java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 16:27:25,322 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 16:27:25,325 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 16:27:25,340 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 16:27:25,340 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 16:27:25,341 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 16:27:25,342 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 16:27:25,344 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 16:27:25,346 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 16:27:25,347 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 16:27:25,350 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 16:27:25,350 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 16:27:25,351 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 16:27:25,352 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 16:27:25,353 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 16:27:25,354 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 16:27:25,355 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 16:27:25,357 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 16:27:25,359 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 16:27:25,360 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 16:27:25,361 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 16:27:25,362 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 16:27:25,365 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-14 16:27:25,365 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-14 16:27:25,365 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-14 16:27:25,366 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-14 16:27:25,367 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-14 16:27:25,368 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-14 16:27:25,369 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-14 16:27:25,370 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-14 16:27:25,370 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-14 16:27:25,371 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-14 16:27:25,371 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-14 16:27:25,371 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-14 16:27:25,372 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-14 16:27:25,373 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-14 16:27:25,373 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-14 16:27:25,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 16:27:25,399 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 16:27:25,400 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 16:27:25,400 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 16:27:25,400 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 16:27:25,401 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 16:27:25,401 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 16:27:25,401 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 16:27:25,401 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 16:27:25,401 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 16:27:25,402 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 16:27:25,402 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 16:27:25,402 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 16:27:25,402 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 16:27:25,402 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-14 16:27:25,402 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-14 16:27:25,403 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 16:27:25,403 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 16:27:25,403 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 16:27:25,403 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 16:27:25,403 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 16:27:25,404 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 16:27:25,404 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 16:27:25,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 16:27:25,404 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 16:27:25,405 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 16:27:25,405 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 16:27:25,405 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-14 16:27:25,405 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 16:27:25,405 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-14 16:27:25,405 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-14 16:27:25,406 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 16:27:25,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 16:27:25,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 16:27:25,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 16:27:25,482 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 16:27:25,482 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 16:27:25,483 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-11-14 16:27:25,552 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa49b3a01/4716fa723bc64f9493d86139e9fc7a5e/FLAG20cb50917 [2018-11-14 16:27:26,027 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 16:27:26,028 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-11-14 16:27:26,048 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa49b3a01/4716fa723bc64f9493d86139e9fc7a5e/FLAG20cb50917 [2018-11-14 16:27:26,063 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa49b3a01/4716fa723bc64f9493d86139e9fc7a5e [2018-11-14 16:27:26,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 16:27:26,076 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 16:27:26,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 16:27:26,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 16:27:26,084 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 16:27:26,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:27:26" (1/1) ... [2018-11-14 16:27:26,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5d886f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:26, skipping insertion in model container [2018-11-14 16:27:26,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:27:26" (1/1) ... [2018-11-14 16:27:26,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 16:27:26,165 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 16:27:26,540 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 16:27:26,560 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 16:27:26,738 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 16:27:26,801 INFO L195 MainTranslator]: Completed translation [2018-11-14 16:27:26,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:26 WrapperNode [2018-11-14 16:27:26,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 16:27:26,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 16:27:26,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 16:27:26,803 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 16:27:26,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:26" (1/1) ... [2018-11-14 16:27:26,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:26" (1/1) ... [2018-11-14 16:27:26,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:26" (1/1) ... [2018-11-14 16:27:26,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:26" (1/1) ... [2018-11-14 16:27:26,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:26" (1/1) ... [2018-11-14 16:27:26,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:26" (1/1) ... [2018-11-14 16:27:26,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:26" (1/1) ... [2018-11-14 16:27:26,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 16:27:26,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 16:27:26,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 16:27:26,925 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 16:27:26,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:26" (1/1) ... No working directory specified, using /storage/repos/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 [2018-11-14 16:27:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 16:27:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 16:27:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 16:27:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-14 16:27:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-14 16:27:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-14 16:27:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-14 16:27:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-14 16:27:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-14 16:27:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-14 16:27:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-14 16:27:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-14 16:27:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-14 16:27:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-14 16:27:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-14 16:27:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-14 16:27:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-14 16:27:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-14 16:27:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-14 16:27:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-14 16:27:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-14 16:27:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-14 16:27:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-14 16:27:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-14 16:27:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-14 16:27:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-14 16:27:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-14 16:27:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-14 16:27:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-14 16:27:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-14 16:27:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-14 16:27:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-14 16:27:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-14 16:27:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-14 16:27:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-14 16:27:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-14 16:27:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-14 16:27:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-14 16:27:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-14 16:27:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-14 16:27:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-14 16:27:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-14 16:27:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-14 16:27:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-14 16:27:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-14 16:27:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-14 16:27:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-14 16:27:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-14 16:27:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-14 16:27:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-14 16:27:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-14 16:27:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-14 16:27:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-14 16:27:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-14 16:27:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-14 16:27:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-14 16:27:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-14 16:27:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-14 16:27:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-14 16:27:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-14 16:27:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-14 16:27:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-14 16:27:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-14 16:27:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-14 16:27:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-14 16:27:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-14 16:27:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-14 16:27:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-14 16:27:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-14 16:27:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-14 16:27:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-14 16:27:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-14 16:27:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-14 16:27:26,996 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-14 16:27:26,996 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-14 16:27:26,996 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-14 16:27:26,996 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-14 16:27:26,996 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-14 16:27:26,996 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-14 16:27:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-14 16:27:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-14 16:27:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-14 16:27:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-14 16:27:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-14 16:27:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-14 16:27:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-14 16:27:26,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-14 16:27:26,998 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-14 16:27:26,998 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-14 16:27:26,998 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-14 16:27:26,998 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-14 16:27:26,998 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-14 16:27:26,998 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-14 16:27:26,999 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-14 16:27:26,999 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-14 16:27:26,999 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-14 16:27:26,999 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-14 16:27:26,999 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-14 16:27:26,999 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-14 16:27:26,999 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-14 16:27:27,000 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-14 16:27:27,000 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-14 16:27:27,000 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-14 16:27:27,000 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-14 16:27:27,000 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-14 16:27:27,000 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-14 16:27:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-14 16:27:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 16:27:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 16:27:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-14 16:27:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-14 16:27:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-14 16:27:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-14 16:27:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-14 16:27:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-14 16:27:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 16:27:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 16:27:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-14 16:27:29,709 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 16:27:29,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:27:29 BoogieIcfgContainer [2018-11-14 16:27:29,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 16:27:29,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 