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/memset2_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-35b68b2 [2018-04-07 02:27:07,343 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-07 02:27:07,345 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-07 02:27:07,358 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-07 02:27:07,358 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-07 02:27:07,359 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-07 02:27:07,360 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-07 02:27:07,362 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-07 02:27:07,364 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-07 02:27:07,365 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-07 02:27:07,366 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-07 02:27:07,367 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-07 02:27:07,368 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-07 02:27:07,369 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-07 02:27:07,370 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-07 02:27:07,372 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-07 02:27:07,374 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-07 02:27:07,376 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-07 02:27:07,377 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-07 02:27:07,379 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-07 02:27:07,381 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-07 02:27:07,381 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-07 02:27:07,382 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-07 02:27:07,383 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-07 02:27:07,384 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-07 02:27:07,385 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-07 02:27:07,385 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-07 02:27:07,386 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-07 02:27:07,387 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-07 02:27:07,387 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-07 02:27:07,388 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-07 02:27:07,388 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-07 02:27:07,413 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-07 02:27:07,413 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-07 02:27:07,414 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-07 02:27:07,414 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-07 02:27:07,414 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-07 02:27:07,414 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-07 02:27:07,414 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-07 02:27:07,415 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-07 02:27:07,415 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-07 02:27:07,415 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-07 02:27:07,415 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-07 02:27:07,415 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-07 02:27:07,415 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-07 02:27:07,416 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-07 02:27:07,416 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-07 02:27:07,416 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-07 02:27:07,416 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-07 02:27:07,416 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-07 02:27:07,416 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-07 02:27:07,416 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-07 02:27:07,417 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-07 02:27:07,417 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-07 02:27:07,417 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-07 02:27:07,417 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-07 02:27:07,417 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-07 02:27:07,418 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-07 02:27:07,418 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-07 02:27:07,418 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-07 02:27:07,418 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-07 02:27:07,418 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-07 02:27:07,418 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-07 02:27:07,418 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-07 02:27:07,419 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:07,419 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-07 02:27:07,420 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-07 02:27:07,420 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-07 02:27:07,420 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-07 02:27:07,420 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-07 02:27:07,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-07 02:27:07,463 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-07 02:27:07,466 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-07 02:27:07,467 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-07 02:27:07,468 INFO L276 PluginConnector]: CDTParser initialized [2018-04-07 02:27:07,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memset2_true-valid-memsafety_true-termination.c [2018-04-07 02:27:07,777 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG891c7d996 [2018-04-07 02:27:07,907 INFO L287 CDTParser]: IsIndexed: true [2018-04-07 02:27:07,907 INFO L288 CDTParser]: Found 1 translation units. [2018-04-07 02:27:07,907 INFO L168 CDTParser]: Scanning memset2_true-valid-memsafety_true-termination.c [2018-04-07 02:27:07,909 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-07 02:27:07,909 INFO L215 ultiparseSymbolTable]: [2018-04-07 02:27:07,909 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-07 02:27:07,909 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in memset2_true-valid-memsafety_true-termination.c [2018-04-07 02:27:07,909 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-07 02:27:07,909 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset__true_valid_memsafety_true_termination_c____u32 in memset2_true-valid-memsafety_true-termination.c [2018-04-07 02:27:07,909 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset__true_valid_memsafety_true_termination_c____kernel_size_t in memset2_true-valid-memsafety_true-termination.c [2018-04-07 02:27:07,910 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset__true_valid_memsafety_true_termination_c__size_t in memset2_true-valid-memsafety_true-termination.c [2018-04-07 02:27:07,924 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG891c7d996 [2018-04-07 02:27:07,929 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-07 02:27:07,931 