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/memsetNonZero2_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 23:58:23,028 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 23:58:23,029 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 23:58:23,042 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-29 23:58:23,043 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-29 23:58:23,043 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-29 23:58:23,044 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-29 23:58:23,046 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-29 23:58:23,048 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-29 23:58:23,049 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-29 23:58:23,049 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-29 23:58:23,050 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-29 23:58:23,051 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-29 23:58:23,052 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-29 23:58:23,053 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-29 23:58:23,055 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-29 23:58:23,057 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-29 23:58:23,058 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-29 23:58:23,059 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-29 23:58:23,060 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-29 23:58:23,063 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-29 23:58:23,063 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-29 23:58:23,063 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-29 23:58:23,064 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-29 23:58:23,065 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-29 23:58:23,101 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-29 23:58:23,101 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-29 23:58:23,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-29 23:58:23,103 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-29 23:58:23,103 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-29 23:58:23,104 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-29 23:58:23,104 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 [2018-03-29 23:58:23,127 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 23:58:23,128 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 23:58:23,128 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 23:58:23,128 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 23:58:23,128 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 23:58:23,129 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 23:58:23,129 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 23:58:23,129 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 23:58:23,129 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 23:58:23,129 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 23:58:23,129 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 23:58:23,130 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 23:58:23,130 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 23:58:23,130 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 23:58:23,130 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 23:58:23,130 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 23:58:23,130 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 23:58:23,131 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 23:58:23,131 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 23:58:23,131 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 23:58:23,131 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 23:58:23,131 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 23:58:23,131 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 23:58:23,132 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 23:58:23,132 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 23:58:23,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 23:58:23,132 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 23:58:23,132 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 23:58:23,133 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 23:58:23,133 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 23:58:23,133 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 23:58:23,133 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 23:58:23,133 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 23:58:23,134 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 23:58:23,134 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 23:58:23,134 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 23:58:23,134 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 23:58:23,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 23:58:23,176 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 23:58:23,180 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 23:58:23,181 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 23:58:23,181 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 23:58:23,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero2_true-valid-memsafety_true-termination.c [2018-03-29 23:58:23,460 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGa2931715e [2018-03-29 23:58:23,566 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 23:58:23,566 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 23:58:23,566 INFO L168 CDTParser]: Scanning memsetNonZero2_true-valid-memsafety_true-termination.c [2018-03-29 23:58:23,567 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 23:58:23,568 INFO L215 ultiparseSymbolTable]: [2018-03-29 23:58:23,568 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 23:58:23,568 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in memsetNonZero2_true-valid-memsafety_true-termination.c [2018-03-29 23:58:23,568 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 23:58:23,568 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero__true_valid_memsafety_true_termination_c__size_t in memsetNonZero2_true-valid-memsafety_true-termination.c [2018-03-29 23:58:23,568 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero__true_valid_memsafety_true_termination_c____kernel_size_t in memsetNonZero2_true-valid-memsafety_true-termination.c [2018-03-29 23:58:23,568 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero__true_valid_memsafety_true_termination_c____u32 in memsetNonZero2_true-valid-memsafety_true-termination.c [2018-03-29 23:58:23,582 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGa2931715e [2018-03-29 23:58:23,587 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 23:58:23,591 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-03-29 23:58:23,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 23:58:23,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 