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/memsetNonZero_false-valid-deref-write.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 23:48:28,801 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 23:48:28,804 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 23:48:28,818 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-29 23:48:28,819 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-29 23:48:28,820 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-29 23:48:28,821 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-29 23:48:28,823 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-29 23:48:28,825 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-29 23:48:28,826 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-29 23:48:28,826 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-29 23:48:28,827 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-29 23:48:28,828 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-29 23:48:28,829 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-29 23:48:28,830 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-29 23:48:28,832 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-29 23:48:28,834 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-29 23:48:28,836 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-29 23:48:28,837 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-29 23:48:28,838 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-29 23:48:28,841 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-29 23:48:28,841 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-29 23:48:28,841 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-29 23:48:28,842 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-29 23:48:28,843 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-29 23:48:28,845 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-29 23:48:28,845 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-29 23:48:28,846 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-29 23:48:28,846 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-29 23:48:28,847 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-29 23:48:28,847 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-29 23:48:28,848 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 23:48:28,874 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 23:48:28,874 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 23:48:28,874 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 23:48:28,875 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 23:48:28,875 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 23:48:28,876 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 23:48:28,876 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 23:48:28,876 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 23:48:28,876 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 23:48:28,877 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 23:48:28,877 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 23:48:28,877 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 23:48:28,877 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 23:48:28,878 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 23:48:28,878 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 23:48:28,878 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 23:48:28,878 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 23:48:28,878 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 23:48:28,879 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 23:48:28,879 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 23:48:28,879 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 23:48:28,879 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 23:48:28,879 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 23:48:28,880 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 23:48:28,880 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 23:48:28,880 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 23:48:28,880 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 23:48:28,880 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 23:48:28,881 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 23:48:28,881 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 23:48:28,881 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 23:48:28,881 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 23:48:28,881 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 23:48:28,882 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 23:48:28,883 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 23:48:28,883 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 23:48:28,883 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 23:48:28,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 23:48:28,930 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 23:48:28,934 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 23:48:28,936 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 23:48:28,936 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 23:48:28,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero_false-valid-deref-write.c [2018-03-29 23:48:29,280 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG564d2f5a8 [2018-03-29 23:48:29,381 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 23:48:29,381 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 23:48:29,381 INFO L168 CDTParser]: Scanning memsetNonZero_false-valid-deref-write.c [2018-03-29 23:48:29,383 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 23:48:29,383 INFO L215 ultiparseSymbolTable]: [2018-03-29 23:48:29,383 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 23:48:29,383 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in memsetNonZero_false-valid-deref-write.c [2018-03-29 23:48:29,384 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 23:48:29,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero_false_valid_deref_write_c____kernel_size_t in memsetNonZero_false-valid-deref-write.c [2018-03-29 23:48:29,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero_false_valid_deref_write_c__size_t in memsetNonZero_false-valid-deref-write.c [2018-03-29 23:48:29,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero_false_valid_deref_write_c____u32 in memsetNonZero_false-valid-deref-write.c [2018-03-29 23:48:29,399 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG564d2f5a8 [2018-03-29 23:48:29,403 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 23:48:29,407 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-03-29 23:48:29,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 23:48:29,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 23:48:29,413 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 23:48:29,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 11:48:29" (1/1) ... [2018-03-29 23:48:29,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3215ece5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:48:29, skipping insertion in model container [2018-03-29 23:48:29,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 11:48:29" (1/1) ... [2018-03-29 23:48:29,430 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 23:48:29,442 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 23:48:29,556 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 23:48:29,578 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 23:48:29,582 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-03-29 23:48:29,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:48:29 WrapperNode [2018-03-29 23:48:29,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 23:48:29,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 23:48:29,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 23:48:29,589 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 23:48:29,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:48:29" (1/1) ... [2018-03-29 23:48:29,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:48:29" (1/1) ... [2018-03-29 23:48:29,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:48:29" (1/1) ... [2018-03-29 23:48:29,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:48:29" (1/1) ... [2018-03-29 23:48:29,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:48:29" (1/1) ... [2018-03-29 23:48:29,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:48:29" (1/1) ... [2018-03-29 23:48:29,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:48:29" (1/1) ... [2018-03-29 23:48:29,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 23:48:29,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 23:48:29,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 23:48:29,614 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 23:48:29,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:48:29" (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 23:48:29,669 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 23:48:29,669 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 23:48:29,669 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 23:48:29,669 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-03-29 23:48:29,670 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-03-29 23:48:29,670 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 23:48:29,670 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 23:48:29,670 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-03-29 23:48:29,670 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 23:48:29,670 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 23:48:29,670 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 23:48:29,806 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-03-29 23:48:29,862 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 23:48:29,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 11:48:29 BoogieIcfgContainer [2018-03-29 23:48:29,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 23:48:29,863 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-03-29 23:48:29,863 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-03-29 23:48:29,864 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-03-29 23:48:29,866 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 11:48:29" (1/1) ... [2018-03-29 23:48:29,872 INFO L139 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-03-29 23:48:29,872 INFO L140 apSepIcfgTransformer]: To be partitioned heap arrays found [] [2018-03-29 23:48:29,882 INFO L298 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-03-29 23:48:29,889 INFO L333 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 0 location literals (each corresponds to one heap write) [2018-03-29 23:48:29,893 INFO L393 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-03-29 23:48:29,893 DEBUG L397 apSepIcfgTransformer]: storeIndexInfoToLocLiteral: Map: [2018-03-29 23:48:29,894 DEBUG L399 apSepIcfgTransformer]: edgeToIndexToStoreIndexInfo: NestedMap2: [2018-03-29 23:48:29,949 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-03-29 23:48:30,359 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 23:48:30,361 INFO L405 apSepIcfgTransformer]: finished equality analysis [2018-03-29 23:48:30,368 INFO L415 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-03-29 23:48:30,368 INFO L416 apSepIcfgTransformer]: array groups: Set: [2018-03-29 23:48:30,368 INFO L418 apSepIcfgTransformer]: select infos: Set: [2018-03-29 23:48:30,369 INFO L336 HeapPartitionManager]: partitioning result: [2018-03-29 23:48:30,370 INFO L124 ransitionTransformer]: executing heap partitioning transformation [2018-03-29 23:48:30,372 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,372 DEBUG L259 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-29 23:48:30,372 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,372 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,373 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,373 DEBUG L259 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-29 23:48:30,373 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,373 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,373 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,373 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 23:48:30,373 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,374 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,374 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,374 DEBUG L259 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-29 23:48:30,374 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,374 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,374 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,374 DEBUG L259 ransitionTransformer]: Formula: (and (not (= |v_main_~#cstats~0.base_1| 0)) (= (store |v_#length_5| |v_main_~#cstats~0.base_1| 80) |v_#length_4|) (= |v_#valid_8| (store |v_#valid_9| |v_main_~#cstats~0.base_1| 1)) (= 0 (select |v_#valid_9| |v_main_~#cstats~0.base_1|)) (= |v_main_~#cstats~0.offset_1| 0)) InVars {#length=|v_#length_5|, #valid=|v_#valid_9|} OutVars{main_~#cstats~0.base=|v_main_~#cstats~0.base_1|, #length=|v_#length_4|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_1|, #valid=|v_#valid_8|} AuxVars[] AssignedVars[#valid, main_~#cstats~0.base, #length, main_~#cstats~0.offset] [2018-03-29 23:48:30,375 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,375 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,375 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,375 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 23:48:30,375 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,375 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,375 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,376 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 23:48:30,376 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,376 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,376 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,376 DEBUG L259 ransitionTransformer]: Formula: (or (not (<= 0 |v_main_~#cstats~0.offset_3|)) (not (<= (+ |v_main_~#cstats~0.offset_3| 81) (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 23:48:30,376 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,377 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,377 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,377 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| 81)) 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 23:48:30,377 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,378 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,378 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,378 DEBUG L259 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-29 23:48:30,378 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,378 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,379 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,379 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 23:48:30,379 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,379 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,379 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,380 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 23:48:30,380 