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-04-07 02:27:07,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-07 02:27:07,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-07 02:27:07,939 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-07 02:27:07,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 02:27:07" (1/1) ... [2018-04-07 02:27:07,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4470cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:07, skipping insertion in model container [2018-04-07 02:27:07,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 02:27:07" (1/1) ... [2018-04-07 02:27:07,958 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-07 02:27:07,970 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-07 02:27:08,096 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-07 02:27:08,124 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-07 02:27:08,129 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-04-07 02:27:08,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:08 WrapperNode [2018-04-07 02:27:08,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-07 02:27:08,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-07 02:27:08,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-07 02:27:08,138 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-07 02:27:08,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:08" (1/1) ... [2018-04-07 02:27:08,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:08" (1/1) ... [2018-04-07 02:27:08,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:08" (1/1) ... [2018-04-07 02:27:08,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:08" (1/1) ... [2018-04-07 02:27:08,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:08" (1/1) ... [2018-04-07 02:27:08,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:08" (1/1) ... [2018-04-07 02:27:08,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:08" (1/1) ... [2018-04-07 02:27:08,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-07 02:27:08,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-07 02:27:08,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-07 02:27:08,169 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-07 02:27:08,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:08" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-07 02:27:08,240 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-07 02:27:08,241 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-07 02:27:08,241 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-07 02:27:08,241 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-04-07 02:27:08,241 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-07 02:27:08,241 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-07 02:27:08,241 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-07 02:27:08,241 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-04-07 02:27:08,242 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-07 02:27:08,244 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-07 02:27:08,244 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-07 02:27:08,400 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-07 02:27:08,485 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-07 02:27:08,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 02:27:08 BoogieIcfgContainer [2018-04-07 02:27:08,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-07 02:27:08,486 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-04-07 02:27:08,486 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-04-07 02:27:08,486 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-04-07 02:27:08,489 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 02:27:08" (1/1) ... [2018-04-07 02:27:08,498 INFO L139 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-04-07 02:27:08,498 INFO L140 apSepIcfgTransformer]: To be partitioned heap arrays found [] [2018-04-07 02:27:08,513 INFO L299 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-04-07 02:27:08,522 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-04-07 02:27:08,522 INFO L332 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 0 location literals (each corresponds to one heap write) [2018-04-07 02:27:08,526 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-04-07 02:27:08,529 INFO L412 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-04-07 02:27:08,530 DEBUG L416 apSepIcfgTransformer]: storeIndexInfoToLocLiteral: Map: [2018-04-07 02:27:08,531 DEBUG L418 apSepIcfgTransformer]: edgeToIndexToStoreIndexInfo: NestedMap2: [2018-04-07 02:27:08,610 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-04-07 02:27:09,072 INFO L314 AbstractInterpreter]: Visited 27 different actions 32 times. Merged at 4 different actions 4 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 15 variables. [2018-04-07 02:27:09,074 INFO L424 apSepIcfgTransformer]: finished equality analysis [2018-04-07 02:27:09,080 INFO L434 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-04-07 02:27:09,081 INFO L435 apSepIcfgTransformer]: array groups: Set: [2018-04-07 02:27:09,081 INFO L437 apSepIcfgTransformer]: select infos: Set: [2018-04-07 02:27:09,082 INFO L330 HeapPartitionManager]: partitioning result: [2018-04-07 02:27:09,083 INFO L131 ransitionTransformer]: executing heap partitioning transformation [2018-04-07 02:27:09,086 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,086 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:27:09,086 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,086 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,086 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,087 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:27:09,087 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,087 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,087 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,088 DEBUG L281 ransitionTransformer]: Formula: (and (= |v_#NULL.offset_1| 0) (= |v_#NULL.base_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] [2018-04-07 02:27:09,088 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,088 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,088 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,088 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:27:09,088 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,088 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,089 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,089 DEBUG L281 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] [2018-04-07 02:27:09,089 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,089 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,089 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,090 DEBUG L281 ransitionTransformer]: Formula: (= |v_#valid_1| (store |v_#valid_2| 0 0)) InVars {#valid=|v_#valid_2|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid] [2018-04-07 