16:27:29,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 16:27:29,714 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 16:27:29,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:27:26" (1/3) ... [2018-11-14 16:27:29,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400a2240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:27:29, skipping insertion in model container [2018-11-14 16:27:29,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:26" (2/3) ... [2018-11-14 16:27:29,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400a2240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:27:29, skipping insertion in model container [2018-11-14 16:27:29,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:27:29" (3/3) ... [2018-11-14 16:27:29,718 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-11-14 16:27:29,729 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 16:27:29,741 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-11-14 16:27:29,759 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-11-14 16:27:29,791 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 16:27:29,792 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 16:27:29,792 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 16:27:29,793 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 16:27:29,793 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 16:27:29,794 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 16:27:29,794 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 16:27:29,794 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 16:27:29,794 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 16:27:29,814 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-11-14 16:27:29,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-14 16:27:29,821 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:27:29,822 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 16:27:29,825 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:27:29,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:27:29,832 INFO L82 PathProgramCache]: Analyzing trace with hash -253481809, now seen corresponding path program 1 times [2018-11-14 16:27:29,837 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:27:29,838 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 16:27:29,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:27:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:27:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:27:29,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:27:30,247 INFO L256 TraceCheckUtils]: 0: Hoare triple {60#true} call ULTIMATE.init(); {60#true} is VALID [2018-11-14 16:27:30,251 INFO L273 TraceCheckUtils]: 1: Hoare triple {60#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {60#true} is VALID [2018-11-14 16:27:30,251 INFO L273 TraceCheckUtils]: 2: Hoare triple {60#true} assume true; {60#true} is VALID [2018-11-14 16:27:30,252 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {60#true} {60#true} #195#return; {60#true} is VALID [2018-11-14 16:27:30,252 INFO L256 TraceCheckUtils]: 4: Hoare triple {60#true} call #t~ret21 := main(); {60#true} is VALID [2018-11-14 16:27:30,271 INFO L273 TraceCheckUtils]: 5: Hoare triple {60#true} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12bv32);~bucket~0.base, ~bucket~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~intINTTYPE4(0bv32, ~bucket~0.base, ~bvadd32(8bv32, ~bucket~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bucket~0.base, ~bvadd32(4bv32, ~bucket~0.offset), 4bv32);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc1.base, #t~malloc1.offset, ~bucket~0.base, ~bucket~0.offset, 4bv32);call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~bucket~0.base, ~bucket~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem2.base, #t~mem2.offset;havoc #t~mem2.base, #t~mem2.offset;call write~intINTTYPE4(1bv32, ~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~bcki~0.base, ~bcki~0.offset, 4bv32);call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~bcki~0.base, ~bcki~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem4.base, #t~mem4.offset;havoc #t~mem4.base, #t~mem4.offset;call write~intINTTYPE4(2bv32, ~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bcki~0.offset, 4bv32);~item~0.base, ~item~0.offset := 0bv32, 0bv32;~itr~0.base, ~itr~0.offset := 0bv32, 0bv32; {80#(not (= (_ bv0 32) main_~bucket~0.base))} is VALID [2018-11-14 16:27:30,286 INFO L273 TraceCheckUtils]: 6: Hoare triple {80#(not (= (_ bv0 32) main_~bucket~0.base))} assume true; {80#(not (= (_ bv0 32) main_~bucket~0.base))} is VALID [2018-11-14 16:27:30,292 INFO L273 TraceCheckUtils]: 7: Hoare triple {80#(not (= (_ bv0 32) main_~bucket~0.base))} assume !!(#t~nondet5 != 0bv32);havoc #t~nondet5;call #t~malloc6.base, #t~malloc6.offset := #Ultimate.alloc(8bv32);~item~0.base, ~item~0.offset := #t~malloc6.base, #t~malloc6.offset;call write~$Pointer$(0bv32, 0bv32, ~item~0.base, ~item~0.offset, 4bv32); {80#(not (= (_ bv0 32) main_~bucket~0.base))} is VALID [2018-11-14 16:27:30,294 INFO L273 TraceCheckUtils]: 8: Hoare triple {80#(not (= (_ bv0 32) main_~bucket~0.base))} assume #t~nondet7 != 0bv32;havoc #t~nondet7;call write~intINTTYPE4(0bv32, ~item~0.base, ~bvadd32(4bv32, ~item~0.offset), 4bv32); {80#(not (= (_ bv0 32) main_~bucket~0.base))} is VALID [2018-11-14 16:27:30,294 INFO L273 TraceCheckUtils]: 9: Hoare triple {80#(not (= (_ bv0 32) main_~bucket~0.base))} ~bcki~0.base, ~bcki~0.offset := ~bucket~0.base, ~bucket~0.offset; {93#(not (= (_ bv0 32) main_~bcki~0.base))} is VALID [2018-11-14 16:27:30,296 INFO L273 TraceCheckUtils]: 10: Hoare triple {93#(not (= (_ bv0 32) main_~bcki~0.base))} assume true; {93#(not (= (_ bv0 32) main_~bcki~0.base))} is VALID [2018-11-14 16:27:30,296 INFO L273 TraceCheckUtils]: 11: Hoare triple {93#(not (= (_ bv0 32) main_~bcki~0.base))} assume !(~bcki~0.base != 0bv32 || ~bcki~0.offset != 0bv32); {61#false} is VALID [2018-11-14 16:27:30,297 INFO L273 TraceCheckUtils]: 12: Hoare triple {61#false} assume !false; {61#false} is VALID [2018-11-14 16:27:30,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 16:27:30,300 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 16:27:30,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 16:27:30,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-14 16:27:30,310 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-11-14 16:27:30,313 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:27:30,317 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-14 16:27:30,441 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:27:30,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-14 16:27:30,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-14 16:27:30,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-14 16:27:30,453 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 4 states. [2018-11-14 16:27:33,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:27:33,026 INFO L93 Difference]: Finished difference Result 140 states and 216 transitions. [2018-11-14 16:27:33,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-14 16:27:33,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-11-14 16:27:33,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:27:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-14 16:27:33,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 216 transitions. [2018-11-14 16:27:33,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-14 16:27:33,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 216 transitions. [2018-11-14 16:27:33,054 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 216 transitions. [2018-11-14 16:27:33,556 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 216 edges. 216 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:27:33,574 INFO L225 Difference]: With dead ends: 140 [2018-11-14 16:27:33,574 INFO L226 Difference]: Without dead ends: 84 [2018-11-14 16:27:33,578 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-14 16:27:33,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-11-14 16:27:33,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 55. [2018-11-14 16:27:33,819 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:27:33,820 INFO L82 GeneralOperation]: Start isEquivalent. First operand 84 states. Second operand 55 states. [2018-11-14 16:27:33,821 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 55 states. [2018-11-14 16:27:33,821 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 55 states. [2018-11-14 16:27:33,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:27:33,829 INFO L93 Difference]: Finished difference Result 84 states and 98 transitions. [2018-11-14 16:27:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 98 transitions. [2018-11-14 16:27:33,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:27:33,831 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:27:33,831 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 84 states. [2018-11-14 16:27:33,831 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 84 states. [2018-11-14 16:27:33,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:27:33,839 INFO L93 Difference]: Finished difference Result 84 states and 98 transitions. [2018-11-14 16:27:33,839 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 98 transitions. [2018-11-14 16:27:33,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:27:33,841 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:27:33,841 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:27:33,841 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:27:33,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-14 16:27:33,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2018-11-14 16:27:33,847 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 13 [2018-11-14 16:27:33,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:27:33,848 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2018-11-14 16:27:33,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-14 16:27:33,848 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2018-11-14 16:27:33,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-14 16:27:33,849 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:27:33,849 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 16:27:33,850 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:27:33,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:27:33,850 INFO L82 PathProgramCache]: Analyzing trace with hash 941939721, now seen corresponding path program 1 times [2018-11-14 16:27:33,851 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:27:33,851 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 16:27:33,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:27:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:27:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:27:33,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:27:33,998 INFO L256 TraceCheckUtils]: 0: Hoare triple {498#true} call ULTIMATE.init(); {498#true} is VALID [2018-11-14 16:27:33,999 INFO L273 TraceCheckUtils]: 1: Hoare triple {498#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {498#true} is VALID [2018-11-14 16:27:33,999 INFO L273 TraceCheckUtils]: 2: Hoare triple {498#true} assume true; {498#true} is VALID [2018-11-14 16:27:33,999 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {498#true} {498#true} #195#return; {498#true} is VALID [2018-11-14 16:27:34,000 INFO L256 TraceCheckUtils]: 4: Hoare triple {498#true} call #t~ret21 := main(); {498#true} is VALID [2018-11-14 16:27:34,000 INFO L273 TraceCheckUtils]: 5: Hoare triple {498#true} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12bv32);~bucket~0.base, ~bucket~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~intINTTYPE4(0bv32, ~bucket~0.base, ~bvadd32(8bv32, ~bucket~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bucket~0.base, ~bvadd32(4bv32, ~bucket~0.offset), 4bv32);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc1.base, #t~malloc1.offset, ~bucket~0.base, ~bucket~0.offset, 4bv32);call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~bucket~0.base, ~bucket~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem2.base, #t~mem2.offset;havoc #t~mem2.base, #t~mem2.offset;call write~intINTTYPE4(1bv32, ~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~bcki~0.base, ~bcki~0.offset, 4bv32);call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~bcki~0.base, ~bcki~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem4.base, #t~mem4.offset;havoc #t~mem4.base, #t~mem4.offset;call write~intINTTYPE4(2bv32, ~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bcki~0.offset, 4bv32);~item~0.base, ~item~0.offset := 0bv32, 0bv32;~itr~0.base, ~itr~0.offset := 0bv32, 0bv32; {498#true} is VALID [2018-11-14 16:27:34,000 INFO L273 TraceCheckUtils]: 6: Hoare triple {498#true} assume true; {498#true} is VALID [2018-11-14 16:27:34,001 INFO L273 TraceCheckUtils]: 7: Hoare triple {498#true} assume !(#t~nondet5 != 0bv32);havoc #t~nondet5; {498#true} is VALID [2018-11-14 16:27:34,001 INFO L273 TraceCheckUtils]: 8: Hoare triple {498#true} ~bcki~0.base, ~bcki~0.offset := ~bucket~0.base, ~bucket~0.offset; {498#true} is VALID [2018-11-14 16:27:34,001 INFO L273 TraceCheckUtils]: 9: Hoare triple {498#true} assume true; {498#true} is VALID [2018-11-14 16:27:34,002 INFO L273 TraceCheckUtils]: 10: Hoare triple {498#true} assume !!(~bcki~0.base != 0bv32 || ~bcki~0.offset != 0bv32);call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);~item~0.base, ~item~0.offset := #t~mem16.base, #t~mem16.offset;havoc #t~mem16.base, #t~mem16.offset;call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32); {498#true} is VALID [2018-11-14 16:27:34,002 INFO L273 TraceCheckUtils]: 11: Hoare triple {498#true} assume true; {498#true} is VALID [2018-11-14 16:27:34,004 INFO L273 TraceCheckUtils]: 12: Hoare triple {498#true} assume !(~item~0.base != 0bv32 || ~item~0.offset != 0bv32); {539#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:27:34,004 INFO L273 TraceCheckUtils]: 13: Hoare triple {539#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} assume true; {539#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:27:34,006 INFO L273 TraceCheckUtils]: 14: Hoare triple {539#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} assume !