECONDS) : 0.34 WEQGRAPHJOIN(MILLISECONDS) : 1.28 #FREEZE : 234 #ADDNODE : 0 #MEET : 52 #FILTERREDUNDANT : 0 #REPORTWEQ : 4 #JOIN : 1 #RENAMEVARS : 87 #FLATTENLABELS : 0 #COPY : 0 #ISSTRONGERTHAN : 19 #ISLABELSTRONGERTHAN : 428 #ISWEQGRAPHSTRONGERTHAN : 8 #UNFREEZE : 258 #REPORTCONTAINS : 0 #PROJECTAWAY : 119 #MEETEDGELABELS : 114 #REPORTEQUALITY : 286 #ADDALLNODES : 52 #REPORTDISEQUALITY : 55 #WEQGRAPHJOIN : 1 - StatisticsResult: CcManagerStatistics ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 83.76 REPORT_EQUALITY(MILLISECONDS) : 23.79 FILTERREDUNDANT(MILLISECONDS) : 57.37 ADD_ALL_ELEMENTS(MILLISECONDS) : 7.64 JOIN(MILLISECONDS) : 1.36 ALIGN_ELEMENTS(MILLISECONDS) : 9.54 COPY(MILLISECONDS) : 0.00 REPORT_DISEQUALITY(MILLISECONDS) : 8.71 UNFREEZE(MILLISECONDS) : 0.00 OVERALL(MILLISECONDS) : 137.89 REPORTCONTAINS(MILLISECONDS) : 0.00 IS_STRONGER_THAN_NO_CACHING(MILLISECONDS) : 20.17 REMOVE(MILLISECONDS) : 0.00 IS_STRONGER_THAN_W_CACHING(MILLISECONDS) : 0.00 PROJECT_TO_ELEMENTS(MILLISECONDS) : 36.42 #ADDNODE : 0 #MEET : 297 #REPORT_EQUALITY : 1671 #FILTERREDUNDANT : 1428 #ADD_ALL_ELEMENTS : 362 #JOIN : 1 #ALIGN_ELEMENTS : 32 #COPY : 0 #REPORT_DISEQUALITY : 628 #UNFREEZE : 0 #OVERALL : 5719 #REPORTCONTAINS : 0 #IS_STRONGER_THAN_NO_CACHING : 1037 #REMOVE : 0 #IS_STRONGER_THAN_W_CACHING : 0 #PROJECT_TO_ELEMENTS : 263 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 29]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 29]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 28 locations, 3 error locations. SAFE Result, 11.8s OverallTime, 9 OverallIterations, 80 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 181 SDtfs, 342 SDslu, 445 SDs, 0 SdLazy, 603 SolverSat, 486 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1113 GetRequests, 830 SyntacticMatches, 7 SemanticMatches, 276 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 3024 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 87 NumberOfFragments, 43 HoareAnnotationTreeSize, 7 FomulaSimplifications, 1644 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 54 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 555 NumberOfCodeBlocks, 555 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1092 ConstructedInterpolants, 169 QuantifiedInterpolants, 553494 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1134 ConjunctsInSsa, 150 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 12800/22760 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-04-07_02-27-54-973.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-04-07_02-27-54-973.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-04-07_02-27-54-973.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-1-2018-04-07_02-27-54-973.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-2-2018-04-07_02-27-54-973.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-04-07_02-27-54-973.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-07_02-27-54-973.csv Received shutdown request...