java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/memsafety/960521-1_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 13:06:11,547 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 13:06:11,549 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 13:06:11,560 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 13:06:11,561 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 13:06:11,561 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 13:06:11,562 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 13:06:11,563 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 13:06:11,564 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 13:06:11,565 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 13:06:11,566 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 13:06:11,566 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 13:06:11,567 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 13:06:11,568 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 13:06:11,568 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 13:06:11,570 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 13:06:11,572 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 13:06:11,573 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 13:06:11,574 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 13:06:11,575 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 13:06:11,576 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 13:06:11,576 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 13:06:11,577 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 13:06:11,577 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 13:06:11,578 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 13:06:11,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 13:06:11,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 13:06:11,580 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 13:06:11,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 13:06:11,580 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 13:06:11,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 13:06:11,581 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-11 13:06:11,600 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 13:06:11,600 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 13:06:11,601 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 13:06:11,601 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 13:06:11,602 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 13:06:11,602 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 13:06:11,602 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 13:06:11,602 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 13:06:11,602 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 13:06:11,602 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 13:06:11,603 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 13:06:11,603 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 13:06:11,603 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 13:06:11,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 13:06:11,603 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 13:06:11,603 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 13:06:11,603 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 13:06:11,604 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 13:06:11,604 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 13:06:11,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 13:06:11,604 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 13:06:11,604 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 13:06:11,633 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 13:06:11,643 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 13:06:11,647 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 13:06:11,648 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 13:06:11,648 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 13:06:11,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/960521-1_false-valid-deref.i [2018-04-11 13:06:11,958 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGebca31e1e [2018-04-11 13:06:12,088 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 13:06:12,088 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 13:06:12,089 INFO L168 CDTParser]: Scanning 960521-1_false-valid-deref.i [2018-04-11 13:06:12,095 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 13:06:12,096 INFO L215 ultiparseSymbolTable]: [2018-04-11 13:06:12,096 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 13:06:12,096 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_f_________false_valid_deref_i__foo ('foo') in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,096 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,096 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 13:06:12,096 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____fsblkcnt64_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,096 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____uint64_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,096 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__ssize_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____swblk_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__pthread_once_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____uid_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__u_short in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__ino_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__wchar_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____socklen_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__u_int64_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__loff_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____useconds_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____fsfilcnt64_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__b in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__id_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__a in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__ldiv_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____int64_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__dev_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____intptr_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__size_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__off_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,099 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__pthread_attr_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,099 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____u_int in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,099 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__register_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,099 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__quad_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,099 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__n in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,099 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____clockid_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,099 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__pthread_cond_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,099 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__pthread_mutex_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,099 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__suseconds_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,099 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____loff_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____u_short in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__int64_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__fsid_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__u_int16_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____WAIT_STATUS in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__ushort in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____clock_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__div_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____uint8_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____key_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____time_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,100 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__pthread_spinlock_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____mode_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__int8_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____fsfilcnt_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____rlim64_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____daddr_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____ino_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__caddr_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____sigset_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__pid_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__daddr_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__clock_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__fd_set in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,101 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____uint16_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____fsid_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__gid_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__pthread_condattr_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__u_long in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____caddr_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__mode_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____dev_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____int8_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__u_int32_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,102 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__sigset_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__ulong in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____u_long in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____off64_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____u_char in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__u_quad_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____blksize_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__blksize_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____qaddr_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__uid_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__pthread_rwlock_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__lldiv_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____uint32_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,103 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____int16_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__pthread_barrier_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__time_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__u_char in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__pthread_key_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__int16_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____fsblkcnt_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__blkcnt_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____pthread_list_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__pthread_barrierattr_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____blkcnt_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,104 