23:58:23,599 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 23:58:23,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 11:58:23" (1/1) ... [2018-03-29 23:58:23,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8229b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:58:23, skipping insertion in model container [2018-03-29 23:58:23,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 11:58:23" (1/1) ... [2018-03-29 23:58:23,617 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 23:58:23,627 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 23:58:23,759 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 23:58:23,782 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 23:58:23,787 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-03-29 23:58:23,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:58:23 WrapperNode [2018-03-29 23:58:23,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 23:58:23,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 23:58:23,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 23:58:23,795 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 23:58:23,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:58:23" (1/1) ... [2018-03-29 23:58:23,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:58:23" (1/1) ... [2018-03-29 23:58:23,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:58:23" (1/1) ... [2018-03-29 23:58:23,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:58:23" (1/1) ... [2018-03-29 23:58:23,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:58:23" (1/1) ... [2018-03-29 23:58:23,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:58:23" (1/1) ... [2018-03-29 23:58:23,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:58:23" (1/1) ... [2018-03-29 23:58:23,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 23:58:23,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 23:58:23,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 23:58:23,818 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 23:58:23,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:58:23" (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 [2018-03-29 23:58:23,877 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 23:58:23,877 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 23:58:23,877 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 23:58:23,877 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-03-29 23:58:23,878 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-03-29 23:58:23,878 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 23:58:23,878 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 23:58:23,878 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-03-29 23:58:23,878 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 23:58:23,878 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 23:58:23,879 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 23:58:24,028 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-03-29 23:58:24,078 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 23:58:24,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 11:58:24 BoogieIcfgContainer [2018-03-29 23:58:24,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 23:58:24,079 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-03-29 23:58:24,079 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-03-29 23:58:24,080 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-03-29 23:58:24,082 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 11:58:24" (1/1) ... [2018-03-29 23:58:24,088 INFO L139 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-03-29 23:58:24,089 INFO L140 apSepIcfgTransformer]: To be partitioned heap arrays found [] [2018-03-29 23:58:24,100 INFO L298 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-03-29 23:58:24,106 INFO L333 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 0 location literals (each corresponds to one heap write) [2018-03-29 23:58:24,111 INFO L393 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-03-29 23:58:24,111 DEBUG L397 apSepIcfgTransformer]: storeIndexInfoToLocLiteral: Map: [2018-03-29 23:58:24,112 DEBUG L399 apSepIcfgTransformer]: edgeToIndexToStoreIndexInfo: NestedMap2: [2018-03-29 23:58:24,169 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-03-29 23:58:24,588 INFO L314 AbstractInterpreter]: Visited 26 different actions 31 times. Merged at 4 different actions 4 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 15 variables. [2018-03-29 23:58:24,590 INFO L405 apSepIcfgTransformer]: finished equality analysis [2018-03-29 23:58:24,597 INFO L415 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-03-29 23:58:24,597 INFO L416 apSepIcfgTransformer]: array groups: Set: [2018-03-29 23:58:24,597 INFO L418 apSepIcfgTransformer]: select infos: Set: [2018-03-29 23:58:24,599 INFO L336 HeapPartitionManager]: partitioning result: [2018-03-29 23:58:24,600 INFO L124 ransitionTransformer]: executing heap partitioning transformation [2018-03-29 23:58:24,602 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,603 DEBUG L259 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-29 23:58:24,603 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,603 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,603 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,603 DEBUG L259 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-29 23:58:24,603 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,603 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,604 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,604 DEBUG L259 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] [2018-03-29 23:58:24,604 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,604 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,604 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,604 DEBUG L259 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-29 23:58:24,604 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,604 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,605 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,605 DEBUG L259 ransitionTransformer]: Formula: (and (not (= |v_main_~#cstats~0.base_1| 0)) (= |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|)) (= (store |v_#length_5| |v_main_~#cstats~0.base_1| 40) |v_#length_4|) (= |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] [2018-03-29 23:58:24,605 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,605 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,605 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,606 DEBUG L259 ransitionTransformer]: Formula: (= |v_#valid_1| (store |v_#valid_2| 0 0)) InVars {#valid=|v_#valid_2|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid] [2018-03-29 23:58:24,606 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,606 