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,380 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,380 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,381 DEBUG L259 ransitionTransformer]: Formula: (= |v_main_#res_1| 0) InVars {} OutVars{main_#res=|v_main_#res_1|} AuxVars[] AssignedVars[main_#res] [2018-03-29 23:48:30,381 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,381 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,381 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,381 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 23:48:30,382 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,382 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,382 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,382 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 23:48:30,382 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,383 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,383 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,383 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 23:48:30,383 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,383 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,384 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,384 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 23:48:30,384 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,384 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,384 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,385 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 23:48:30,385 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,385 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,385 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,385 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 23:48:30,386 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,386 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,386 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,386 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 23:48:30,386 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,387 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,387 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,387 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 23:48:30,387 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,387 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,388 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,388 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 23:48:30,388 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,388 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,388 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,389 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 23:48:30,389 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,389 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,389 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,389 DEBUG L259 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-29 23:48:30,390 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,390 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,390 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,390 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 23:48:30,391 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,391 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,391 DEBUG L258 ransitionTransformer]: transformed transition [2018-03-29 23:48:30,391 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 23:48:30,391 DEBUG L262 ransitionTransformer]: transformula unchanged [2018-03-29 23:48:30,392 DEBUG L288 ransitionTransformer]: [2018-03-29 23:48:30,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 29.03 11:48:30 BasicIcfg [2018-03-29 23:48:30,393 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-03-29 23:48:30,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 23:48:30,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 23:48:30,397 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 23:48:30,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 11:48:29" (1/4) ... [2018-03-29 23:48:30,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e30c177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 11:48:30, skipping insertion in model container [2018-03-29 23:48:30,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 11:48:29" (2/4) ... [2018-03-29 23:48:30,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e30c177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 11:48:30, skipping insertion in model container [2018-03-29 23:48:30,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 11:48:29" (3/4) ... [2018-03-29 23:48:30,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e30c177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 11:48:30, skipping insertion in model container [2018-03-29 23:48:30,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 29.03 11:48:30" (4/4) ... [2018-03-29 23:48:30,401 INFO L107 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-03-29 23:48:30,410 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 23:48:30,417 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-03-29 23:48:30,452 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 23:48:30,452 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 23:48:30,452 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 23:48:30,452 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 23:48:30,453 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 23:48:30,453 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 23:48:30,453 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 23:48:30,453 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 23:48:30,453 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 23:48:30,453 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 23:48:30,462 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-03-29 23:48:30,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-03-29 23:48:30,466 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 23:48:30,467 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 23:48:30,467 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 23:48:30,470 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 23:48:30,483 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 23:48:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 23:48:30,515 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 23:48:30,546 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 23:48:30,547 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 23:48:30,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 23:48:30,557 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 23:48:30,566 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 23:48:30,566 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 23:48:30,573 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 23:48:30,595 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 23:48:30,596 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-03-29 23:48:30,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-29 23:48:30,604 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-29 23:48:30,605 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 23:48:30,607 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2018-03-29 23:48:30,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 23:48:30,642 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-03-29 23:48:30,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-29 23:48:30,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-03-29 