(~item~0.base == 0bv32 && ~item~0.offset == 0bv32); {499#false} is VALID [2018-11-14 16:27:34,006 INFO L273 TraceCheckUtils]: 15: Hoare triple {499#false} assume !false; {499#false} is VALID [2018-11-14 16:27:34,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 16:27:34,007 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 16:27:34,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 16:27:34,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 16:27:34,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-14 16:27:34,012 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:27:34,012 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 16:27:34,046 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:27:34,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 16:27:34,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 16:27:34,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 16:27:34,047 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand 3 states. [2018-11-14 16:27:36,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:27:36,437 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2018-11-14 16:27:36,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 16:27:36,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-14 16:27:36,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:27:36,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 16:27:36,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 63 transitions. [2018-11-14 16:27:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 16:27:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 63 transitions. [2018-11-14 16:27:36,443 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 63 transitions. [2018-11-14 16:27:36,556 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:27:36,559 INFO L225 Difference]: With dead ends: 60 [2018-11-14 16:27:36,559 INFO L226 Difference]: Without dead ends: 58 [2018-11-14 16:27:36,560 INFO L604 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 [2018-11-14 16:27:36,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-14 16:27:36,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 53. [2018-11-14 16:27:36,592 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:27:36,592 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand 53 states. [2018-11-14 16:27:36,592 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 53 states. [2018-11-14 16:27:36,592 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 53 states. [2018-11-14 16:27:36,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:27:36,597 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2018-11-14 16:27:36,597 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2018-11-14 16:27:36,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:27:36,598 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:27:36,598 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 58 states. [2018-11-14 16:27:36,598 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 58 states. [2018-11-14 16:27:36,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:27:36,602 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2018-11-14 16:27:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2018-11-14 16:27:36,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:27:36,603 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:27:36,604 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:27:36,604 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:27:36,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-14 16:27:36,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2018-11-14 16:27:36,609 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 16 [2018-11-14 16:27:36,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:27:36,609 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2018-11-14 16:27:36,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-14 16:27:36,610 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2018-11-14 16:27:36,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-14 16:27:36,610 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:27:36,611 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 16:27:36,611 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:27:36,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:27:36,611 INFO L82 PathProgramCache]: Analyzing trace with hash 941976464, now seen corresponding path program 1 times [2018-11-14 16:27:36,614 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:27:36,614 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 16:27:36,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:27:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:27:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:27:36,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:27:44,155 WARN L179 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2018-11-14 16:27:44,532 INFO L303 Elim1Store]: Index analysis took 365 ms [2018-11-14 16:27:44,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 1 [2018-11-14 16:27:44,542 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-14 16:27:48,249 INFO L303 Elim1Store]: Index analysis took 1721 ms [2018-11-14 16:27:48,251 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 58 [2018-11-14 16:27:48,758 WARN L179 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-11-14 16:27:48,871 INFO L303 Elim1Store]: Index analysis took 111 ms [2018-11-14 16:27:48,872 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-14 16:27:49,007 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:27:49,555 INFO L303 Elim1Store]: Index analysis took 674 ms [2018-11-14 16:27:49,556 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 16 treesize of output 23 [2018-11-14 16:27:49,558 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-14 16:27:50,630 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:27:52,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 57 [2018-11-14 16:27:53,000 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 31 [2018-11-14 16:27:53,025 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:27:53,027 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 31 treesize of output 41 [2018-11-14 16:27:53,031 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-14 16:27:53,123 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:27:53,693 INFO L303 Elim1Store]: Index analysis took 119 ms [2018-11-14 16:27:53,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 51 [2018-11-14 16:27:53,745 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:27:53,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 40 [2018-11-14 16:27:53,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-11-14 16:27:53,881 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-14 16:27:54,006 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:27:54,120 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:27:54,395 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:27:55,026 INFO L303 Elim1Store]: Index analysis took 627 ms [2018-11-14 16:27:55,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 52 [2018-11-14 16:27:55,056 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-14 16:27:55,112 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:27:55,113 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 16 treesize of output 27 [2018-11-14 16:27:55,115 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-14 16:27:55,215 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:27:55,872 INFO L303 Elim1Store]: Index analysis took 376 ms [2018-11-14 16:27:55,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 67 [2018-11-14 16:27:55,937 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 62 [2018-11-14 16:27:55,965 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 14 treesize of output 15 [2018-11-14 16:27:55,996 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-14 16:27:56,158 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:27:56,661 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:27:56,666 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:27:56,666 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 16:27:56,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 60 [2018-11-14 16:27:56,729 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:27:56,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-11-14 16:27:56,771 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-14 16:27:56,868 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:27:57,320 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-14 16:27:57,633 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-14 16:27:58,606 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-14 16:27:59,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 58 [2018-11-14 16:27:59,611 WARN L179 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-11-14 16:27:59,625 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-14 16:27:59,662 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:27:59,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-14 16:27:59,691 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-14 16:27:59,804 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:00,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 52 [2018-11-14 16:28:00,197 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-14 16:28:00,223 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:00,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-14 16:28:00,232 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:00,253 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:00,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 65 [2018-11-14 16:28:00,457 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 58 [2018-11-14 16:28:00,469 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 14 treesize of output 15 [2018-11-14 16:28:00,470 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:00,511 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:00,642 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:00,645 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:00,646 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 16:28:00,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 58 [2018-11-14 16:28:00,669 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:00,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2018-11-14 16:28:00,682 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:00,713 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:00,788 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-14 16:28:00,891 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-14 16:28:00,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 57 [2018-11-14 16:28:00,935 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 31 [2018-11-14 16:28:00,952 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:00,958 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 31 treesize of output 37 [2018-11-14 16:28:00,962 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:00,989 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:01,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 47 [2018-11-14 16:28:01,087 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:01,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 36 [2018-11-14 16:28:01,165 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:01,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 41 [2018-11-14 16:28:01,211 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-11-14 16:28:01,341 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:01,344 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:01,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-11-14 16:28:01,347 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:01,412 INFO L267 ElimStorePlain]: Start of recursive call 35: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-14 16:28:01,486 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-14 16:28:01,599 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-14 16:28:01,741 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-14 16:28:02,132 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-11-14 16:28:02,132 INFO L202 ElimStorePlain]: Needed 37 recursive calls to eliminate 6 variables, input treesize:196, output treesize:636 [2018-11-14 16:28:04,162 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 16:28:05,163 WARN L179 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2018-11-14 16:28:06,173 WARN L179 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-11-14 16:28:06,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 77 [2018-11-14 16:28:06,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-14 16:28:06,609 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:06,646 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:06,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2018-11-14 16:28:06,670 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-14 16:28:06,702 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-14 16:28:07,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2018-11-14 16:28:07,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-14 16:28:07,108 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:07,132 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:07,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-11-14 16:28:07,138 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:07,150 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:07,455 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:07,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 89 [2018-11-14 16:28:07,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 33 [2018-11-14 16:28:07,614 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-14 16:28:07,710 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-14 16:28:07,999 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:08,012 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:08,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2018-11-14 16:28:08,046 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:08,048 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:08,052 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:08,079 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 41 [2018-11-14 16:28:08,091 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-14 16:28:08,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-14 16:28:08,118 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:08,130 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:08,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 72 [2018-11-14 16:28:08,347 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:08,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-11-14 16:28:08,350 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:08,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-14 16:28:08,380 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:08,399 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:08,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 141 [2018-11-14 16:28:08,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 103 [2018-11-14 16:28:08,864 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-14 16:28:09,306 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:09,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 107 [2018-11-14 16:28:09,312 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:09,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 109 [2018-11-14 16:28:09,660 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-14 16:28:10,058 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:10,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 103 [2018-11-14 16:28:10,063 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:10,379 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:10,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 87 [2018-11-14 16:28:10,386 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:10,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 69 [2018-11-14 16:28:10,656 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:10,988 INFO L267 ElimStorePlain]: Start of recursive call 16: 7 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-14 16:28:11,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 35 [2018-11-14 16:28:11,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 8 [2018-11-14 16:28:11,302 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:11,307 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:11,370 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 8 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:11,371 INFO L202 ElimStorePlain]: Needed 24 recursive calls to eliminate 13 variables, input treesize:461, output treesize:7 [2018-11-14 16:28:11,411 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 16:28:11,444 INFO L256 TraceCheckUtils]: 0: Hoare triple {799#true} call ULTIMATE.init(); {799#true} is VALID [2018-11-14 16:28:11,444 INFO L273 TraceCheckUtils]: 1: Hoare triple {799#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {799#true} is VALID [2018-11-14 16:28:11,444 INFO L273 TraceCheckUtils]: 2: Hoare triple {799#true} assume true; {799#true} is VALID [2018-11-14 16:28:11,445 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {799#true} {799#true} #195#return; {799#true} is VALID [2018-11-14 16:28:11,445 INFO L256 TraceCheckUtils]: 4: Hoare triple {799#true} call #t~ret21 := main(); {799#true} is VALID [2018-11-14 16:28:11,455 INFO L273 TraceCheckUtils]: 5: Hoare triple {799#true} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12bv32);~bucket~0.base, ~bucket~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~intINTTYPE4(0bv32, ~bucket~0.base, ~bvadd32(8bv32, ~bucket~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bucket~0.base, ~bvadd32(4bv32, ~bucket~0.offset), 4bv32);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc1.base, #t~malloc1.offset, ~bucket~0.base, ~bucket~0.offset, 4bv32);call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~bucket~0.base, ~bucket~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem2.base, #t~mem2.offset;havoc #t~mem2.base, #t~mem2.offset;call write~intINTTYPE4(1bv32, ~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~bcki~0.base, ~bcki~0.offset, 4bv32);call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~bcki~0.base, ~bcki~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem4.base, #t~mem4.offset;havoc #t~mem4.base, #t~mem4.offset;call write~intINTTYPE4(2bv32, ~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bcki~0.offset, 4bv32);~item~0.base, ~item~0.offset := 0bv32, 0bv32;~itr~0.base, ~itr~0.offset := 0bv32, 0bv32; {819#(or (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv0 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv0 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv4 32))) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv8 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv4 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv8 32)) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset) (exists ((v_prenex_3 (_ BitVec 32)) (v_prenex_2 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| v_prenex_2) v_prenex_3) main_~bucket~0.base) (= (select (select |#memory_$Pointer$.offset| v_prenex_2) v_prenex_3) (_ bv0 32)) (not (= v_prenex_2 main_~bucket~0.base))))))} is VALID [2018-11-14 16:28:11,456 INFO L273 TraceCheckUtils]: 6: Hoare triple {819#(or (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv0 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv0 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv4 32))) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv8 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv4 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv8 32)) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset) (exists ((v_prenex_3 (_ BitVec 32)) (v_prenex_2 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| v_prenex_2) v_prenex_3) main_~bucket~0.base) (= (select (select |#memory_$Pointer$.offset| v_prenex_2) v_prenex_3) (_ bv0 32)) (not (= v_prenex_2 main_~bucket~0.base))))))} assume true; {819#(or (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv0 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv0 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv4 32))) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv8 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv4 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv8 32)) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset) (exists ((v_prenex_3 (_ BitVec 32)) (v_prenex_2 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| v_prenex_2) v_prenex_3) main_~bucket~0.base) (= (select (select |#memory_$Pointer$.offset| v_prenex_2) v_prenex_3) (_ bv0 32)) (not (= v_prenex_2 main_~bucket~0.base))))))} is VALID [2018-11-14 16:28:11,459 INFO L273 TraceCheckUtils]: 7: Hoare triple {819#(or (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv0 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv0 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv4 32))) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv8 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv4 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv8 32)) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset) (exists ((v_prenex_3 (_ BitVec 32)) (v_prenex_2 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| v_prenex_2) v_prenex_3) main_~bucket~0.base) (= (select (select |#memory_$Pointer$.offset| v_prenex_2) v_prenex_3) (_ bv0 32)) (not (= v_prenex_2 main_~bucket~0.base))))))} assume !(#t~nondet5 != 0bv32);havoc #t~nondet5; {819#(or (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv0 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv0 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv4 32))) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv8 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv4 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv8 32)) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset) (exists ((v_prenex_3 (_ BitVec 32)) (v_prenex_2 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| v_prenex_2) v_prenex_3) main_~bucket~0.base) (= (select (select |#memory_$Pointer$.offset| v_prenex_2) v_prenex_3) (_ bv0 32)) (not (= v_prenex_2 main_~bucket~0.base))))))} is VALID [2018-11-14 16:28:11,465 INFO L273 TraceCheckUtils]: 8: Hoare triple {819#(or (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv0 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv0 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset))) (_ bv4 32))) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv8 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv4 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv8 32)) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset)) (and (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset) (exists ((v_prenex_3 (_ BitVec 32)) (v_prenex_2 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| v_prenex_2) v_prenex_3) main_~bucket~0.base) (= (select (select |#memory_$Pointer$.offset| v_prenex_2) v_prenex_3) (_ bv0 32)) (not (= v_prenex_2 main_~bucket~0.base))))))} ~bcki~0.base, ~bcki~0.offset := ~bucket~0.base, ~bucket~0.offset; {829#(or (and (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32)) (exists ((v_prenex_3 (_ BitVec 32)) (v_prenex_2 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| v_prenex_2) v_prenex_3) main_~bcki~0.base) (= (select (select |#memory_$Pointer$.base| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| v_prenex_2) v_prenex_3) (_ bv0 32)) (not (= main_~bcki~0.base v_prenex_2)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv4 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv8 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv8 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv0 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv4 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv0 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))))} is VALID [2018-11-14 16:28:11,466 INFO L273 TraceCheckUtils]: 9: Hoare triple {829#(or (and (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32)) (exists ((v_prenex_3 (_ BitVec 32)) (v_prenex_2 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| v_prenex_2) v_prenex_3) main_~bcki~0.base) (= (select (select |#memory_$Pointer$.base| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| v_prenex_2) v_prenex_3) (_ bv0 32)) (not (= main_~bcki~0.base v_prenex_2)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv4 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv8 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv8 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv0 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv4 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv0 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))))} assume true; {829#(or (and (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32)) (exists ((v_prenex_3 (_ BitVec 32)) (v_prenex_2 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| v_prenex_2) v_prenex_3) main_~bcki~0.base) (= (select (select |#memory_$Pointer$.base| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| v_prenex_2) v_prenex_3) (_ bv0 32)) (not (= main_~bcki~0.base v_prenex_2)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv4 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv8 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv8 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv0 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv4 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv0 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))))} is VALID [2018-11-14 16:28:11,471 INFO L273 TraceCheckUtils]: 10: Hoare triple {829#(or (and (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32)) (exists ((v_prenex_3 (_ BitVec 32)) (v_prenex_2 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| v_prenex_2) v_prenex_3) main_~bcki~0.base) (= (select (select |#memory_$Pointer$.base| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| v_prenex_2) (bvadd v_prenex_3 (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| v_prenex_2) v_prenex_3) (_ bv0 32)) (not (= main_~bcki~0.base v_prenex_2)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv4 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv8 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv8 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv0 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv4 32))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset))) (_ bv0 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32))))))} assume !!(~bcki~0.base != 0bv32 || ~bcki~0.offset != 0bv32);call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);~item~0.base, ~item~0.offset := #t~mem16.base, #t~mem16.offset;havoc #t~mem16.base, #t~mem16.offset;call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32); {836#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:28:11,471 INFO L273 TraceCheckUtils]: 11: Hoare triple {836#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} assume true; {836#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:28:11,472 INFO L273 TraceCheckUtils]: 12: Hoare triple {836#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} assume !!(~item~0.base != 0bv32 || ~item~0.offset != 0bv32);~itr~0.base, ~itr~0.offset := ~item~0.base, ~item~0.offset;call #t~mem17.base, #t~mem17.offset := read~$Pointer$(~item~0.base, ~item~0.offset, 4bv32);~item~0.base, ~item~0.offset := #t~mem17.base, #t~mem17.offset;havoc #t~mem17.base, #t~mem17.offset; {800#false} is VALID [2018-11-14 16:28:11,472 INFO L273 TraceCheckUtils]: 13: Hoare triple {800#false} assume true;call #t~mem18 := read~intINTTYPE4(~itr~0.base, ~bvadd32(4bv32, ~itr~0.offset), 4bv32);call #t~mem19 := read~intINTTYPE4(~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32); {800#false} is VALID [2018-11-14 16:28:11,473 INFO L273 TraceCheckUtils]: 14: Hoare triple {800#false} assume !(#t~mem18 == #t~mem19);havoc #t~mem18;havoc #t~mem19; {800#false} is VALID [2018-11-14 16:28:11,473 INFO L273 TraceCheckUtils]: 15: Hoare triple {800#false} assume !false; {800#false} is VALID [2018-11-14 16:28:11,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 16:28:11,477 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 16:28:11,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 16:28:11,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-14 16:28:11,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-14 16:28:11,488 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:28:11,488 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-14 16:28:11,573 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:28:11,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-14 16:28:11,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-14 16:28:11,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-14 16:28:11,575 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand 5 states. [2018-11-14 16:28:13,671 WARN L179 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 140 [2018-11-14 16:28:17,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:28:17,454 INFO L93 Difference]: Finished difference Result 80 states and 91 transitions. [2018-11-14 16:28:17,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-14 16:28:17,454 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-14 16:28:17,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:28:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 16:28:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2018-11-14 16:28:17,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 16:28:17,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2018-11-14 16:28:17,459 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 85 transitions. [2018-11-14 16:28:19,732 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 84 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2018-11-14 16:28:19,735 INFO L225 Difference]: With dead ends: 80 [2018-11-14 16:28:19,735 INFO L226 Difference]: Without dead ends: 66 [2018-11-14 16:28:19,736 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-14 16:28:19,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-11-14 16:28:19,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 60. [2018-11-14 16:28:19,986 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:28:19,986 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand 60 states. [2018-11-14 16:28:19,986 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 60 states. [2018-11-14 16:28:19,986 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 60 states. [2018-11-14 16:28:19,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:28:19,991 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2018-11-14 16:28:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2018-11-14 16:28:19,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:28:19,992 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:28:19,992 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 66 states. [2018-11-14 16:28:19,992 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 66 states. [2018-11-14 16:28:19,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:28:19,995 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2018-11-14 16:28:19,995 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2018-11-14 16:28:19,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:28:19,996 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:28:19,997 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:28:19,997 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:28:19,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-14 16:28:19,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2018-11-14 16:28:20,000 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 16 [2018-11-14 16:28:20,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:28:20,000 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2018-11-14 16:28:20,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-14 16:28:20,000 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2018-11-14 16:28:20,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-14 16:28:20,001 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:28:20,001 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 16:28:20,002 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:28:20,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:28:20,002 INFO L82 PathProgramCache]: Analyzing trace with hash -920116162, now seen corresponding path program 1 times [2018-11-14 16:28:20,002 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:28:20,003 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 16:28:20,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:28:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:28:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:28:20,081 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:28:20,190 INFO L256 TraceCheckUtils]: 0: Hoare triple {1155#true} call ULTIMATE.init(); {1155#true} is VALID [2018-11-14 16:28:20,190 INFO L273 TraceCheckUtils]: 1: Hoare triple {1155#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1155#true} is VALID [2018-11-14 16:28:20,191 INFO L273 TraceCheckUtils]: 2: Hoare triple {1155#true} assume true; {1155#true} is VALID [2018-11-14 16:28:20,191 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1155#true} {1155#true} #195#return; {1155#true} is VALID [2018-11-14 16:28:20,192 INFO L256 TraceCheckUtils]: 4: Hoare triple {1155#true} call #t~ret21 := main(); {1155#true} is VALID [2018-11-14 16:28:20,192 INFO L273 TraceCheckUtils]: 5: Hoare triple {1155#true} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12bv32);~bucket~0.base, ~bucket~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~intINTTYPE4(0bv32, ~bucket~0.base, ~bvadd32(8bv32, ~bucket~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bucket~0.base, ~bvadd32(4bv32, ~bucket~0.offset), 4bv32);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc1.base, #t~malloc1.offset, ~bucket~0.base, ~bucket~0.offset, 4bv32);call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~bucket~0.base, ~bucket~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem2.base, #t~mem2.offset;havoc #t~mem2.base, #t~mem2.offset;call write~intINTTYPE4(1bv32, ~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~bcki~0.base, ~bcki~0.offset, 4bv32);call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~bcki~0.base, ~bcki~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem4.base, #t~mem4.offset;havoc #t~mem4.base, #t~mem4.offset;call write~intINTTYPE4(2bv32, ~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bcki~0.offset, 4bv32);~item~0.base, ~item~0.offset := 0bv32, 0bv32;~itr~0.base, ~itr~0.offset := 0bv32, 0bv32; {1155#true} is VALID [2018-11-14 16:28:20,192 INFO L273 TraceCheckUtils]: 6: Hoare triple {1155#true} assume true; {1155#true} is VALID [2018-11-14 16:28:20,197 INFO L273 TraceCheckUtils]: 7: Hoare triple {1155#true} assume !!