02:27:09,090 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,090 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,090 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,090 DEBUG L281 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[] [2018-04-07 02:27:09,090 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,091 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,091 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,091 DEBUG L281 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[] [2018-04-07 02:27:09,091 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,091 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,092 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,092 DEBUG L281 ransitionTransformer]: Formula: (and (= |v_#Ultimate.C_memset_#valueInParam_1| 0) (= |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] [2018-04-07 02:27:09,092 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,092 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,093 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,093 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:27:09,093 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,093 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,094 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,094 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{main_#t~memset3.offset=|v_main_#t~memset3.offset_2|, main_#t~memset3.base=|v_main_#t~memset3.base_2|} AuxVars[] AssignedVars[main_#t~memset3.offset, main_#t~memset3.base] [2018-04-07 02:27:09,094 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,094 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,094 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,095 DEBUG L281 ransitionTransformer]: Formula: (= 1 (select |v_#valid_3| |v_#Ultimate.C_memset_#ptr.base_1|)) InVars {#Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_1|, #valid=|v_#valid_3|} OutVars{#Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_1|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] [2018-04-07 02:27:09,095 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,095 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,095 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,095 DEBUG L281 ransitionTransformer]: Formula: (= |v_main_#res_1| 0) InVars {} OutVars{main_#res=|v_main_#res_1|} AuxVars[] AssignedVars[main_#res] [2018-04-07 02:27:09,095 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,095 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,096 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,096 DEBUG L281 ransitionTransformer]: Formula: (and (<= (+ |v_#Ultimate.C_memset_#ptr.offset_1| |v_#Ultimate.C_memset_#amount_1|) (select |v_#length_1| |v_#Ultimate.C_memset_#ptr.base_2|)) (<= 0 |v_#Ultimate.C_memset_#ptr.offset_1|)) InVars {#length=|v_#length_1|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_1|, #Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_2|, #Ultimate.C_memset_#ptr.offset=|v_#Ultimate.C_memset_#ptr.offset_1|} OutVars{#length=|v_#length_1|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_1|, #Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_2|, #Ultimate.C_memset_#ptr.offset=|v_#Ultimate.C_memset_#ptr.offset_1|} AuxVars[] AssignedVars[] [2018-04-07 02:27:09,096 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,096 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,097 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,097 DEBUG L281 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] [2018-04-07 02:27:09,097 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,097 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,097 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,098 DEBUG L281 ransitionTransformer]: Formula: (= |v_#Ultimate.C_memset_#t~loopctr5_1| 0) InVars {} OutVars{#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_1|} AuxVars[] AssignedVars[#Ultimate.C_memset_#t~loopctr5] [2018-04-07 02:27:09,098 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,098 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,098 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,099 DEBUG L281 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] [2018-04-07 02:27:09,099 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,099 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,099 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,100 DEBUG L281 ransitionTransformer]: Formula: (< |v_#Ultimate.C_memset_#t~loopctr5_2| |v_#Ultimate.C_memset_#amount_2|) InVars {#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_2|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_2|} OutVars{#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_2|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_2|} AuxVars[] AssignedVars[] [2018-04-07 02:27:09,100 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,100 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,100 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,101 DEBUG L281 ransitionTransformer]: Formula: (not (< |v_#Ultimate.C_memset_#t~loopctr5_5| |v_#Ultimate.C_memset_#amount_3|)) InVars {#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_5|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_3|} OutVars{#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_5|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_3|} AuxVars[] AssignedVars[] [2018-04-07 02:27:09,101 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,101 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,101 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,102 DEBUG L281 ransitionTransformer]: Formula: (= |v_#valid_14| |old(#valid)|) InVars {#valid=|v_#valid_14|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_14|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[] [2018-04-07 02:27:09,102 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,102 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,102 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,103 DEBUG L281 ransitionTransformer]: Formula: (not (= |v_#valid_15| |old(#valid)|)) InVars {#valid=|v_#valid_15|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_15|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[] [2018-04-07 02:27:09,103 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,103 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,103 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,103 DEBUG L281 ransitionTransformer]: Formula: (= |v_#Ultimate.C_memset_#t~loopctr5_3| (+ |v_#Ultimate.C_memset_#t~loopctr5_4| 1)) InVars {#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_4|} OutVars{#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_3|} AuxVars[] AssignedVars[#Ultimate.C_memset_#t~loopctr5] [2018-04-07 02:27:09,104 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,104 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,104 