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,606 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,606 DEBUG L259 ransitionTransformer]: Formula: (not (= 1 (select |v_#valid_11| |v_main_~#cstats~0.base_3|))) InVars {main_~#cstats~0.base=|v_main_~#cstats~0.base_3|, #valid=|v_#valid_11|} OutVars{main_~#cstats~0.base=|v_main_~#cstats~0.base_3|, #valid=|v_#valid_11|} AuxVars[] AssignedVars[] [2018-03-29 23:58:24,606 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,606 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,607 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,607 DEBUG L259 ransitionTransformer]: Formula: (or (not (<= 0 |v_main_~#cstats~0.offset_3|)) (not (<= (+ |v_main_~#cstats~0.offset_3| 40) (select |v_#length_7| |v_main_~#cstats~0.base_4|)))) InVars {main_~#cstats~0.base=|v_main_~#cstats~0.base_4|, #length=|v_#length_7|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_3|} OutVars{main_~#cstats~0.base=|v_main_~#cstats~0.base_4|, #length=|v_#length_7|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_3|} AuxVars[] AssignedVars[] [2018-03-29 23:58:24,607 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,607 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,608 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,608 DEBUG L259 ransitionTransformer]: Formula: (and (= |v_#Ultimate.C_memset_#valueInParam_1| 10) (= |v_#Ultimate.C_memset_#ptr.offsetInParam_1| |v_main_~#cstats~0.offset_6|) (= |v_#Ultimate.C_memset_#ptr.baseInParam_1| |v_main_~#cstats~0.base_7|) (= |v_#Ultimate.C_memset_#amountInParam_1| 40)) InVars {main_~#cstats~0.base=|v_main_~#cstats~0.base_7|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_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] [2018-03-29 23:58:24,608 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,608 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,608 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,609 DEBUG L259 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-29 23:58:24,609 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,609 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,609 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,610 DEBUG L259 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] [2018-03-29 23:58:24,610 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,610 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,610 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,611 DEBUG L259 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[] [2018-03-29 23:58:24,611 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,611 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,611 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,611 DEBUG L259 ransitionTransformer]: Formula: (= |v_main_#res_1| 0) InVars {} OutVars{main_#res=|v_main_#res_1|} AuxVars[] AssignedVars[main_#res] [2018-03-29 23:58:24,612 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,612 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,612 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,612 DEBUG L259 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[] [2018-03-29 23:58:24,612 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,613 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,613 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,613 DEBUG L259 ransitionTransformer]: Formula: (= |v_#valid_12| (store |v_#valid_13| |v_main_~#cstats~0.base_5| 0)) InVars {main_~#cstats~0.base=|v_main_~#cstats~0.base_5|, #valid=|v_#valid_13|} OutVars{main_~#cstats~0.base=|v_main_~#cstats~0.base_5|, #valid=|v_#valid_12|} AuxVars[] AssignedVars[#valid] [2018-03-29 23:58:24,613 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,613 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,614 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,614 DEBUG L259 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] [2018-03-29 23:58:24,614 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,614 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,615 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,615 DEBUG L259 ransitionTransformer]: Formula: true InVars {} OutVars{main_~#cstats~0.base=|v_main_~#cstats~0.base_6|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_5|} AuxVars[] AssignedVars[main_~#cstats~0.base, main_~#cstats~0.offset] [2018-03-29 23:58:24,615 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,615 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,615 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,616 DEBUG L259 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[] [2018-03-29 23:58:24,616 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,616 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,617 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,617 DEBUG L259 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[] [2018-03-29 23:58:24,617 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,617 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,617 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,618 DEBUG L259 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[] [2018-03-29 23:58:24,618 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,618 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,618 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,618 DEBUG L259 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[] [2018-03-29 23:58:24,619 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,619 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,619 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,619 DEBUG L259 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] [2018-03-29 23:58:24,620 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,620 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,620 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,620 DEBUG L259 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[] [2018-03-29 23:58:24,621 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,621 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,621 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,621 DEBUG L259 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-29 23:58:24,621 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,622 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,622 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,622 DEBUG L259 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] [2018-03-29 23:58:24,622 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,622 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,623 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:58:24,623 DEBUG L259 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] [2018-03-29 23:58:24,623 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:58:24,623 DEBUG L288 ransitionTransformer]: [2018-03-29 