(#t~nondet5 != 0bv32);havoc #t~nondet5;call #t~malloc6.base, #t~malloc6.offset := #Ultimate.alloc(8bv32);~item~0.base, ~item~0.offset := #t~malloc6.base, #t~malloc6.offset;call write~$Pointer$(0bv32, 0bv32, ~item~0.base, ~item~0.offset, 4bv32); {1181#(not (= main_~item~0.base (_ bv0 32)))} is VALID [2018-11-14 16:28:20,197 INFO L273 TraceCheckUtils]: 8: Hoare triple {1181#(not (= main_~item~0.base (_ bv0 32)))} assume #t~nondet7 != 0bv32;havoc #t~nondet7;call write~intINTTYPE4(0bv32, ~item~0.base, ~bvadd32(4bv32, ~item~0.offset), 4bv32); {1181#(not (= main_~item~0.base (_ bv0 32)))} is VALID [2018-11-14 16:28:20,198 INFO L273 TraceCheckUtils]: 9: Hoare triple {1181#(not (= main_~item~0.base (_ bv0 32)))} ~bcki~0.base, ~bcki~0.offset := ~bucket~0.base, ~bucket~0.offset; {1181#(not (= main_~item~0.base (_ bv0 32)))} is VALID [2018-11-14 16:28:20,198 INFO L273 TraceCheckUtils]: 10: Hoare triple {1181#(not (= main_~item~0.base (_ bv0 32)))} assume true; {1181#(not (= main_~item~0.base (_ bv0 32)))} is VALID [2018-11-14 16:28:20,198 INFO L273 TraceCheckUtils]: 11: Hoare triple {1181#(not (= main_~item~0.base (_ bv0 32)))} assume !!(~bcki~0.base != 0bv32 || ~bcki~0.offset != 0bv32); {1181#(not (= main_~item~0.base (_ bv0 32)))} is VALID [2018-11-14 16:28:20,199 INFO L273 TraceCheckUtils]: 12: Hoare triple {1181#(not (= main_~item~0.base (_ bv0 32)))} assume true; {1181#(not (= main_~item~0.base (_ bv0 32)))} is VALID [2018-11-14 16:28:20,199 INFO L273 TraceCheckUtils]: 13: Hoare triple {1181#(not (= main_~item~0.base (_ bv0 32)))} assume true; {1181#(not (= main_~item~0.base (_ bv0 32)))} is VALID [2018-11-14 16:28:20,200 INFO L273 TraceCheckUtils]: 14: Hoare triple {1181#(not (= main_~item~0.base (_ bv0 32)))} assume !(~item~0.base != 0bv32 || ~item~0.offset != 0bv32); {1156#false} is VALID [2018-11-14 16:28:20,200 INFO L273 TraceCheckUtils]: 15: Hoare triple {1156#false} assume !false; {1156#false} is VALID [2018-11-14 16:28:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 16:28:20,200 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 16:28:20,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 16:28:20,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 16:28:20,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-14 16:28:20,203 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:28:20,204 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 16:28:20,227 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:28:20,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 16:28:20,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 16:28:20,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 16:28:20,228 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand 3 states. [2018-11-14 16:28:22,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:28:22,736 INFO L93 Difference]: Finished difference Result 62 states and 71 transitions. [2018-11-14 16:28:22,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 16:28:22,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-14 16:28:22,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:28:22,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 16:28:22,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2018-11-14 16:28:22,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 16:28:22,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2018-11-14 16:28:22,740 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 61 transitions. [2018-11-14 16:28:22,819 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:28:22,821 INFO L225 Difference]: With dead ends: 62 [2018-11-14 16:28:22,821 INFO L226 Difference]: Without dead ends: 60 [2018-11-14 16:28:22,822 INFO L604 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 [2018-11-14 16:28:22,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-14 16:28:23,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2018-11-14 16:28:23,079 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:28:23,079 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand 58 states. [2018-11-14 16:28:23,079 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 58 states. [2018-11-14 16:28:23,079 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 58 states. [2018-11-14 16:28:23,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:28:23,083 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2018-11-14 16:28:23,083 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2018-11-14 16:28:23,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:28:23,084 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:28:23,084 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 60 states. [2018-11-14 16:28:23,084 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 60 states. [2018-11-14 16:28:23,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:28:23,087 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2018-11-14 16:28:23,087 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2018-11-14 16:28:23,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:28:23,088 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:28:23,088 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:28:23,088 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:28:23,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-14 16:28:23,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2018-11-14 16:28:23,091 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 16 [2018-11-14 16:28:23,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:28:23,091 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2018-11-14 16:28:23,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-14 16:28:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2018-11-14 16:28:23,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-14 16:28:23,092 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:28:23,092 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 16:28:23,093 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:28:23,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:28:23,093 INFO L82 PathProgramCache]: Analyzing trace with hash -2041219591, now seen corresponding path program 1 times [2018-11-14 16:28:23,093 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:28:23,093 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 16:28:23,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:28:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:28:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:28:23,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:28:27,284 WARN L179 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 75 DAG size of output: 53 [2018-11-14 16:28:27,359 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:27,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-11-14 16:28:27,482 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:27,535 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:27,536 INFO L303 Elim1Store]: Index analysis took 134 ms [2018-11-14 16:28:27,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2018-11-14 16:28:27,544 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:27,915 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:29,072 INFO L303 Elim1Store]: Index analysis took 258 ms [2018-11-14 16:28:29,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 56 [2018-11-14 16:28:29,419 WARN L179 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-11-14 16:28:29,465 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-14 16:28:29,507 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:29,509 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 16 treesize of output 23 [2018-11-14 16:28:29,512 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:29,798 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:30,498 INFO L303 Elim1Store]: Index analysis took 321 ms [2018-11-14 16:28:30,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 56 [2018-11-14 16:28:30,518 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-11-14 16:28:30,561 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 14 treesize of output 15 [2018-11-14 16:28:30,583 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:30,658 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:31,000 INFO L303 Elim1Store]: Index analysis took 162 ms [2018-11-14 16:28:31,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 56 [2018-11-14 16:28:31,013 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-14 16:28:31,031 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:31,032 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 16 treesize of output 23 [2018-11-14 16:28:31,039 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:31,081 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:31,180 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:31,262 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:31,340 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:31,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 56 [2018-11-14 16:28:32,020 WARN L179 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-11-14 16:28:32,030 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-14 16:28:32,043 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:32,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-14 16:28:32,052 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:32,087 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:32,224 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:32,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 68 [2018-11-14 16:28:32,251 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-11-14 16:28:32,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2018-11-14 16:28:32,288 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:32,309 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:32,367 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:32,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 64 [2018-11-14 16:28:32,410 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-14 16:28:32,431 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:32,433 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 16 treesize of output 23 [2018-11-14 16:28:32,435 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:32,452 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:32,505 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:32,541 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:32,576 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:32,683 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-14 16:28:32,684 INFO L202 ElimStorePlain]: Needed 21 recursive calls to eliminate 7 variables, input treesize:203, output treesize:143 [2018-11-14 16:28:34,136 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 16:28:34,496 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:34,544 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 16:28:34,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 102 [2018-11-14 16:28:34,559 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:34,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 26 [2018-11-14 16:28:34,562 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:34,610 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:34,738 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:34,761 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:34,765 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:34,765 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 16:28:34,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 127 [2018-11-14 16:28:34,815 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:34,818 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:34,858 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 175 [2018-11-14 16:28:34,862 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-14 16:28:34,960 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-14 16:28:35,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-14 16:28:35,053 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:169, output treesize:159 [2018-11-14 16:28:35,396 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:35,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 88 [2018-11-14 16:28:35,425 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:35,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-11-14 16:28:35,428 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:35,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 17 [2018-11-14 16:28:35,479 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:35,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 11 treesize of output 3 [2018-11-14 16:28:35,512 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:35,529 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:35,602 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:35,609 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:35,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 62 [2018-11-14 16:28:35,626 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:35,657 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 29 [2018-11-14 16:28:35,669 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:35,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 8 [2018-11-14 16:28:35,705 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:35,723 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:35,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-11-14 16:28:35,726 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:35,730 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:35,736 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:35,736 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:170, output treesize:7 [2018-11-14 16:28:35,751 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 16:28:35,782 INFO L256 TraceCheckUtils]: 0: Hoare triple {1472#true} call ULTIMATE.init(); {1472#true} is VALID [2018-11-14 16:28:35,783 INFO L273 TraceCheckUtils]: 1: Hoare triple {1472#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1472#true} is VALID [2018-11-14 16:28:35,783 INFO L273 TraceCheckUtils]: 2: Hoare triple {1472#true} assume true; {1472#true} is VALID [2018-11-14 16:28:35,784 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1472#true} {1472#true} #195#return; {1472#true} is VALID [2018-11-14 16:28:35,784 INFO L256 TraceCheckUtils]: 4: Hoare triple {1472#true} call #t~ret21 := main(); {1472#true} is VALID [2018-11-14 16:28:35,792 INFO L273 