23:48:30,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 23:48:30,652 INFO L225 Difference]: With dead ends: 26 [2018-03-29 23:48:30,652 INFO L226 Difference]: Without dead ends: 22 [2018-03-29 23:48:30,654 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 23:48:30,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-03-29 23:48:30,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-03-29 23:48:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-03-29 23:48:30,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-03-29 23:48:30,687 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 8 [2018-03-29 23:48:30,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 23:48:30,688 INFO L459 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-03-29 23:48:30,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-29 23:48:30,688 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-03-29 23:48:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-03-29 23:48:30,689 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 23:48:30,689 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 23:48:30,689 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-29 23:48:30,689 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 23:48:30,697 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 23:48:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-29 23:48:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-29 23:48:30,749 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-03-29 23:48:30,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 11:48:30 BasicIcfg [2018-03-29 23:48:30,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-29 23:48:30,763 INFO L168 Benchmark]: Toolchain (without parser) took 1359.41 ms. Allocated memory was 300.9 MB in the beginning and 456.7 MB in the end (delta: 155.7 MB). Free memory was 244.3 MB in the beginning and 336.5 MB in the end (delta: -92.2 MB). Peak memory consumption was 63.5 MB. Max. memory is 5.3 GB. [2018-03-29 23:48:30,764 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 300.9 MB. Free memory is still 263.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 23:48:30,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.86 ms. Allocated memory is still 300.9 MB. Free memory was 244.3 MB in the beginning and 234.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-03-29 23:48:30,764 INFO L168 Benchmark]: Boogie Preprocessor took 23.64 ms. Allocated memory is still 300.9 MB. Free memory was 234.2 MB in the beginning and 233.2 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-03-29 23:48:30,765 INFO L168 Benchmark]: RCFGBuilder took 249.18 ms. Allocated memory was 300.9 MB in the beginning and 456.7 MB in the end (delta: 155.7 MB). Free memory was 233.2 MB in the beginning and 426.8 MB in the end (delta: -193.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. [2018-03-29 23:48:30,765 INFO L168 Benchmark]: IcfgTransformer took 530.03 ms. Allocated memory is still 456.7 MB. Free memory was 426.8 MB in the beginning and 367.5 MB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 5.3 GB. [2018-03-29 23:48:30,765 INFO L168 Benchmark]: TraceAbstraction took 368.62 ms. Allocated memory is still 456.7 MB. Free memory was 367.5 MB in the beginning and 336.5 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 5.3 GB. [2018-03-29 23:48:30,767 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 300.9 MB. Free memory is still 263.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 180.86 ms. Allocated memory is still 300.9 MB. Free memory was 244.3 MB in the beginning and 234.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 23.64 ms. Allocated memory is still 300.9 MB. Free memory was 234.2 MB in the beginning and 233.2 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 249.18 ms. Allocated memory was 300.9 MB in the beginning and 456.7 MB in the end (delta: 155.7 MB). Free memory was 233.2 MB in the beginning and 426.8 MB in the end (delta: -193.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. * IcfgTransformer took 530.03 ms. Allocated memory is still 456.7 MB. Free memory was 426.8 MB in the beginning and 367.5 MB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 368.62 ms. Allocated memory is still 456.7 MB. Free memory was 367.5 MB in the beginning and 336.5 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 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) : 75.19 RENAME_VARIABLES(MILLISECONDS) : 38.41 UNFREEZE(MILLISECONDS) : 0.00 CONJOIN(MILLISECONDS) : 76.58 PROJECTAWAY(MILLISECONDS) : 157.05 ADD_WEAK_EQUALITY(MILLISECONDS) : 5.95 DISJOIN(MILLISECONDS) : 3.97 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 41.48 ADD_EQUALITY(MILLISECONDS) : 7.03 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.00 ADD_DISEQUALITY(MILLISECONDS) : 0.15 #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) : 100.96 ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 74.90 FILTERREDUNDANT(MILLISECONDS) : 0.00 REPORTWEQ(MILLISECONDS) : 5.85 JOIN(MILLISECONDS) : 3.59 RENAMEVARS(MILLISECONDS) : 37.41 FLATTENLABELS(MILLISECONDS) : 0.00 COPY(MILLISECONDS) : 0.00 ISSTRONGERTHAN(MILLISECONDS) : 21.49 ISLABELSTRONGERTHAN(MILLISECONDS) : 20.50 ISWEQGRAPHSTRONGERTHAN(MILLISECONDS) : 0.03 UNFREEZE(MILLISECONDS) : 6.35 REPORTCONTAINS(MILLISECONDS) : 0.00 PROJECTAWAY(MILLISECONDS) : 145.25 MEETEDGELABELS(MILLISECONDS) : 9.68 REPORTEQUALITY(MILLISECONDS) : 18.09 ADDALLNODES(MILLISECONDS) : 20.06 REPORTDISEQUALITY(MILLISECONDS) : 0.31 WEQGRAPHJOIN(MILLISECONDS) : 1.00 #FREEZE : 300 #ADDNODE : 0 #MEET : 50 #FILTERREDUNDANT : 0 #REPORTWEQ : 4 #JOIN : 1 #RENAMEVARS : 81 #FLATTENLABELS : 0 #COPY : 0 #ISSTRONGERTHAN : 19 #ISLABELSTRONGERTHAN : 392 #ISWEQGRAPHSTRONGERTHAN : 8 #UNFREEZE : 238 #REPORTCONTAINS : 0 #PROJECTAWAY : 107 #MEETEDGELABELS : 83 #REPORTEQUALITY : 243 #ADDALLNODES : 50 #REPORTDISEQUALITY : 48 #WEQGRAPHJOIN : 1 - StatisticsResult: CcManagerStatistics ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 58.57 IS_STRONGER_THAN(MILLISECONDS) : 24.90 REPORT_EQUALITY(MILLISECONDS) : 17.24 FILTERREDUNDANT(MILLISECONDS) : 29.00 ADD_ALL_ELEMENTS(MILLISECONDS) : 6.98 JOIN(MILLISECONDS) : 1.53 ALIGN_ELEMENTS(MILLISECONDS) : 9.67 COPY(MILLISECONDS) : 0.00 REPORT_DISEQUALITY(MILLISECONDS) : 6.97 UNFREEZE(MILLISECONDS) : 0.00 OVERALL(MILLISECONDS) : 103.03 REPORTCONTAINS(MILLISECONDS) : 0.00 REMOVE(MILLISECONDS) : 0.00 PROJECT_TO_ELEMENTS(MILLISECONDS) : 28.01 #ADDNODE : 0 #MEET : 254 #IS_STRONGER_THAN : 699 #REPORT_EQUALITY : 1236 #FILTERREDUNDANT : 1187 #ADD_ALL_ELEMENTS : 447 #JOIN : 1 #ALIGN_ELEMENTS : 96 #COPY : 0 #REPORT_DISEQUALITY : 541 #UNFREEZE : 0 #OVERALL : 4670 #REPORTCONTAINS : 0 #REMOVE : 0 #PROJECT_TO_ELEMENTS : 209 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 27]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L26] FCALL struct ppp_comp_stats cstats ; VAL [cstats={6:0}] [L27] FCALL memset((void *)(& cstats), 10, 81UL) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 26 locations, 3 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 3 SDslu, 13 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-03-29_23-48-30-786.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-03-29_23-48-30-786.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-03-29_23-48-30-786.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-1-2018-03-29_23-48-30-786.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-2-2018-03-29_23-48-30-786.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-03-29_23-48-30-786.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-29_23-48-30-786.csv Received shutdown request...