23:58:24,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 29.03 11:58:24 BasicIcfg [2018-03-29 23:58:24,624 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-03-29 23:58:24,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 23:58:24,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 23:58:24,628 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 23:58:24,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 11:58:23" (1/4) ... [2018-03-29 23:58:24,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274348a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 11:58:24, skipping insertion in model container [2018-03-29 23:58:24,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:58:23" (2/4) ... [2018-03-29 23:58:24,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274348a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 11:58:24, skipping insertion in model container [2018-03-29 23:58:24,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 11:58:24" (3/4) ... [2018-03-29 23:58:24,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274348a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 11:58:24, skipping insertion in model container [2018-03-29 23:58:24,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 29.03 11:58:24" (4/4) ... [2018-03-29 23:58:24,632 INFO L107 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-03-29 23:58:24,642 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 23:58:24,648 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-03-29 23:58:24,678 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 23:58:24,678 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 23:58:24,678 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 23:58:24,678 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 23:58:24,679 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 23:58:24,679 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 23:58:24,679 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 23:58:24,679 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 23:58:24,679 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 23:58:24,680 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 23:58:24,690 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-03-29 23:58:24,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-03-29 23:58:24,695 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 23:58:24,696 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 23:58:24,696 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 23:58:24,699 INFO L82 PathProgramCache]: Analyzing trace with hash 995411699, 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 [2018-03-29 23:58:24,712 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 23:58:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 23:58:24,745 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 23:58:24,779 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 [2018-03-29 23:58:24,780 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 23:58:24,785 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 23:58:24,785 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 23:58:24,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 23:58:24,791 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 23:58:24,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 23:58:24,827 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 23:58:24,827 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-03-29 23:58:24,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-29 23:58:24,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-29 23:58:24,841 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 23:58:24,843 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2018-03-29 23:58:24,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 23:58:24,887 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-03-29 23:58:24,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-29 23:58:24,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-03-29 23:58:24,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 23:58:24,897 INFO L225 Difference]: With dead ends: 26 [2018-03-29 23:58:24,897 INFO L226 Difference]: Without dead ends: 22 [2018-03-29 23:58:24,899 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 23:58:24,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-03-29 23:58:24,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-03-29 23:58:24,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-03-29 23:58:24,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-03-29 23:58:24,928 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 8 [2018-03-29 23:58:24,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 23:58:24,928 INFO L459 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-03-29 23:58:24,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-29 23:58:24,928 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-03-29 23:58:24,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-03-29 23:58:24,929 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 23:58:24,929 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 23:58:24,929 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 23:58:24,930 INFO L82 PathProgramCache]: Analyzing trace with hash 995411700, 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 [2018-03-29 23:58:24,936 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 23:58:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 23:58:24,947 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 23:58:24,955 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 [2018-03-29 23:58:24,956 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 23:58:24,961 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 23:58:24,961 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 23:58:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 23:58:24,976 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 23:58:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 23:58:25,021 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 23:58:25,021 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2018-03-29 23:58:25,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 23:58:25,022 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 23:58:25,023 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-03-29 23:58:25,023 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 4 states. [2018-03-29 23:58:25,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 23:58:25,039 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-03-29 23:58:25,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-29 23:58:25,040 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-03-29 23:58:25,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 23:58:25,040 INFO L225 Difference]: With dead ends: 22 [2018-03-29 23:58:25,040 