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,104 DEBUG L281 ransitionTransformer]: Formula: (and (= |v_#Ultimate.C_memset_#res.base_1| |v_#Ultimate.C_memset_#ptr.base_3|) (= |v_#Ultimate.C_memset_#ptr.offset_2| |v_#Ultimate.C_memset_#res.offset_1|)) InVars {#Ultimate.C_memset_#res.base=|v_#Ultimate.C_memset_#res.base_1|, #Ultimate.C_memset_#res.offset=|v_#Ultimate.C_memset_#res.offset_1|, #Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_3|, #Ultimate.C_memset_#ptr.offset=|v_#Ultimate.C_memset_#ptr.offset_2|} OutVars{#Ultimate.C_memset_#res.base=|v_#Ultimate.C_memset_#res.base_1|, #Ultimate.C_memset_#res.offset=|v_#Ultimate.C_memset_#res.offset_1|, #Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_3|, #Ultimate.C_memset_#ptr.offset=|v_#Ultimate.C_memset_#ptr.offset_2|} AuxVars[] AssignedVars[] [2018-04-07 02:27:09,105 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,105 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,105 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,105 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:27:09,105 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,105 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,105 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,105 DEBUG L281 ransitionTransformer]: Formula: (= |v_ULTIMATE.start_#t~ret4_2| |v_main_#resOutParam_1|) InVars {main_#res=|v_main_#resOutParam_1|} OutVars{ULTIMATE.start_#t~ret4=|v_ULTIMATE.start_#t~ret4_2|} AuxVars[] AssignedVars[ULTIMATE.start_#t~ret4] [2018-04-07 02:27:09,106 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,106 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,106 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:27:09,106 DEBUG L281 ransitionTransformer]: Formula: (and (= |v_main_#t~memset3.offset_3| |v_#Ultimate.C_memset_#res.offsetOutParam_1|) (= |v_main_#t~memset3.base_3| |v_#Ultimate.C_memset_#res.baseOutParam_1|)) InVars {#Ultimate.C_memset_#res.base=|v_#Ultimate.C_memset_#res.baseOutParam_1|, #Ultimate.C_memset_#res.offset=|v_#Ultimate.C_memset_#res.offsetOutParam_1|} OutVars{main_#t~memset3.offset=|v_main_#t~memset3.offset_3|, main_#t~memset3.base=|v_main_#t~memset3.base_3|} AuxVars[] AssignedVars[main_#t~memset3.offset, main_#t~memset3.base] [2018-04-07 02:27:09,107 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:27:09,107 DEBUG L310 ransitionTransformer]: [2018-04-07 02:27:09,107 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-04-07 02:27:09,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 02:27:09 BasicIcfg [2018-04-07 02:27:09,109 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-04-07 02:27:09,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-07 02:27:09,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-07 02:27:09,112 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-07 02:27:09,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.04 02:27:07" (1/4) ... [2018-04-07 02:27:09,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176fb7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 02:27:09, skipping insertion in model container [2018-04-07 02:27:09,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:27:08" (2/4) ... [2018-04-07 02:27:09,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176fb7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 02:27:09, skipping insertion in model container [2018-04-07 02:27:09,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 02:27:08" (3/4) ... [2018-04-07 02:27:09,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176fb7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 02:27:09, skipping insertion in model container [2018-04-07 02:27:09,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 02:27:09" (4/4) ... [2018-04-07 02:27:09,116 INFO L107 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-04-07 02:27:09,123 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-07 02:27:09,131 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-04-07 02:27:09,165 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-07 02:27:09,165 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-07 02:27:09,166 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-07 02:27:09,166 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-07 02:27:09,166 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-07 02:27:09,166 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-07 02:27:09,166 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-07 02:27:09,166 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-07 02:27:09,166 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-07 02:27:09,167 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-07 02:27:09,177 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-04-07 02:27:09,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-07 02:27:09,183 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:09,184 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:27:09,184 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:09,187 INFO L82 PathProgramCache]: Analyzing trace with hash -639658125, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:09,201 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:09,235 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:09,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-07 02:27:09,272 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-07 02:27:09,277 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-07 02:27:09,278 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-07 02:27:09,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:09,292 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:09,332 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-07 02:27:09,332 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-07 02:27:09,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-07 02:27:09,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-07 02:27:09,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-07 02:27:09,344 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2018-04-07 02:27:09,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:09,383 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-04-07 02:27:09,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-07 02:27:09,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-04-07 02:27:09,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:09,394 INFO L225 Difference]: With dead ends: 26 [2018-04-07 02:27:09,394 INFO L226 Difference]: Without dead ends: 22 [2018-04-07 02:27:09,398 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 [2018-04-07 02:27:09,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-04-07 02:27:09,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-04-07 02:27:09,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-04-07 02:27:09,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-04-07 02:27:09,426 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 