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____rlim_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__u_int in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____int32_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__fd_mask in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____u_quad_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____suseconds_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____timer_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__fsblkcnt_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____gid_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____quad_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__pthread_mutexattr_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____pid_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,105 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____ino64_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__u_int8_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____fd_mask in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__nlink_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__uint in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__int32_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____blkcnt64_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____off_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__pthread_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__fsfilcnt_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____id_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__pthread_rwlockattr_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,106 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____nlink_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____sig_atomic_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__clockid_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__key_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i____ssize_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,107 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_deref_i__timer_t in 960521-1_false-valid-deref.i [2018-04-11 13:06:12,120 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGebca31e1e [2018-04-11 13:06:12,123 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 13:06:12,123 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 13:06:12,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 13:06:12,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 13:06:12,128 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 13:06:12,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 01:06:12" (1/1) ... [2018-04-11 13:06:12,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5867e774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:06:12, skipping insertion in model container [2018-04-11 13:06:12,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 01:06:12" (1/1) ... [2018-04-11 13:06:12,141 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 13:06:12,162 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 13:06:12,279 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 13:06:12,313 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 13:06:12,319 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-11 13:06:12,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:06:12 WrapperNode [2018-04-11 13:06:12,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 13:06:12,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 13:06:12,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 13:06:12,355 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 13:06:12,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:06:12" (1/1) ... [2018-04-11 13:06:12,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:06:12" (1/1) ... [2018-04-11 13:06:12,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:06:12" (1/1) ... [2018-04-11 13:06:12,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:06:12" (1/1) ... [2018-04-11 13:06:12,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:06:12" (1/1) ... [2018-04-11 13:06:12,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:06:12" (1/1) ... [2018-04-11 13:06:12,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:06:12" (1/1) ... [2018-04-11 13:06:12,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 13:06:12,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 13:06:12,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 13:06:12,394 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 13:06:12,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:06:12" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 13:06:12,487 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 13:06:12,487 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 13:06:12,487 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_________false_valid_deref_i__foo [2018-04-11 13:06:12,487 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 13:06:12,487 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 13:06:12,487 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 13:06:12,488 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 13:06:12,488 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 13:06:12,488 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 13:06:12,488 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 13:06:12,488 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 13:06:12,488 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 13:06:12,488 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 13:06:12,488 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 13:06:12,488 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 13:06:12,488 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 13:06:12,488 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 13:06:12,489 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 13:06:12,489 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 13:06:12,489 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 13:06:12,489 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 13:06:12,489 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 13:06:12,489 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 13:06:12,489 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 13:06:12,489 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 13:06:12,489 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 13:06:12,489 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 13:06:12,490 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 13:06:12,490 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 13:06:12,490 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 13:06:12,490 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 13:06:12,490 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 13:06:12,490 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 13:06:12,490 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 13:06:12,490 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 13:06:12,490 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 13:06:12,490 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 13:06:12,491 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 13:06:12,491 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 13:06:12,491 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 13:06:12,491 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 13:06:12,491 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 13:06:12,491 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 13:06:12,491 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 13:06:12,491 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 13:06:12,491 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 13:06:12,492 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 13:06:12,492 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 13:06:12,492 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 13:06:12,492 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 13:06:12,492 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 13:06:12,492 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 13:06:12,492 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 13:06:12,492 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 13:06:12,492 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 13:06:12,492 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 13:06:12,492 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 13:06:12,493 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 13:06:12,493 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 13:06:12,493 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 13:06:12,493 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 13:06:12,493 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 13:06:12,493 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 13:06:12,493 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 13:06:12,493 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 13:06:12,493 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 13:06:12,493 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 13:06:12,493 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 13:06:12,493 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 13:06:12,494 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 13:06:12,494 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 13:06:12,494 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 13:06:12,494 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 13:06:12,494 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 13:06:12,494 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 13:06:12,494 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 13:06:12,494 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 13:06:12,494 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 13:06:12,494 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 13:06:12,494 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 13:06:12,494 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 13:06:12,494 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 13:06:12,494 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 13:06:12,495 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 13:06:12,495 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 13:06:12,495 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 13:06:12,495 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 13:06:12,495 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 13:06:12,495 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 13:06:12,495 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 13:06:12,495 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 13:06:12,495 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 13:06:12,495 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 13:06:12,495 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 13:06:12,495 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 13:06:12,495 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 13:06:12,495 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 13:06:12,496 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 13:06:12,496 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 13:06:12,496 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 13:06:12,496 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 13:06:12,496 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 13:06:12,496 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 13:06:12,496 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 13:06:12,496 