INFO L226 Difference]: Without dead ends: 21 [2018-03-29 23:58:25,041 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-03-29 23:58:25,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-03-29 23:58:25,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-03-29 23:58:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-03-29 23:58:25,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-03-29 23:58:25,045 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 8 [2018-03-29 23:58:25,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 23:58:25,046 INFO L459 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-03-29 23:58:25,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 23:58:25,046 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-03-29 23:58:25,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-03-29 23:58:25,047 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 23:58:25,047 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 23:58:25,047 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 23:58:25,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1661347737, 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 [2018-03-29 23:58:25,056 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 23:58:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 23:58:25,071 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 23:58:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 23:58:25,127 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 23:58:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 23:58:25,209 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 23:58:25,209 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-03-29 23:58:25,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 23:58:25,210 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 23:58:25,210 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-03-29 23:58:25,210 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 6 states. [2018-03-29 23:58:25,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 23:58:25,250 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2018-03-29 23:58:25,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 23:58:25,250 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-03-29 23:58:25,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 23:58:25,251 INFO L225 Difference]: With dead ends: 34 [2018-03-29 23:58:25,251 INFO L226 Difference]: Without dead ends: 24 [2018-03-29 23:58:25,251 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-03-29 23:58:25,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-03-29 23:58:25,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-03-29 23:58:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-03-29 23:58:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-03-29 23:58:25,255 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 19 [2018-03-29 23:58:25,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 23:58:25,255 INFO L459 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-03-29 23:58:25,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 23:58:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-03-29 23:58:25,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-03-29 23:58:25,256 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 23:58:25,256 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] [2018-03-29 23:58:25,256 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 23:58:25,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1485970769, 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 [2018-03-29 23:58:25,269 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 23:58:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 23:58:25,291 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 23:58:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 23:58:25,325 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 23:58:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 23:58:25,481 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 23:58:25,481 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-03-29 23:58:25,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-29 23:58:25,481 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-29 23:58:25,481 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-03-29 23:58:25,482 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 10 states. [2018-03-29 23:58:25,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 23:58:25,524 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2018-03-29 23:58:25,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-03-29 23:58:25,525 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-03-29 23:58:25,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 23:58:25,526 INFO L225 Difference]: With dead ends: 42 [2018-03-29 23:58:25,526 INFO L226 Difference]: Without dead ends: 32 [2018-03-29 23:58:25,526 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2018-03-29 23:58:25,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-03-29 23:58:25,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-03-29 23:58:25,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-03-29 23:58:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-03-29 23:58:25,532 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 23 [2018-03-29 23:58:25,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 23:58:25,532 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-03-29 23:58:25,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-29 23:58:25,532 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-03-29 23:58:25,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-29 23:58:25,533 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 23:58:25,534 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] [2018-03-29 23:58:25,534 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 23:58:25,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1630745793, 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 [2018-03-29 23:58:25,542 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 23:58:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 23:58:25,559 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 23:58:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 23:58:25,791 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 23:58:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 23:58:26,020 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 23:58:26,020 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-03-29 23:58:26,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-03-29 23:58:26,021 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-03-29 23:58:26,021 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=167, Unknown=0, NotChecked=0, Total=306 [2018-03-29 23:58:26,021 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 