8 [2018-04-07 02:27:09,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:09,426 INFO L459 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-04-07 02:27:09,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-07 02:27:09,427 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-04-07 02:27:09,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-07 02:27:09,427 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:09,427 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:27:09,427 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:09,427 INFO L82 PathProgramCache]: Analyzing trace with hash -639658124, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:09,434 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:09,448 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:09,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-07 02:27:09,459 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-07 02:27:09,466 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-07 02:27:09,466 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-07 02:27:09,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:09,474 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:09,528 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-07 02:27:09,529 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2018-04-07 02:27:09,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-07 02:27:09,530 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-07 02:27:09,530 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-07 02:27:09,530 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 4 states. [2018-04-07 02:27:09,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:09,546 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-04-07 02:27:09,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-07 02:27:09,547 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-07 02:27:09,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:09,548 INFO L225 Difference]: With dead ends: 22 [2018-04-07 02:27:09,548 INFO L226 Difference]: Without dead ends: 21 [2018-04-07 02:27:09,549 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 [2018-04-07 02:27:09,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-04-07 02:27:09,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-04-07 02:27:09,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-04-07 02:27:09,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-04-07 02:27:09,553 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 8 [2018-04-07 02:27:09,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:09,553 INFO L459 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-04-07 02:27:09,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-07 02:27:09,554 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-04-07 02:27:09,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-07 02:27:09,555 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:09,555 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:27:09,555 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:09,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1331501896, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:09,561 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:09,577 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:09,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:09,611 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:09,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:09,690 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-07 02:27:09,691 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-07 02:27:09,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-07 02:27:09,691 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-07 02:27:09,692 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-07 02:27:09,692 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 6 states. [2018-04-07 02:27:09,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:09,820 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2018-04-07 02:27:09,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-07 02:27:09,821 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-04-07 02:27:09,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:09,822 INFO L225 Difference]: With dead ends: 34 [2018-04-07 02:27:09,822 INFO L226 Difference]: Without dead ends: 24 [2018-04-07 02:27:09,823 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 [2018-04-07 02:27:09,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-04-07 02:27:09,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-04-07 02:27:09,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-04-07 02:27:09,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-04-07 02:27:09,827 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 19 [2018-04-07 02:27:09,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:09,827 INFO L459 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-04-07 02:27:09,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-07 02:27:09,827 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-04-07 02:27:09,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-07 02:27:09,828 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:09,829 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] [2018-04-07 02:27:09,829 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:09,829 INFO L82 PathProgramCache]: Analyzing trace with hash 516113744, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:09,840 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:09,864 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:10,049 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:10,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:10,272 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-07 02:27:10,272 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-04-07 02:27:10,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-07 02:27:10,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-07 02:27:10,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-04-07 02:27:10,273 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 10 states. [2018-04-07 02:27:10,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:10,317 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2018-04-07 02:27:10,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-07 02:27:10,318 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-07 02:27:10,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:10,319 INFO L225 Difference]: With dead ends: 42 [2018-04-07 02:27:10,320 INFO L226 Difference]: Without dead ends: 32 [2018-04-07 02:27:10,320 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2018-04-07 02:27:10,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-07 02:27:10,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-04-07 02:27:10,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-07 