TraceCheckUtils]: 5: Hoare triple {1472#true} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12bv32);~bucket~0.base, ~bucket~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~intINTTYPE4(0bv32, ~bucket~0.base, ~bvadd32(8bv32, ~bucket~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bucket~0.base, ~bvadd32(4bv32, ~bucket~0.offset), 4bv32);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc1.base, #t~malloc1.offset, ~bucket~0.base, ~bucket~0.offset, 4bv32);call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~bucket~0.base, ~bucket~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem2.base, #t~mem2.offset;havoc #t~mem2.base, #t~mem2.offset;call write~intINTTYPE4(1bv32, ~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~bcki~0.base, ~bcki~0.offset, 4bv32);call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~bcki~0.base, ~bcki~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem4.base, #t~mem4.offset;havoc #t~mem4.base, #t~mem4.offset;call write~intINTTYPE4(2bv32, ~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bcki~0.offset, 4bv32);~item~0.base, ~item~0.offset := 0bv32, 0bv32;~itr~0.base, ~itr~0.offset := 0bv32, 0bv32; {1492#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32))) (exists ((main_~bcki~0.offset (_ BitVec 32))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) main_~bcki~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (bvadd main_~bcki~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) main_~bcki~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset) (not (= main_~bucket~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)))))} is VALID [2018-11-14 16:28:35,793 INFO L273 TraceCheckUtils]: 6: Hoare triple {1492#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32))) (exists ((main_~bcki~0.offset (_ BitVec 32))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) main_~bcki~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (bvadd main_~bcki~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) main_~bcki~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset) (not (= main_~bucket~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)))))} assume true; {1492#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32))) (exists ((main_~bcki~0.offset (_ BitVec 32))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) main_~bcki~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (bvadd main_~bcki~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) main_~bcki~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset) (not (= main_~bucket~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)))))} is VALID [2018-11-14 16:28:35,795 INFO L273 TraceCheckUtils]: 7: Hoare triple {1492#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32))) (exists ((main_~bcki~0.offset (_ BitVec 32))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) main_~bcki~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (bvadd main_~bcki~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) main_~bcki~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset) (not (= main_~bucket~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)))))} assume !(#t~nondet5 != 0bv32);havoc #t~nondet5; {1492#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32))) (exists ((main_~bcki~0.offset (_ BitVec 32))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) main_~bcki~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (bvadd main_~bcki~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) main_~bcki~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset) (not (= main_~bucket~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)))))} is VALID [2018-11-14 16:28:35,800 INFO L273 TraceCheckUtils]: 8: Hoare triple {1492#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bucket~0.base) main_~bucket~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv4 32))) (exists ((main_~bcki~0.offset (_ BitVec 32))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) main_~bcki~0.offset)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) (bvadd main_~bcki~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32))) main_~bcki~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset) (not (= main_~bucket~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv0 32)))))} ~bcki~0.base, ~bcki~0.offset := ~bucket~0.base, ~bucket~0.offset; {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} is VALID [2018-11-14 16:28:35,803 INFO L273 TraceCheckUtils]: 9: Hoare triple {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} assume true; {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} is VALID [2018-11-14 16:28:35,811 INFO L273 TraceCheckUtils]: 10: Hoare triple {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} assume !!(~bcki~0.base != 0bv32 || ~bcki~0.offset != 0bv32);call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);~item~0.base, ~item~0.offset := #t~mem16.base, #t~mem16.offset;havoc #t~mem16.base, #t~mem16.offset;call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32); {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} is VALID [2018-11-14 16:28:35,814 INFO L273 TraceCheckUtils]: 11: Hoare triple {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} assume true; {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} is VALID [2018-11-14 16:28:35,817 INFO L273 TraceCheckUtils]: 12: Hoare triple {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} assume !(~item~0.base != 0bv32 || ~item~0.offset != 0bv32); {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} is VALID [2018-11-14 16:28:35,819 INFO L273 TraceCheckUtils]: 13: Hoare triple {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} assume true; {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} is VALID [2018-11-14 16:28:35,821 INFO L273 TraceCheckUtils]: 14: Hoare triple {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} assume !!(~item~0.base == 0bv32 && ~item~0.offset == 0bv32); {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} is VALID [2018-11-14 16:28:35,824 INFO L273 TraceCheckUtils]: 15: Hoare triple {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} assume true; {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} is VALID [2018-11-14 16:28:35,830 INFO L273 TraceCheckUtils]: 16: Hoare triple {1502#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)) main_~bcki~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv0 32))) v_subst_1) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (_ bv4 32))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset)) (= (_ bv0 32) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} ~bucket~0.base, ~bucket~0.offset := ~bcki~0.base, ~bcki~0.offset;call #t~mem20.base, #t~mem20.offset := read~$Pointer$(~bcki~0.base, ~bcki~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem20.base, #t~mem20.offset;havoc #t~mem20.base, #t~mem20.offset;call ULTIMATE.dealloc(~bucket~0.base, ~bucket~0.offset);~bucket~0.base, ~bucket~0.offset := 0bv32, 0bv32; {1527#(exists ((v_subst_1 (_ BitVec 32)) (v_main_~bcki~0.base_20 (_ BitVec 32))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32)) main_~bcki~0.base) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv4 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| v_main_~bcki~0.base_20) (_ bv0 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv4 32)) (_ bv0 32)) (not (= v_main_~bcki~0.base_20 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| v_main_~bcki~0.base_20) (_ bv4 32))) (not (= (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| v_main_~bcki~0.base_20) (_ bv0 32)) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) v_subst_1))))} is VALID [2018-11-14 16:28:35,831 INFO L273 TraceCheckUtils]: 17: Hoare triple {1527#(exists ((v_subst_1 (_ BitVec 32)) (v_main_~bcki~0.base_20 (_ BitVec 32))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32)) main_~bcki~0.base) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv4 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| v_main_~bcki~0.base_20) (_ bv0 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv4 32)) (_ bv0 32)) (not (= v_main_~bcki~0.base_20 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| v_main_~bcki~0.base_20) (_ bv4 32))) (not (= (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| v_main_~bcki~0.base_20) (_ bv0 32)) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) v_subst_1))))} assume true; {1527#(exists ((v_subst_1 (_ BitVec 32)) (v_main_~bcki~0.base_20 (_ BitVec 32))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32)) main_~bcki~0.base) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv4 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| v_main_~bcki~0.base_20) (_ bv0 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv4 32)) (_ bv0 32)) (not (= v_main_~bcki~0.base_20 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| v_main_~bcki~0.base_20) (_ bv4 32))) (not (= (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| v_main_~bcki~0.base_20) (_ bv0 32)) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) v_subst_1))))} is VALID [2018-11-14 16:28:35,835 INFO L273 TraceCheckUtils]: 18: Hoare triple {1527#(exists ((v_subst_1 (_ BitVec 32)) (v_main_~bcki~0.base_20 (_ BitVec 32))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32)))) (= (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32)) main_~bcki~0.base) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv4 32))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv4 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| v_main_~bcki~0.base_20) (_ bv0 32)) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv4 32)) (_ bv0 32)) (not (= v_main_~bcki~0.base_20 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| v_main_~bcki~0.base_20) (_ bv4 32))) (not (= (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) v_subst_1)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) (bvadd v_subst_1 (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| v_main_~bcki~0.base_20) (_ bv0 32)) main_~bcki~0.offset) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~bcki~0.base_20) (_ bv0 32))) (_ bv0 32))) v_subst_1))))} assume !!(~bcki~0.base != 0bv32 || ~bcki~0.offset != 0bv32);call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);~item~0.base, ~item~0.offset := #t~mem16.base, #t~mem16.offset;havoc #t~mem16.base, #t~mem16.offset;call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32); {1534#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:28:35,836 INFO L273 TraceCheckUtils]: 19: Hoare triple {1534#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} assume true; {1534#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:28:35,837 INFO L273 TraceCheckUtils]: 20: Hoare triple {1534#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} assume !!(~item~0.base != 0bv32 || ~item~0.offset != 0bv32);~itr~0.base, ~itr~0.offset := ~item~0.base, ~item~0.offset;call #t~mem17.base, #t~mem17.offset := read~$Pointer$(~item~0.base, ~item~0.offset, 4bv32);~item~0.base, ~item~0.offset := #t~mem17.base, #t~mem17.offset;havoc #t~mem17.base, #t~mem17.offset; {1473#false} is VALID [2018-11-14 16:28:35,837 INFO L273 TraceCheckUtils]: 21: Hoare triple {1473#false} assume true;call #t~mem18 := read~intINTTYPE4(~itr~0.base, ~bvadd32(4bv32, ~itr~0.offset), 4bv32);call #t~mem19 := read~intINTTYPE4(~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32); {1473#false} is VALID [2018-11-14 16:28:35,837 INFO L273 TraceCheckUtils]: 22: Hoare triple {1473#false} assume !(#t~mem18 == #t~mem19);havoc #t~mem18;havoc #t~mem19; {1473#false} is VALID [2018-11-14 16:28:35,837 INFO L273 TraceCheckUtils]: 23: Hoare triple {1473#false} assume !false; {1473#false} is VALID [2018-11-14 16:28:35,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 16:28:35,845 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-14 16:28:38,629 INFO L273 TraceCheckUtils]: 23: Hoare triple {1473#false} assume !false; {1473#false} is VALID [2018-11-14 16:28:38,630 INFO L273 TraceCheckUtils]: 22: Hoare triple {1473#false} assume !(#t~mem18 == #t~mem19);havoc #t~mem18;havoc #t~mem19; {1473#false} is VALID [2018-11-14 16:28:38,630 INFO L273 TraceCheckUtils]: 21: Hoare triple {1473#false} assume true;call #t~mem18 := read~intINTTYPE4(~itr~0.base, ~bvadd32(4bv32, ~itr~0.offset), 4bv32);call #t~mem19 := read~intINTTYPE4(~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32); {1473#false} is VALID [2018-11-14 16:28:38,631 INFO L273 TraceCheckUtils]: 20: Hoare triple {1534#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} assume !!(~item~0.base != 0bv32 || ~item~0.offset != 0bv32);~itr~0.base, ~itr~0.offset := ~item~0.base, ~item~0.offset;call #t~mem17.base, #t~mem17.offset := read~$Pointer$(~item~0.base, ~item~0.offset, 4bv32);~item~0.base, ~item~0.offset := #t~mem17.base, #t~mem17.offset;havoc #t~mem17.base, #t~mem17.offset; {1473#false} is VALID [2018-11-14 16:28:38,631 INFO L273 TraceCheckUtils]: 19: Hoare triple {1534#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} assume true; {1534#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:28:38,633 INFO L273 TraceCheckUtils]: 18: Hoare triple {1565#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} assume !!(~bcki~0.base != 0bv32 || ~bcki~0.offset != 0bv32);call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);~item~0.base, ~item~0.offset := #t~mem16.base, #t~mem16.offset;havoc #t~mem16.base, #t~mem16.offset;call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32); {1534#(and (= main_~item~0.base (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:28:38,633 INFO L273 TraceCheckUtils]: 17: Hoare triple {1565#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} assume true; {1565#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} is VALID [2018-11-14 16:28:38,774 INFO L273 TraceCheckUtils]: 16: Hoare triple {1572#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)))} ~bucket~0.base, ~bucket~0.offset := ~bcki~0.base, ~bcki~0.offset;call #t~mem20.base, #t~mem20.offset := read~$Pointer$(~bcki~0.base, ~bcki~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem20.base, #t~mem20.offset;havoc #t~mem20.base, #t~mem20.offset;call ULTIMATE.dealloc(~bucket~0.base, ~bucket~0.offset);~bucket~0.base, ~bucket~0.offset := 0bv32, 0bv32; {1565#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))))} is VALID [2018-11-14 16:28:38,775 INFO L273 TraceCheckUtils]: 15: Hoare triple {1572#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)))} assume true; {1572#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)))} is VALID [2018-11-14 16:28:38,776 INFO L273 TraceCheckUtils]: 14: Hoare triple {1572#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)))} assume !!(~item~0.base == 0bv32 && ~item~0.offset == 0bv32); {1572#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)))} is VALID [2018-11-14 16:28:38,783 INFO L273 TraceCheckUtils]: 13: Hoare triple {1572#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)))} assume true; {1572#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)))} is VALID [2018-11-14 16:28:38,784 INFO L273 TraceCheckUtils]: 12: Hoare triple {1572#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)))} assume !(~item~0.base != 0bv32 || ~item~0.offset != 0bv32); {1572#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)))} is VALID [2018-11-14 16:28:38,785 INFO L273 TraceCheckUtils]: 11: Hoare triple {1572#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)))} assume true; {1572#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)))} is VALID [2018-11-14 16:28:38,953 INFO L273 TraceCheckUtils]: 10: Hoare triple {1591#(and (= (_ bv0 32) (select (select (store |#memory_$Pointer$.base| main_~bcki~0.base (store (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset) (_ bv4 32)))) (= (_ bv0 32) (select (select (store |#memory_$Pointer$.offset| main_~bcki~0.base (store (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset) (_ bv4 32)))))} assume !!