18 states. [2018-03-29 23:58:26,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 23:58:26,092 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2018-03-29 23:58:26,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-03-29 23:58:26,092 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 31 [2018-03-29 23:58:26,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 23:58:26,093 INFO L225 Difference]: With dead ends: 58 [2018-03-29 23:58:26,093 INFO L226 Difference]: Without dead ends: 48 [2018-03-29 23:58:26,094 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=191, Unknown=0, NotChecked=0, Total=342 [2018-03-29 23:58:26,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-03-29 23:58:26,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-03-29 23:58:26,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-03-29 23:58:26,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-03-29 23:58:26,099 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 31 [2018-03-29 23:58:26,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 23:58:26,100 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-03-29 23:58:26,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-03-29 23:58:26,100 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-03-29 23:58:26,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-03-29 23:58:26,101 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 23:58:26,101 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] [2018-03-29 23:58:26,101 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 23:58:26,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1889670049, 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 [2018-03-29 23:58:26,109 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 23:58:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 23:58:26,127 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 23:58:26,290 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 23:58:26,290 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 23:58:26,690 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 23:58:26,724 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 23:58:26,724 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2018-03-29 23:58:26,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-03-29 23:58:26,725 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-03-29 23:58:26,725 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=531, Invalid=591, Unknown=0, NotChecked=0, Total=1122 [2018-03-29 23:58:26,726 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 34 states. [2018-03-29 23:58:26,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 23:58:26,850 INFO L93 Difference]: Finished difference Result 90 states and 105 transitions. [2018-03-29 23:58:26,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-03-29 23:58:26,850 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 47 [2018-03-29 23:58:26,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 23:58:26,851 INFO L225 Difference]: With dead ends: 90 [2018-03-29 23:58:26,852 INFO L226 Difference]: Without dead ends: 80 [2018-03-29 23:58:26,852 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=551, Invalid=639, Unknown=0, NotChecked=0, Total=1190 [2018-03-29 23:58:26,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-03-29 23:58:26,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-03-29 23:58:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-03-29 23:58:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-03-29 23:58:26,859 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 47 [2018-03-29 23:58:26,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 23:58:26,860 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-03-29 23:58:26,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-03-29 23:58:26,860 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-03-29 23:58:26,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-03-29 23:58:26,861 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 23:58:26,862 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] [2018-03-29 23:58:26,862 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 23:58:26,862 INFO L82 PathProgramCache]: Analyzing trace with hash 797798047, 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 [2018-03-29 23:58:26,868 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 23:58:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 23:58:26,891 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 23:58:27,277 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 23:58:27,277 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 23:58:28,312 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 23:58:28,334 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 23:58:28,334 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66 [2018-03-29 23:58:28,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-03-29 23:58:28,335 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-03-29 23:58:28,337 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1852, Invalid=2438, Unknown=0, NotChecked=0, Total=4290 [2018-03-29 23:58:28,337 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 66 states. [2018-03-29 23:58:28,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 23:58:28,547 INFO L93 Difference]: Finished difference Result 110 states and 119 transitions. [2018-03-29 23:58:28,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-03-29 23:58:28,547 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 79 [2018-03-29 23:58:28,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 23:58:28,549 INFO L225 Difference]: With dead ends: 110 [2018-03-29 23:58:28,549 INFO L226 Difference]: Without dead ends: 100 [2018-03-29 23:58:28,550 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1888, Invalid=2534, Unknown=0, NotChecked=0, Total=4422 [2018-03-29 23:58:28,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-03-29 23:58:28,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-03-29 23:58:28,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-03-29 23:58:28,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-03-29 23:58:28,560 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 79 [2018-03-29 23:58:28,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 23:58:28,561 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2018-03-29 23:58:28,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-03-29 23:58:28,561 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-03-29 23:58:28,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-03-29 23:58:28,563 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 23:58:28,563 INFO L355 BasicCegarLoop]: trace histogram [40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 23:58:28,563 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 