02:27:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-04-07 02:27:10,325 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 23 [2018-04-07 02:27:10,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:10,326 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-04-07 02:27:10,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-07 02:27:10,326 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-04-07 02:27:10,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-07 02:27:10,327 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:10,327 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] [2018-04-07 02:27:10,327 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:10,327 INFO L82 PathProgramCache]: Analyzing trace with hash 20237664, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:10,333 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:10,351 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:10,473 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:10,750 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:10,773 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-07 02:27:10,773 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-04-07 02:27:10,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-07 02:27:10,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-07 02:27:10,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=167, Unknown=0, NotChecked=0, Total=306 [2018-04-07 02:27:10,774 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 18 states. [2018-04-07 02:27:10,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:10,847 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2018-04-07 02:27:10,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-07 02:27:10,848 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 31 [2018-04-07 02:27:10,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:10,849 INFO L225 Difference]: With dead ends: 58 [2018-04-07 02:27:10,850 INFO L226 Difference]: Without dead ends: 48 [2018-04-07 02:27:10,850 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 [2018-04-07 02:27:10,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-07 02:27:10,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-07 02:27:10,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-07 02:27:10,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-04-07 02:27:10,859 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 31 [2018-04-07 02:27:10,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:10,859 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-04-07 02:27:10,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-07 02:27:10,859 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-04-07 02:27:10,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-07 02:27:10,861 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:10,861 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] [2018-04-07 02:27:10,861 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:10,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1427853952, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:10,871 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:10,891 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:11,040 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:11,040 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:11,631 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-07 02:27:11,632 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2018-04-07 02:27:11,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-07 02:27:11,632 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-07 02:27:11,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=531, Invalid=591, Unknown=0, NotChecked=0, Total=1122 [2018-04-07 02:27:11,633 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 34 states. [2018-04-07 02:27:11,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:11,782 INFO L93 Difference]: Finished difference Result 90 states and 105 transitions. [2018-04-07 02:27:11,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-07 02:27:11,783 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 47 [2018-04-07 02:27:11,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:11,784 INFO L225 Difference]: With dead ends: 90 [2018-04-07 02:27:11,785 INFO L226 Difference]: Without dead ends: 80 [2018-04-07 02:27:11,785 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=551, Invalid=639, Unknown=0, NotChecked=0, Total=1190 [2018-04-07 02:27:11,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-07 02:27:11,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-04-07 02:27:11,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-07 02:27:11,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-04-07 02:27:11,795 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 47 [2018-04-07 02:27:11,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:11,796 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-04-07 02:27:11,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-07 02:27:11,796 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-04-07 02:27:11,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-07 02:27:11,797 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:11,797 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] [2018-04-07 02:27:11,798 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:11,798 INFO L82 PathProgramCache]: Analyzing trace with hash 2067246528, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:11,804 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:11,829 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:12,236 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:12,237 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:13,507 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:27:13,529 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-07 02:27:13,529 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66 [2018-04-07 02:27:13,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-04-07 02:27:13,530 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-04-07 02:27:13,532 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1852, Invalid=2438, Unknown=0, NotChecked=0, Total=4290 [2018-04-07 02:27:13,532 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 66 states. [2018-04-07 02:27:13,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:13,762 INFO L93 Difference]: Finished difference Result 110 states and 119 transitions. [2018-04-07 02:27:13,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-07 02:27:13,763 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 79 [2018-04-07 02:27:13,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:13,765 INFO L225 Difference]: With dead ends: 110 [2018-04-07 02:27:13,765 INFO L226 Difference]: Without dead ends: 100 [2018-04-07 02:27:13,766 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1888, Invalid=2534, Unknown=0, NotChecked=0, Total=4422 [2018-04-07 02:27:13,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-04-07 02:27:13,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-04-07 02:27:13,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-04-07 02:27:13,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-04-07 02:27:13,779 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 79 [2018-04-07 02:27:13,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:13,779 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2018-04-07 02:27:13,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-04-07 02:27:13,779 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-04-07 02:27:13,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-04-07 02:27:13,783 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:27:13,783 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] [2018-04-07 02:27:13,783 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:27:13,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1618340840, now seen corresponding path program 5 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:27:13,793 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:27:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:27:13,827 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:27:13,853 INFO L700 Elim1Store]: detected not equals via solver [2018-04-07 02:27:13,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-07 02:27:13,854 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-07 02:27:13,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-07 02:27:13,855 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-07 02:27:13,940 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_~#cstats~0.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_~#cstats~0.base| 0)) (= 0 (select |c_old(#valid)| |main_~#cstats~0.base|)))) is different from true [2018-04-07 02:27:13,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2018-04-07 02:27:13,982 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:27:14,034 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 [2018-04-07 02:27:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2018-04-07 02:27:14,063 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-07 02:27:14,063 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-07 02:27:14,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-07 02:27:14,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-07 02:27:14,064 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-07 02:27:14,064 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 8 states. [2018-04-07 02:27:14,071 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 [2018-04-07 02:27:14,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:27:14,121 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-04-07 02:27:14,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-07 02:27:14,122 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-04-07 02:27:14,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:27:14,122 INFO L225 Difference]: With dead ends: 100 [2018-04-07 02:27:14,122 INFO L226 Difference]: Without dead ends: 0 [2018-04-07 02:27:14,123 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 [2018-04-07 02:27:14,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-07 02:27:14,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-07 02:27:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-07 02:27:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-07 02:27:14,124 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2018-04-07 02:27:14,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:27:14,124 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-07 02:27:14,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-07 02:27:14,124 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-07 02:27:14,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-07 02:27:14,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-07 02:27:14,434 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 18 DAG size of output 16 [2018-04-07 02:27:14,444 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-07 02:27:14,444 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-07 02:27:14,444 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-07 02:27:14,444 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-07 02:27:14,444 INFO L419 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-04-07 02:27:14,444 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-07 02:27:14,444 INFO L419 ceAbstractionStarter]: At program point L-1''(line -1) the Hoare annotation is: true [2018-04-07 02:27:14,445 INFO L416 ceAbstractionStarter]: For program point L-1'(line -1) no Hoare annotation was computed. [2018-04-07 02:27:14,445 INFO L416 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-04-07 02:27:14,445 INFO L416 ceAbstractionStarter]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2018-04-07 02:27:14,445 INFO L416 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-04-07 02:27:14,445 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-07 02:27:14,445 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-07 02:27:14,445 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-07 02:27:14,445 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-07 02:27:14,445 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 20 24) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-07 02:27:14,445 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 22) no Hoare annotation was computed. [2018-04-07 02:27:14,445 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 20 24) no Hoare annotation was computed. [2018-04-07 02:27:14,446 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|)) [2018-04-07 02:27:14,446 INFO L416 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-04-07 02:27:14,446 INFO L416 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-04-07 02:27:14,446 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 22) no Hoare annotation was computed. [2018-04-07 02:27:14,446 INFO L416 ceAbstractionStarter]: For program point L21''(line 21) no Hoare annotation was computed. [2018-04-07 02:27:14,446 INFO L416 ceAbstractionStarter]: For program point L21'(line 21) no Hoare annotation was computed. [2018-04-07 02:27:14,446 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 20 24) no Hoare annotation was computed. [2018-04-07 02:27:14,446 INFO L416 ceAbstractionStarter]: For program point mainErr2EnsuresViolationMEMORY_LEAK(lines 20 24) no Hoare annotation was computed. [2018-04-07 02:27:14,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 02:27:14 BasicIcfg [2018-04-07 02:27:14,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-07 02:27:14,451 INFO L168 Benchmark]: Toolchain (without parser) took 6521.45 ms. Allocated memory was 305.7 MB in the beginning and 565.7 MB in the end (delta: 260.0 MB). Free memory was 248.7 MB in the beginning and 489.7 MB in the end (delta: -241.