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 13:06:12,496 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 13:06:12,496 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_________false_valid_deref_i__foo [2018-04-11 13:06:12,496 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 13:06:12,497 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 13:06:12,497 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 13:06:12,497 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 13:06:12,497 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 13:06:12,497 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 13:06:12,497 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 13:06:12,497 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 13:06:12,777 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 13:06:12,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 01:06:12 BoogieIcfgContainer [2018-04-11 13:06:12,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 13:06:12,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 13:06:12,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 13:06:12,779 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 13:06:12,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 01:06:12" (1/3) ... [2018-04-11 13:06:12,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5621cc68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 01:06:12, skipping insertion in model container [2018-04-11 13:06:12,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:06:12" (2/3) ... [2018-04-11 13:06:12,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5621cc68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 01:06:12, skipping insertion in model container [2018-04-11 13:06:12,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 01:06:12" (3/3) ... [2018-04-11 13:06:12,781 INFO L107 eAbstractionObserver]: Analyzing ICFG 960521-1_false-valid-deref.i [2018-04-11 13:06:12,789 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 13:06:12,795 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-04-11 13:06:12,826 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 13:06:12,826 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 13:06:12,827 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 13:06:12,827 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 13:06:12,827 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 13:06:12,827 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 13:06:12,827 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 13:06:12,827 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 13:06:12,827 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 13:06:12,828 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 13:06:12,839 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-04-11 13:06:12,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 13:06:12,846 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:12,847 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:12,847 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:12,851 INFO L82 PathProgramCache]: Analyzing trace with hash 516560539, now seen corresponding path program 1 times [2018-04-11 13:06:12,884 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:12,925 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:12,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:12,991 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:06:12,991 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:06:12,991 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:12,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:12,992 INFO L182 omatonBuilderFactory]: Interpolants [64#true, 65#false, 66#(= 1 (select |#valid| |main_#t~malloc3.base|)), 67#(= 1 (select |#valid| |main_#t~post4.base|))] [2018-04-11 13:06:12,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:12,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:06:13,001 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:06:13,001 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:06:13,003 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 4 states. [2018-04-11 13:06:13,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:13,080 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-04-11 13:06:13,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 13:06:13,081 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-04-11 13:06:13,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:13,089 INFO L225 Difference]: With dead ends: 60 [2018-04-11 13:06:13,090 INFO L226 Difference]: Without dead ends: 57 [2018-04-11 13:06:13,091 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:06:13,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-11 13:06:13,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-04-11 13:06:13,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-11 13:06:13,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-04-11 13:06:13,120 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 11 [2018-04-11 13:06:13,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:13,121 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-04-11 13:06:13,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:06:13,121 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-04-11 13:06:13,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 13:06:13,121 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:13,121 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:13,122 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:13,122 INFO L82 PathProgramCache]: Analyzing trace with hash 516560540, now seen corresponding path program 1 times [2018-04-11 13:06:13,123 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:13,138 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,197 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:06:13,197 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:06:13,197 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,197 INFO L182 omatonBuilderFactory]: Interpolants [187#true, 188#false, 189#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 190#(and (<= 512 (select |#length| |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)), 191#(and (= |main_#t~post4.offset| 0) (<= 512 (select |#length| |main_#t~post4.base|)))] [2018-04-11 13:06:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:06:13,198 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:06:13,198 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:06:13,198 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 5 states. [2018-04-11 13:06:13,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:13,237 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2018-04-11 13:06:13,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:06:13,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-04-11 13:06:13,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:13,239 INFO L225 Difference]: With dead ends: 56 [2018-04-11 13:06:13,240 INFO L226 Difference]: Without dead ends: 56 [2018-04-11 13:06:13,241 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 13:06:13,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-11 13:06:13,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-04-11 13:06:13,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-11 13:06:13,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2018-04-11 13:06:13,246 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 11 [2018-04-11 13:06:13,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:13,246 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2018-04-11 13:06:13,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:06:13,246 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2018-04-11 13:06:13,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 13:06:13,247 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:13,247 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:13,247 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:13,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1337247429, now seen corresponding path program 1 times [2018-04-11 13:06:13,248 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:13,264 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,315 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:06:13,316 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 13:06:13,316 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,316 INFO L182 omatonBuilderFactory]: Interpolants [308#true, 309#false, 310#(= 1 (select |#valid| |main_#t~malloc2.base|)), 311#(= 1 (select |#valid| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)), 312#(or (= 1 (select |#valid| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.base |main_#t~malloc3.base|)), 313#(or (= 1 (select |#valid| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= |main_#t~post4.base| ~__U_MULTI_f_________false_valid_deref_i__a~0.base))] [2018-04-11 13:06:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 13:06:13,317 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 13:06:13,317 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:06:13,317 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand 6 states. [2018-04-11 13:06:13,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:13,365 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-04-11 13:06:13,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:06:13,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-04-11 13:06:13,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:13,366 INFO L225 Difference]: With dead ends: 53 [2018-04-11 13:06:13,366 INFO L226 Difference]: Without dead ends: 53 [2018-04-11 13:06:13,366 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 13:06:13,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-11 13:06:13,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-11 13:06:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-11 13:06:13,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2018-04-11 13:06:13,368 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 17 [2018-04-11 13:06:13,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:13,369 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2018-04-11 13:06:13,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 13:06:13,369 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-04-11 13:06:13,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 13:06:13,369 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:13,369 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:13,369 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:13,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1337247430, now seen corresponding path program 1 times [2018-04-11 13:06:13,370 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:13,381 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,462 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:06:13,462 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 13:06:13,462 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:13,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,462 INFO L182 omatonBuilderFactory]: Interpolants [422#true, 423#false, 424#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 425#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 426#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 427#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 428#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 512 (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:06:13,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 13:06:13,462 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 13:06:13,462 