(~bcki~0.base != 0bv32 || ~bcki~0.offset != 0bv32);call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);~item~0.base, ~item~0.offset := #t~mem16.base, #t~mem16.offset;havoc #t~mem16.base, #t~mem16.offset;call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32); {1572#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd (select (select |#memory_$Pointer$.offset| main_~bcki~0.base) main_~bcki~0.offset) (_ bv4 32))) (_ bv0 32)))} is VALID [2018-11-14 16:28:38,954 INFO L273 TraceCheckUtils]: 9: Hoare triple {1591#(and (= (_ bv0 32) (select (select (store |#memory_$Pointer$.base| main_~bcki~0.base (store (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset) (_ bv4 32)))) (= (_ bv0 32) (select (select (store |#memory_$Pointer$.offset| main_~bcki~0.base (store (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset) (_ bv4 32)))))} assume true; {1591#(and (= (_ bv0 32) (select (select (store |#memory_$Pointer$.base| main_~bcki~0.base (store (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset) (_ bv4 32)))) (= (_ bv0 32) (select (select (store |#memory_$Pointer$.offset| main_~bcki~0.base (store (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset) (_ bv4 32)))))} is VALID [2018-11-14 16:28:38,956 INFO L273 TraceCheckUtils]: 8: Hoare triple {1598#(and (= (_ bv0 32) (select (select (store |#memory_$Pointer$.base| main_~bucket~0.base (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset) (_ bv4 32)))) (= (_ bv0 32) (select (select (store |#memory_$Pointer$.offset| main_~bucket~0.base (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset) (_ bv4 32)))))} ~bcki~0.base, ~bcki~0.offset := ~bucket~0.base, ~bucket~0.offset; {1591#(and (= (_ bv0 32) (select (select (store |#memory_$Pointer$.base| main_~bcki~0.base (store (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset) (_ bv4 32)))) (= (_ bv0 32) (select (select (store |#memory_$Pointer$.offset| main_~bcki~0.base (store (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)) (_ bv0 32)) main_~bcki~0.offset) (_ bv4 32)))))} is VALID [2018-11-14 16:28:38,957 INFO L273 TraceCheckUtils]: 7: Hoare triple {1598#(and (= (_ bv0 32) (select (select (store |#memory_$Pointer$.base| main_~bucket~0.base (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset) (_ bv4 32)))) (= (_ bv0 32) (select (select (store |#memory_$Pointer$.offset| main_~bucket~0.base (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset) (_ bv4 32)))))} assume !(#t~nondet5 != 0bv32);havoc #t~nondet5; {1598#(and (= (_ bv0 32) (select (select (store |#memory_$Pointer$.base| main_~bucket~0.base (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset) (_ bv4 32)))) (= (_ bv0 32) (select (select (store |#memory_$Pointer$.offset| main_~bucket~0.base (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset) (_ bv4 32)))))} is VALID [2018-11-14 16:28:38,958 INFO L273 TraceCheckUtils]: 6: Hoare triple {1598#(and (= (_ bv0 32) (select (select (store |#memory_$Pointer$.base| main_~bucket~0.base (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset) (_ bv4 32)))) (= (_ bv0 32) (select (select (store |#memory_$Pointer$.offset| main_~bucket~0.base (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset) (_ bv4 32)))))} assume true; {1598#(and (= (_ bv0 32) (select (select (store |#memory_$Pointer$.base| main_~bucket~0.base (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset) (_ bv4 32)))) (= (_ bv0 32) (select (select (store |#memory_$Pointer$.offset| main_~bucket~0.base (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset) (_ bv4 32)))))} is VALID [2018-11-14 16:28:38,966 INFO L273 TraceCheckUtils]: 5: Hoare triple {1472#true} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12bv32);~bucket~0.base, ~bucket~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~intINTTYPE4(0bv32, ~bucket~0.base, ~bvadd32(8bv32, ~bucket~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bucket~0.base, ~bvadd32(4bv32, ~bucket~0.offset), 4bv32);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc1.base, #t~malloc1.offset, ~bucket~0.base, ~bucket~0.offset, 4bv32);call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~bucket~0.base, ~bucket~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem2.base, #t~mem2.offset;havoc #t~mem2.base, #t~mem2.offset;call write~intINTTYPE4(1bv32, ~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~bcki~0.base, ~bcki~0.offset, 4bv32);call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~bcki~0.base, ~bcki~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem4.base, #t~mem4.offset;havoc #t~mem4.base, #t~mem4.offset;call write~intINTTYPE4(2bv32, ~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bcki~0.offset, 4bv32);~item~0.base, ~item~0.offset := 0bv32, 0bv32;~itr~0.base, ~itr~0.offset := 0bv32, 0bv32; {1598#(and (= (_ bv0 32) (select (select (store |#memory_$Pointer$.base| main_~bucket~0.base (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset) (_ bv4 32)))) (= (_ bv0 32) (select (select (store |#memory_$Pointer$.offset| main_~bucket~0.base (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32))) (select (store (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) main_~bucket~0.offset) (_ bv4 32)))))} is VALID [2018-11-14 16:28:38,966 INFO L256 TraceCheckUtils]: 4: Hoare triple {1472#true} call #t~ret21 := main(); {1472#true} is VALID [2018-11-14 16:28:38,966 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1472#true} {1472#true} #195#return; {1472#true} is VALID [2018-11-14 16:28:38,967 INFO L273 TraceCheckUtils]: 2: Hoare triple {1472#true} assume true; {1472#true} is VALID [2018-11-14 16:28:38,967 INFO L273 TraceCheckUtils]: 1: Hoare triple {1472#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1472#true} is VALID [2018-11-14 16:28:38,967 INFO L256 TraceCheckUtils]: 0: Hoare triple {1472#true} call ULTIMATE.init(); {1472#true} is VALID [2018-11-14 16:28:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 16:28:38,973 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 16:28:38,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2018-11-14 16:28:38,973 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2018-11-14 16:28:38,973 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:28:38,974 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2018-11-14 16:28:39,237 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:28:39,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-14 16:28:39,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-14 16:28:39,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-14 16:28:39,238 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand 10 states. [2018-11-14 16:28:45,947 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-11-14 16:28:46,646 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-11-14 16:28:49,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:28:49,447 INFO L93 Difference]: Finished difference Result 89 states and 102 transitions. [2018-11-14 16:28:49,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-14 16:28:49,447 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2018-11-14 16:28:49,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:28:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-14 16:28:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 96 transitions. [2018-11-14 16:28:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-14 16:28:49,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 96 transitions. [2018-11-14 16:28:49,454 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 96 transitions. [2018-11-14 16:28:49,732 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 96 edges. 96 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:28:49,734 INFO L225 Difference]: With dead ends: 89 [2018-11-14 16:28:49,734 INFO L226 Difference]: Without dead ends: 75 [2018-11-14 16:28:49,735 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2018-11-14 16:28:49,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-11-14 16:28:49,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 66. [2018-11-14 16:28:49,945 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:28:49,945 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 66 states. [2018-11-14 16:28:49,945 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 66 states. [2018-11-14 16:28:49,945 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 66 states. [2018-11-14 16:28:49,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:28:49,948 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2018-11-14 16:28:49,948 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2018-11-14 16:28:49,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:28:49,949 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:28:49,949 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 75 states. [2018-11-14 16:28:49,949 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 75 states. [2018-11-14 16:28:49,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:28:49,952 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2018-11-14 16:28:49,952 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2018-11-14 16:28:49,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:28:49,952 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:28:49,952 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:28:49,952 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:28:49,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-14 16:28:49,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 75 transitions. [2018-11-14 16:28:49,955 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 75 transitions. Word has length 24 [2018-11-14 16:28:49,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:28:49,955 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 75 transitions. [2018-11-14 16:28:49,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-14 16:28:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2018-11-14 16:28:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-14 16:28:49,956 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:28:49,956 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 16:28:49,957 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:28:49,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:28:49,957 INFO L82 PathProgramCache]: Analyzing trace with hash -558259247, now seen corresponding path program 1 times [2018-11-14 16:28:49,957 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:28:49,957 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 16:28:49,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:28:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:28:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:28:50,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:28:55,217 WARN L179 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2018-11-14 16:28:55,291 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:55,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 38 [2018-11-14 16:28:55,488 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:55,514 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:28:55,515 INFO L303 Elim1Store]: Index analysis took 141 ms [2018-11-14 16:28:55,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 42 [2018-11-14 16:28:55,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-11-14 16:28:55,582 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:56,249 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:57,443 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:28:59,143 INFO L303 Elim1Store]: Index analysis took 126 ms [2018-11-14 16:28:59,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 44 [2018-11-14 16:28:59,173 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 10 treesize of output 9 [2018-11-14 16:28:59,175 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-14 16:28:59,599 INFO L303 Elim1Store]: Index analysis took 231 ms [2018-11-14 16:28:59,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-11-14 16:28:59,622 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 10 treesize of output 9 [2018-11-14 16:28:59,623 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-14 16:29:00,241 INFO L303 Elim1Store]: Index analysis took 312 ms [2018-11-14 16:29:00,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2018-11-14 16:29:00,257 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 10 treesize of output 9 [2018-11-14 16:29:00,259 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-14 16:29:00,336 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:29:00,391 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:29:00,451 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:29:00,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 60 [2018-11-14 16:29:01,051 WARN L179 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-11-14 16:29:01,063 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-14 16:29:01,157 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:29:01,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-14 16:29:01,160 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-14 16:29:01,199 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:29:01,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 58 [2018-11-14 16:29:01,357 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-14 16:29:01,369 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:29:01,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-14 16:29:01,380 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-14 16:29:01,405 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:29:01,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 58 [2018-11-14 16:29:01,532 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-14 16:29:01,560 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:29:01,561 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 16 treesize of output 23 [2018-11-14 16:29:01,564 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-14 16:29:01,588 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:29:01,640 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:29:01,690 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:29:01,734 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:29:01,869 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-14 16:29:01,870 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 7 variables, input treesize:206, output treesize:175 [2018-11-14 16:29:05,206 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 16:29:05,618 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:29:05,645 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:29:05,666 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:29:05,667 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 16:29:05,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 61 [2018-11-14 16:29:05,671 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-14 16:29:05,927 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:29:05,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 150 [2018-11-14 16:29:05,966 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 18 treesize of output 16 [2018-11-14 16:29:05,968 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-14 16:29:06,077 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:29:06,230 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-14 16:29:06,230 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:194, output treesize:171 [2018-11-14 16:29:06,276 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 16:29:06,493 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:29:06,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 110 [2018-11-14 16:29:06,569 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 10 treesize of output 9 [2018-11-14 16:29:06,571 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-14 16:29:06,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:29:06,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-14 16:29:06,819 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:184, output