23:58:28,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1348178425, 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 [2018-03-29 23:58:28,570 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 23:58:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 23:58:28,603 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 23:58:28,644 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 23:58:28,646 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 [2018-03-29 23:58:28,646 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 23:58:28,648 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. [2018-03-29 23:58:28,648 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-03-29 23:58:28,732 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 [2018-03-29 23:58:28,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2018-03-29 23:58:28,762 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 23:58:28,819 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#cstats~0.base_18| Int)) (or (not (= 0 (select |c_#valid| |v_main_~#cstats~0.base_18|))) (= (store |c_#valid| |v_main_~#cstats~0.base_18| 0) |c_old(#valid)|))) is different from false [2018-03-29 23:58:28,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2018-03-29 23:58:28,851 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 23:58:28,851 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-03-29 23:58:28,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 23:58:28,852 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 23:58:28,852 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-03-29 23:58:28,852 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 8 states. [2018-03-29 23:58:28,861 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_~#cstats~0.base_18| Int)) (or (not (= 0 (select |c_#valid| |v_main_~#cstats~0.base_18|))) (= (store |c_#valid| |v_main_~#cstats~0.base_18| 0) |c_old(#valid)|)))) is different from false [2018-03-29 23:58:28,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 23:58:28,914 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-03-29 23:58:28,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-29 23:58:28,914 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-03-29 23:58:28,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 23:58:28,915 INFO L225 Difference]: With dead ends: 100 [2018-03-29 23:58:28,915 INFO L226 Difference]: Without dead ends: 0 [2018-03-29 23:58:28,916 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-03-29 23:58:28,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-03-29 23:58:28,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-03-29 23:58:28,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-03-29 23:58:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-03-29 23:58:28,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2018-03-29 23:58:28,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 23:58:28,917 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-03-29 23:58:28,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 23:58:28,917 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-03-29 23:58:28,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-03-29 23:58:28,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-03-29 23:58:29,075 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-03-29 23:58:29,075 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-03-29 23:58:29,075 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-03-29 23:58:29,076 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-03-29 23:58:29,076 INFO L419 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-03-29 23:58:29,076 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-03-29 23:58:29,076 INFO L419 ceAbstractionStarter]: At program point L-1''(line -1) the Hoare annotation is: true [2018-03-29 23:58:29,076 INFO L416 ceAbstractionStarter]: For program point L-1'(line -1) no Hoare annotation was computed. [2018-03-29 23:58:29,076 INFO L416 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-03-29 23:58:29,076 INFO L416 ceAbstractionStarter]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2018-03-29 23:58:29,076 INFO L416 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-03-29 23:58:29,076 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-03-29 23:58:29,077 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-03-29 23:58:29,077 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-03-29 23:58:29,077 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-03-29 23:58:29,077 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 20 24) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-03-29 23:58:29,077 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 22) no Hoare annotation was computed. [2018-03-29 23:58:29,077 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 20 24) no Hoare annotation was computed. [2018-03-29 23:58:29,077 INFO L412 ceAbstractionStarter]: At program point L21(line 21) the Hoare annotation is: (and (= |#valid| (store |old(#valid)| |main_~#cstats~0.base| 1)) (= 0 (select |old(#valid)| |main_~#cstats~0.base|)) (= 40 (select |#length| |main_~#cstats~0.base|)) (= 0 |main_~#cstats~0.offset|)) [2018-03-29 23:58:29,077 INFO L416 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-03-29 23:58:29,078 INFO L416 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-03-29 23:58:29,078 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 22) no Hoare annotation was computed. [2018-03-29 23:58:29,078 INFO L416 ceAbstractionStarter]: For program point L21''(line 21) no Hoare annotation was computed. [2018-03-29 23:58:29,078 INFO L416 ceAbstractionStarter]: For program point L21'(line 21) no Hoare annotation was computed. [2018-03-29 23:58:29,078 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 20 24) no Hoare annotation was computed. [2018-03-29 23:58:29,078 INFO L416 ceAbstractionStarter]: For program point mainErr2EnsuresViolationMEMORY_LEAK(lines 20 24) no Hoare annotation was computed. [2018-03-29 23:58:29,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 11:58:29 BasicIcfg [2018-03-29 23:58:29,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-29 23:58:29,084 INFO L168 Benchmark]: Toolchain (without parser) took 5496.96 ms. Allocated memory was 304.6 MB in the beginning and 551.0 MB in the end (delta: 246.4 MB). Free memory was 246.6 MB in the beginning and 433.3 MB in the end (delta: -186.8 MB). Peak memory consumption was 59.7 MB. Max. memory is 5.3 GB. [2018-03-29 23:58:29,085 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 304.6 MB. Free memory is still 266.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 23:58:29,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.52 ms. Allocated memory is still 304.6 MB. Free memory was 246.6 MB in the beginning and 237.