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 5.3 GB. [2018-04-07 02:27:14,452 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 305.7 MB. Free memory is still 266.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-07 02:27:14,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.19 ms. Allocated memory is still 305.7 MB. Free memory was 248.7 MB in the beginning and 238.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-04-07 02:27:14,452 INFO L168 Benchmark]: Boogie Preprocessor took 30.55 ms. Allocated memory is still 305.7 MB. Free memory was 238.6 MB in the beginning and 236.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-07 02:27:14,453 INFO L168 Benchmark]: RCFGBuilder took 316.93 ms. Allocated memory was 305.7 MB in the beginning and 468.2 MB in the end (delta: 162.5 MB). Free memory was 236.6 MB in the beginning and 438.5 MB in the end (delta: -201.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 5.3 GB. [2018-04-07 02:27:14,453 INFO L168 Benchmark]: IcfgTransformer took 623.31 ms. Allocated memory is still 468.2 MB. Free memory was 438.5 MB in the beginning and 381.2 MB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 5.3 GB. [2018-04-07 02:27:14,453 INFO L168 Benchmark]: TraceAbstraction took 5340.47 ms. Allocated memory was 468.2 MB in the beginning and 565.7 MB in the end (delta: 97.5 MB). Free memory was 381.2 MB in the beginning and 489.7 MB in the end (delta: -108.5 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-07 02:27:14,456 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 305.7 MB. Free memory is still 266.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 205.19 ms. Allocated memory is still 305.7 MB. Free memory was 248.7 MB in the beginning and 238.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.55 ms. Allocated memory is still 305.7 MB. Free memory was 238.6 MB in the beginning and 236.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 316.93 ms. Allocated memory was 305.7 MB in the beginning and 468.2 MB in the end (delta: 162.5 MB). Free memory was 236.6 MB in the beginning and 438.5 MB in the end (delta: -201.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 5.3 GB. * IcfgTransformer took 623.31 ms. Allocated memory is still 468.2 MB. Free memory was 438.5 MB in the beginning and 381.2 MB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5340.47 ms. Allocated memory was 468.2 MB in the beginning and 565.7 MB in the end (delta: 97.5 MB). Free memory was 381.2 MB in the beginning and 489.7 MB in the end (delta: -108.5 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 25 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 148 LocStat_NO_SUPPORTING_DISEQUALITIES : 36 LocStat_NO_DISJUNCTIONS : -50 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 33 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 35 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 34 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 94.96 RENAME_VARIABLES(MILLISECONDS) : 25.52 UNFREEZE(MILLISECONDS) : 0.00 CONJOIN(MILLISECONDS) : 95.78 PROJECTAWAY(MILLISECONDS) : 164.92 ADD_WEAK_EQUALITY(MILLISECONDS) : 5.45 DISJOIN(MILLISECONDS) : 4.15 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 28.79 ADD_EQUALITY(MILLISECONDS) : 7.61 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.00 ADD_DISEQUALITY(MILLISECONDS) : 0.17 #CONJOIN_DISJUNCTIVE : 42 #RENAME_VARIABLES : 83 #UNFREEZE : 0 #CONJOIN : 72 #PROJECTAWAY : 84 #ADD_WEAK_EQUALITY : 4 #DISJOIN : 1 #RENAME_VARIABLES_DISJUNCTIVE : 82 #ADD_EQUALITY : 35 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 3 - StatisticsResult: WeqCcManagerStatistics FREEZE(MILLISECONDS) : 92.13 ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 93.83 FILTERREDUNDANT(MILLISECONDS) : 0.00 REPORTWEQ(MILLISECONDS) : 5.37 JOIN(MILLISECONDS) : 3.79 RENAMEVARS(MILLISECONDS) : 24.10 FLATTENLABELS(MILLISECONDS) : 0.00 COPY(MILLISECONDS) : 0.00 ISSTRONGERTHAN(MILLISECONDS) : 22.46 ISLABELSTRONGERTHAN(MILLISECONDS) : 9.38 ISWEQGRAPHSTRONGERTHAN(MILLISECONDS) : 0.03 UNFREEZE(MILLISECONDS) : 9.32 REPORTCONTAINS(MILLISECONDS) : 0.00 PROJECTAWAY(MILLISECONDS) : 152.11 MEETEDGELABELS(MILLISECONDS) : 11.28 REPORTEQUALITY(MILLISECONDS) : 19.70 ADDALLNODES(MILLISECONDS) : 23.82 REPORTDISEQUALITY(MILLISECONDS) : 0.38 WEQGRAPHJOIN(MILLISECONDS) : 1.32 #FREEZE : 219 #ADDNODE : 0 #MEET : 50 #FILTERREDUNDANT : 0 #REPORTWEQ : 4 #JOIN : 1 #RENAMEVARS : 83 #FLATTENLABELS : 0 #COPY : 0 #ISSTRONGERTHAN : 19 #ISLABELSTRONGERTHAN : 332 #ISWEQGRAPHSTRONGERTHAN : 8 #UNFREEZE : 240 #REPORTCONTAINS : 0 #PROJECTAWAY : 107 #MEETEDGELABELS : 83 #REPORTEQUALITY : 244 #ADDALLNODES : 50 #REPORTDISEQUALITY : 48 #WEQGRAPHJOIN : 1 - StatisticsResult: CcManagerStatistics ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 58.28 REPORT_EQUALITY(MILLISECONDS) : 16.91 FILTERREDUNDANT(MILLISECONDS) : 38.57 ADD_ALL_ELEMENTS(MILLISECONDS) : 8.52 JOIN(MILLISECONDS) : 1.09 ALIGN_ELEMENTS(MILLISECONDS) : 3.64 COPY(MILLISECONDS) : 0.00 REPORT_DISEQUALITY(MILLISECONDS) : 6.86 UNFREEZE(MILLISECONDS) : 0.00 OVERALL(MILLISECONDS) : 104.56 REPORTCONTAINS(MILLISECONDS) : 0.00 IS_STRONGER_THAN_NO_CACHING(MILLISECONDS) : 12.00 REMOVE(MILLISECONDS) : 0.00 IS_STRONGER_THAN_W_CACHING(MILLISECONDS) : 0.00 PROJECT_TO_ELEMENTS(MILLISECONDS) : 28.69 #ADDNODE : 0 #MEET : 241 #REPORT_EQUALITY : 1175 #FILTERREDUNDANT : 1054 #ADD_ALL_ELEMENTS : 306 #JOIN : 1 #ALIGN_ELEMENTS : 32 #COPY : 0 #REPORT_DISEQUALITY : 506 #UNFREEZE : 0 #OVERALL : 4298 #REPORTCONTAINS : 0 #IS_STRONGER_THAN_NO_CACHING : 787 #REMOVE : 0 #IS_STRONGER_THAN_W_CACHING : 0 #PROJECT_TO_ELEMENTS : 196 * 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, 5.2s OverallTime, 8 OverallIterations, 40 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 148 SDtfs, 222 SDslu, 316 SDs, 0 SdLazy, 340 SolverSat, 225 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 629 GetRequests, 481 SyntacticMatches, 6 SemanticMatches, 142 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 739 ImplicationChecksByTransitivity, 2.9s 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, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 54 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.6s 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/memset2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-04-07_02-27-14-473.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-04-07_02-27-14-473.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-04-07_02-27-14-473.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-1-2018-04-07_02-27-14-473.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-2-2018-04-07_02-27-14-473.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-04-07_02-27-14-473.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-07_02-27-14-473.csv Received shutdown request...