treesize:180 [2018-11-14 16:29:07,007 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-11-14 16:29:07,293 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-11-14 16:29:07,673 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 16:29:07,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 101 [2018-11-14 16:29:07,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 11 treesize of output 3 [2018-11-14 16:29:07,720 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-14 16:29:07,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 15 treesize of output 3 [2018-11-14 16:29:07,796 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-14 16:29:07,850 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 9 treesize of output 1 [2018-11-14 16:29:07,851 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-14 16:29:07,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 7 treesize of output 1 [2018-11-14 16:29:07,889 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-14 16:29:07,911 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:29:08,018 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-14 16:29:08,018 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:193, output treesize:135 [2018-11-14 16:29:08,040 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 16:29:08,185 INFO L256 TraceCheckUtils]: 0: Hoare triple {1972#true} call ULTIMATE.init(); {1972#true} is VALID [2018-11-14 16:29:08,185 INFO L273 TraceCheckUtils]: 1: Hoare triple {1972#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1972#true} is VALID [2018-11-14 16:29:08,186 INFO L273 TraceCheckUtils]: 2: Hoare triple {1972#true} assume true; {1972#true} is VALID [2018-11-14 16:29:08,186 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1972#true} {1972#true} #195#return; {1972#true} is VALID [2018-11-14 16:29:08,186 INFO L256 TraceCheckUtils]: 4: Hoare triple {1972#true} call #t~ret21 := main(); {1972#true} is VALID [2018-11-14 16:29:08,211 INFO L273 TraceCheckUtils]: 5: Hoare triple {1972#true} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12bv32);~bucket~0.base, ~bucket~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~intINTTYPE4(0bv32, ~bucket~0.base, ~bvadd32(8bv32, ~bucket~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bucket~0.base, ~bvadd32(4bv32, ~bucket~0.offset), 4bv32);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc1.base, #t~malloc1.offset, ~bucket~0.base, ~bucket~0.offset, 4bv32);call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~bucket~0.base, ~bucket~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem2.base, #t~mem2.offset;havoc #t~mem2.base, #t~mem2.offset;call write~intINTTYPE4(1bv32, ~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~bcki~0.base, ~bcki~0.offset, 4bv32);call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~bcki~0.base, ~bcki~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem4.base, #t~mem4.offset;havoc #t~mem4.base, #t~mem4.offset;call write~intINTTYPE4(2bv32, ~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bvadd32(4bv32, ~bcki~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, ~bcki~0.base, ~bcki~0.offset, 4bv32);~item~0.base, ~item~0.offset := 0bv32, 0bv32;~itr~0.base, ~itr~0.offset := 0bv32, 0bv32; {1992#(and (= (bvadd (select |#valid| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv1 1)) (_ bv0 1)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (_ bv0 32))) (= (select (select |#memory_int| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv8 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (not (= (select |#valid| main_~bucket~0.base) (_ bv0 1))) (exists ((main_~bcki~0.offset (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (bvadd (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (_ bv1 1)) (_ bv0 1)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|) main_~bucket~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) main_~bcki~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32))) (_ bv0 32)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset))} is VALID [2018-11-14 16:29:08,212 INFO L273 TraceCheckUtils]: 6: Hoare triple {1992#(and (= (bvadd (select |#valid| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv1 1)) (_ bv0 1)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (_ bv0 32))) (= (select (select |#memory_int| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv8 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (not (= (select |#valid| main_~bucket~0.base) (_ bv0 1))) (exists ((main_~bcki~0.offset (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (bvadd (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (_ bv1 1)) (_ bv0 1)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|) main_~bucket~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) main_~bcki~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32))) (_ bv0 32)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset))} assume true; {1992#(and (= (bvadd (select |#valid| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv1 1)) (_ bv0 1)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (_ bv0 32))) (= (select (select |#memory_int| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv8 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (not (= (select |#valid| main_~bucket~0.base) (_ bv0 1))) (exists ((main_~bcki~0.offset (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (bvadd (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (_ bv1 1)) (_ bv0 1)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|) main_~bucket~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) main_~bcki~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32))) (_ bv0 32)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset))} is VALID [2018-11-14 16:29:08,228 INFO L273 TraceCheckUtils]: 7: Hoare triple {1992#(and (= (bvadd (select |#valid| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (_ bv1 1)) (_ bv0 1)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (_ bv0 32))) (= (select (select |#memory_int| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv8 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (not (= (select |#valid| main_~bucket~0.base) (_ bv0 1))) (exists ((main_~bcki~0.offset (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (bvadd (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (_ bv1 1)) (_ bv0 1)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|) main_~bucket~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) main_~bcki~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32))) (_ bv0 32)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))))) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~bucket~0.offset))} assume !!(#t~nondet5 != 0bv32);havoc #t~nondet5;call #t~malloc6.base, #t~malloc6.offset := #Ultimate.alloc(8bv32);~item~0.base, ~item~0.offset := #t~malloc6.base, #t~malloc6.offset;call write~$Pointer$(0bv32, 0bv32, ~item~0.base, ~item~0.offset, 4bv32); {1999#(and (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~item~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (_ bv0 32))) (= (select (select |#memory_int| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv8 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (exists ((main_~bcki~0.offset (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|) main_~bucket~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) main_~bcki~0.offset)) (= (_ bv2 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv8 32)))) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32))) (_ bv0 32)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))))) (= (_ bv0 32) main_~item~0.offset) (= (_ bv0 32) main_~bucket~0.offset))} is VALID [2018-11-14 16:29:08,238 INFO L273 TraceCheckUtils]: 8: Hoare triple {1999#(and (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~item~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (_ bv0 32))) (= (select (select |#memory_int| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv8 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (exists ((main_~bcki~0.offset (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|) main_~bucket~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) main_~bcki~0.offset)) (= (_ bv2 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv8 32)))) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32))) (_ bv0 32)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))))) (= (_ bv0 32) main_~item~0.offset) (= (_ bv0 32) main_~bucket~0.offset))} assume #t~nondet7 != 0bv32;havoc #t~nondet7;call write~intINTTYPE4(0bv32, ~item~0.base, ~bvadd32(4bv32, ~item~0.offset), 4bv32); {2003#(and (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~item~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (_ bv0 32))) (= (select (select |#memory_int| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv8 32))) (_ bv0 32)) (exists ((main_~bcki~0.offset (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|) main_~bucket~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) main_~bcki~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32))) (_ bv0 32)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))))) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset) (= (_ bv0 32) main_~bucket~0.offset))} is VALID [2018-11-14 16:29:08,243 INFO L273 TraceCheckUtils]: 9: Hoare triple {2003#(and (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~item~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (_ bv0 32))) (= (select (select |#memory_int| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv8 32))) (_ bv0 32)) (exists ((main_~bcki~0.offset (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|) main_~bucket~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|)) main_~bcki~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) |main_#t~malloc1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32))) (_ bv0 32)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))))) (not (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) main_~bucket~0.offset) main_~bucket~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| main_~bucket~0.base) (bvadd main_~bucket~0.offset (_ bv4 32))) (_ bv0 32)) (= (_ bv0 32) main_~item~0.offset) (= (_ bv0 32) main_~bucket~0.offset))} ~bcki~0.base, ~bcki~0.offset := ~bucket~0.base, ~bucket~0.offset; {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:29:08,244 INFO L273 TraceCheckUtils]: 10: Hoare triple {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} assume true; {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:29:08,246 INFO L273 TraceCheckUtils]: 11: Hoare triple {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} assume !!(~bcki~0.base != 0bv32 || ~bcki~0.offset != 0bv32); {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:29:08,278 INFO L273 TraceCheckUtils]: 12: Hoare triple {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} assume true; {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:29:08,288 INFO L273 TraceCheckUtils]: 13: Hoare triple {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} assume true; {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:29:08,301 INFO L273 TraceCheckUtils]: 14: Hoare triple {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} assume !!(~item~0.base != 0bv32 || ~item~0.offset != 0bv32); {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:29:08,313 INFO L273 TraceCheckUtils]: 15: Hoare triple {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} assume true; {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:29:08,315 INFO L273 TraceCheckUtils]: 16: Hoare triple {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} assume true; {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} is VALID [2018-11-14 16:29:08,319 INFO L273 TraceCheckUtils]: 17: Hoare triple {2007#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (exists ((v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (bvadd (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv8 32))) (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv8 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_int| main_~item~0.base) (bvadd main_~item~0.offset (_ bv4 32))) (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (= (select (select |#memory_int| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= (_ bv0 32) main_~item~0.offset))} call #t~mem9 := read~intINTTYPE4(~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call #t~mem10 := read~intINTTYPE4(~item~0.base, ~bvadd32(4bv32, ~item~0.offset), 4bv32); {2032#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (exists ((main_~item~0.base (_ BitVec 32)) (v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) (_ bv0 32))))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= |main_#t~mem10| (_ bv0 32)) (= (_ bv0 32) |main_#t~mem9|))} is VALID [2018-11-14 16:29:08,328 INFO L273 TraceCheckUtils]: 18: Hoare triple {2032#(and (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) main_~bcki~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset) (_ bv0 32))) (= (_ bv0 32) main_~bcki~0.offset) (exists ((main_~item~0.base (_ BitVec 32)) (v_subst_2 (_ BitVec 32)) (|main_#t~malloc1.offset| (_ BitVec 32))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) v_subst_2)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~item~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) (bvadd |main_#t~malloc1.offset| (_ bv4 32)))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|)) (bvadd v_subst_2 (_ bv4 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~bcki~0.base) main_~bcki~0.offset)) |main_#t~malloc1.offset|) main_~bcki~0.base)) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~item~0.base) (_ bv0 32))))) (= (_ bv0 32) (select (select |#memory_$Pointer$.base| main_~bcki~0.base) (bvadd main_~bcki~0.offset (_ bv4 32)))) (= |main_#t~mem10| (_ bv0 32)) (= (_ bv0 32) |main_#t~mem9|))} assume !!(#t~mem9 != #t~mem10);havoc #t~mem10;havoc #t~mem9;call #t~mem11.base, #t~mem11.offset := read~$Pointer$(~bcki~0.base, ~bcki~0.offset, 4bv32);~bcki~0.base, ~bcki~0.offset := #t~mem11.base, #t~mem11.offset;havoc #t~mem11.base, #t~mem11.offset; {1973#false} is VALID [2018-11-14 16:29:08,329 INFO L273 TraceCheckUtils]: 19: Hoare triple {1973#false} assume true; {1973#false} is VALID [2018-11-14 16:29:08,329 INFO L273 TraceCheckUtils]: 20: Hoare triple {1973#false} call #t~mem9 := read~intINTTYPE4(~bcki~0.base, ~bvadd32(8bv32, ~bcki~0.offset), 4bv32);call #t~mem10 := read~intINTTYPE4(~item~0.base, ~bvadd32(4bv32, ~item~0.offset), 4bv32); {1973#false} is VALID [2018-11-14 16:29:08,329 INFO L273 TraceCheckUtils]: 21: Hoare triple {1973#false} assume !(#t~mem9 != #t~mem10);havoc #t~mem10;havoc #t~mem9; {1973#false} is VALID [2018-11-14 16:29:08,330 INFO L273 TraceCheckUtils]: 22: Hoare triple {1973#false} assume true; {1973#false} is VALID [2018-11-14 16:29:08,330 INFO L273 TraceCheckUtils]: 23: Hoare triple {1973#false} assume !(~bcki~0.base != 0bv32 || ~bcki~0.offset != 0bv32); {1973#false} is VALID [2018-11-14 16:29:08,330 INFO L273 TraceCheckUtils]: 24: Hoare triple {1973#false} assume !false; {1973#false} is VALID [2018-11-14 16:29:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 16:29:08,338 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 16:29:08,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 16:29:08,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-14 16:29:08,340 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-11-14 16:29:08,341 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:29:08,341 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-14 16:29:08,450 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:29:08,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-14 16:29:08,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-14 16:29:08,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-14 16:29:08,450 INFO L87 Difference]: Start difference. First operand 66 states and 75 transitions. Second operand 7 states.