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. [2018-03-29 23:58:29,086 INFO L168 Benchmark]: Boogie Preprocessor took 23.06 ms. Allocated memory is still 304.6 MB. Free memory was 236.5 MB in the beginning and 235.5 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. [2018-03-29 23:58:29,086 INFO L168 Benchmark]: RCFGBuilder took 260.33 ms. Allocated memory was 304.6 MB in the beginning and 467.7 MB in the end (delta: 163.1 MB). Free memory was 235.5 MB in the beginning and 438.1 MB in the end (delta: -202.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 5.3 GB. [2018-03-29 23:58:29,087 INFO L168 Benchmark]: IcfgTransformer took 545.51 ms. Allocated memory is still 467.7 MB. Free memory was 438.1 MB in the beginning and 380.7 MB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 5.3 GB. [2018-03-29 23:58:29,087 INFO L168 Benchmark]: TraceAbstraction took 4458.40 ms. Allocated memory was 467.7 MB in the beginning and 551.0 MB in the end (delta: 83.4 MB). Free memory was 379.4 MB in the beginning and 433.3 MB in the end (delta: -53.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 5.3 GB. [2018-03-29 23:58:29,090 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 304.6 MB. Free memory is still 266.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 202.52 ms. Allocated memory is still 304.6 MB. Free memory was 246.6 MB in the beginning and 237.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 23.06 ms. Allocated memory is still 304.6 MB. Free memory was 236.5 MB in the beginning and 235.5 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. * RCFGBuilder took 260.33 ms. Allocated memory was 304.6 MB in the beginning and 467.7 MB in the end (delta: 163.1 MB). Free memory was 235.5 MB in the beginning and 438.1 MB in the end (delta: -202.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 5.3 GB. * IcfgTransformer took 545.51 ms. Allocated memory is still 467.7 MB. Free memory was 438.1 MB in the beginning and 380.7 MB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4458.40 ms. Allocated memory was 467.7 MB in the beginning and 551.0 MB in the end (delta: 83.4 MB). Free memory was 379.4 MB in the beginning and 433.3 MB in the end (delta: -53.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 24 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 145 LocStat_NO_SUPPORTING_DISEQUALITIES : 36 LocStat_NO_DISJUNCTIONS : -48 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 32 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 35 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 33 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 79.90 RENAME_VARIABLES(MILLISECONDS) : 38.95 UNFREEZE(MILLISECONDS) : 0.00 CONJOIN(MILLISECONDS) : 81.30 PROJECTAWAY(MILLISECONDS) : 157.37 ADD_WEAK_EQUALITY(MILLISECONDS) : 6.37 DISJOIN(MILLISECONDS) : 4.77 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 42.03 ADD_EQUALITY(MILLISECONDS) : 7.50 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.00 ADD_DISEQUALITY(MILLISECONDS) : 0.17 #CONJOIN_DISJUNCTIVE : 41 #RENAME_VARIABLES : 81 #UNFREEZE : 0 #CONJOIN : 71 #PROJECTAWAY : 82 #ADD_WEAK_EQUALITY : 4 #DISJOIN : 1 #RENAME_VARIABLES_DISJUNCTIVE : 80 #ADD_EQUALITY : 35 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 3 - StatisticsResult: WeqCcManagerStatistics FREEZE(MILLISECONDS) : 105.31 ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 79.58 FILTERREDUNDANT(MILLISECONDS) : 0.00 REPORTWEQ(MILLISECONDS) : 6.27 JOIN(MILLISECONDS) : 4.32 RENAMEVARS(MILLISECONDS) : 37.88 FLATTENLABELS(MILLISECONDS) : 0.00 COPY(MILLISECONDS) : 0.00 ISSTRONGERTHAN(MILLISECONDS) : 21.66 ISLABELSTRONGERTHAN(MILLISECONDS) : 20.46 ISWEQGRAPHSTRONGERTHAN(MILLISECONDS) : 0.02 UNFREEZE(MILLISECONDS) : 6.28 REPORTCONTAINS(MILLISECONDS) : 0.00 PROJECTAWAY(MILLISECONDS) : 144.92 MEETEDGELABELS(MILLISECONDS) : 10.09 REPORTEQUALITY(MILLISECONDS) : 19.20 ADDALLNODES(MILLISECONDS) : 21.73 REPORTDISEQUALITY(MILLISECONDS) : 0.33 WEQGRAPHJOIN(MILLISECONDS) : 1.18 #FREEZE : 300 #ADDNODE : 0 #MEET : 50 #FILTERREDUNDANT : 0 #REPORTWEQ : 4 #JOIN : 1 #RENAMEVARS : 81 #FLATTENLABELS : 0 #COPY : 0 #ISSTRONGERTHAN : 19 #ISLABELSTRONGERTHAN : 380 #ISWEQGRAPHSTRONGERTHAN : 8 #UNFREEZE : 238 #REPORTCONTAINS : 0 #PROJECTAWAY : 107 #MEETEDGELABELS : 83 #REPORTEQUALITY : 244 #ADDALLNODES : 50 #REPORTDISEQUALITY : 48 #WEQGRAPHJOIN : 1 - StatisticsResult: CcManagerStatistics ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 59.51 IS_STRONGER_THAN(MILLISECONDS) : 24.17 REPORT_EQUALITY(MILLISECONDS) : 17.37 FILTERREDUNDANT(MILLISECONDS) : 28.77 ADD_ALL_ELEMENTS(MILLISECONDS) : 6.92 JOIN(MILLISECONDS) : 1.94 ALIGN_ELEMENTS(MILLISECONDS) : 9.52 COPY(MILLISECONDS) : 0.00 REPORT_DISEQUALITY(MILLISECONDS) : 7.18 UNFREEZE(MILLISECONDS) : 0.00 OVERALL(MILLISECONDS) : 104.89 REPORTCONTAINS(MILLISECONDS) : 0.00 REMOVE(MILLISECONDS) : 0.00 PROJECT_TO_ELEMENTS(MILLISECONDS) : 29.61 #ADDNODE : 0 #MEET : 253 #IS_STRONGER_THAN : 671 #REPORT_EQUALITY : 1233 #FILTERREDUNDANT : 1162 #ADD_ALL_ELEMENTS : 442 #JOIN : 1 #ALIGN_ELEMENTS : 94 #COPY : 0 #REPORT_DISEQUALITY : 538 #UNFREEZE : 0 #OVERALL : 4602 #REPORTCONTAINS : 0 #REMOVE : 0 #PROJECT_TO_ELEMENTS : 208 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 22]: 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, 26 locations, 3 error locations. SAFE Result, 4.4s OverallTime, 8 OverallIterations, 40 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 148 SDtfs, 222 SDslu, 316 SDs, 0 SdLazy, 340 SolverSat, 225 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 629 GetRequests, 481 SyntacticMatches, 6 SemanticMatches, 142 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 739 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=7, 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, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 47 NumberOfFragments, 30 HoareAnnotationTreeSize, 7 FomulaSimplifications, 799 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 54 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 314 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 612 ConstructedInterpolants, 89 QuantifiedInterpolants, 159292 SizeOfPredicates, 7 NumberOfNonLiveVariables, 720 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 16 InterpolantComputations, 8 PerfectInterpolantSequences, 3200/5472 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/memsetNonZero2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-03-29_23-58-29-106.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-03-29_23-58-29-106.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-03-29_23-58-29-106.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-1-2018-03-29_23-58-29-106.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-2-2018-03-29_23-58-29-106.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-03-29_23-58-29-106.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-29_23-58-29-106.csv Received shutdown request...