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-04-11 13:06:13,463 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 7 states. [2018-04-11 13:06:13,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:13,550 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-04-11 13:06:13,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 13:06:13,550 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-04-11 13:06:13,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:13,551 INFO L225 Difference]: With dead ends: 61 [2018-04-11 13:06:13,551 INFO L226 Difference]: Without dead ends: 61 [2018-04-11 13:06:13,551 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:06:13,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-04-11 13:06:13,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 56. [2018-04-11 13:06:13,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-11 13:06:13,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2018-04-11 13:06:13,553 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 17 [2018-04-11 13:06:13,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:13,554 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2018-04-11 13:06:13,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 13:06:13,554 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2018-04-11 13:06:13,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 13:06:13,554 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:13,554 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:13,554 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:13,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1186083357, now seen corresponding path program 1 times [2018-04-11 13:06:13,555 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:13,565 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:13,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,664 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:13,664 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-11 13:06:13,665 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:13,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,665 INFO L182 omatonBuilderFactory]: Interpolants [548#true, 549#false, 550#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 551#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 552#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 553#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 554#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 555#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 508) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:06:13,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 13:06:13,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 13:06:13,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:06:13,666 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand 8 states. [2018-04-11 13:06:13,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:13,780 INFO L93 Difference]: Finished difference Result 73 states and 76 transitions. [2018-04-11 13:06:13,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 13:06:13,781 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2018-04-11 13:06:13,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:13,783 INFO L225 Difference]: With dead ends: 73 [2018-04-11 13:06:13,784 INFO L226 Difference]: Without dead ends: 73 [2018-04-11 13:06:13,784 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-04-11 13:06:13,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-11 13:06:13,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 60. [2018-04-11 13:06:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-11 13:06:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2018-04-11 13:06:13,788 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 21 [2018-04-11 13:06:13,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:13,789 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2018-04-11 13:06:13,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 13:06:13,789 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2018-04-11 13:06:13,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 13:06:13,789 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:13,790 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:13,790 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:13,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1607211508, now seen corresponding path program 2 times [2018-04-11 13:06:13,790 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:13,804 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,979 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:13,979 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-11 13:06:13,979 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:13,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,980 INFO L182 omatonBuilderFactory]: Interpolants [691#true, 692#false, 693#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 694#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 695#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 696#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 697#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 698#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 699#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 700#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 504) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:06:13,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:13,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 13:06:13,980 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 13:06:13,981 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-04-11 13:06:13,981 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 10 states. [2018-04-11 13:06:14,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:14,128 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2018-04-11 13:06:14,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 13:06:14,129 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2018-04-11 13:06:14,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:14,130 INFO L225 Difference]: With dead ends: 85 [2018-04-11 13:06:14,130 INFO L226 Difference]: Without dead ends: 85 [2018-04-11 13:06:14,130 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-04-11 13:06:14,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-04-11 13:06:14,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 64. [2018-04-11 13:06:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-11 13:06:14,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions. [2018-04-11 13:06:14,134 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 25 [2018-04-11 13:06:14,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:14,134 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 66 transitions. [2018-04-11 13:06:14,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 13:06:14,134 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2018-04-11 13:06:14,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 13:06:14,135 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:14,135 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:14,135 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:14,135 INFO L82 PathProgramCache]: Analyzing trace with hash 124796491, now seen corresponding path program 3 times [2018-04-11 13:06:14,136 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:14,150 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:14,316 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:14,316 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-11 13:06:14,316 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:14,316 INFO L182 omatonBuilderFactory]: Interpolants [864#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 865#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 866#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 500) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 856#true, 857#false, 858#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 859#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 860#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 861#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 862#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 863#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:06:14,317 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:14,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 13:06:14,317 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 13:06:14,317 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-04-11 13:06:14,317 INFO L87 Difference]: Start difference. First operand 64 states and 66 transitions. Second operand 11 states. [2018-04-11 13:06:14,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:14,481 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2018-04-11 13:06:14,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 13:06:14,482 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2018-04-11 13:06:14,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:14,482 INFO L225 Difference]: With dead ends: 97 [2018-04-11 13:06:14,482 INFO L226 Difference]: Without dead ends: 97 [2018-04-11 13:06:14,482 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2018-04-11 13:06:14,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-04-11 13:06:14,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 68. [2018-04-11 13:06:14,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-11 13:06:14,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2018-04-11 13:06:14,485 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 70 transitions. Word has length 29 [2018-04-11 13:06:14,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:14,485 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 70 transitions. [2018-04-11 13:06:14,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 13:06:14,485 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2018-04-11 13:06:14,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 13:06:14,486 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:14,486 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:14,486 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:14,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1026318114, now seen corresponding path program 4 times [2018-04-11 13:06:14,487 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:14,498 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:14,645 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:14,645 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-11 13:06:14,646 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:14,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:14,646 INFO L182 omatonBuilderFactory]: Interpolants [1040#true, 1041#false, 1042#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 1043#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 1044#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1045#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1046#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 1047#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1048#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1049#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1050#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 1051#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 496) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:06:14,646 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:14,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 13:06:14,646 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 13:06:14,646 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-04-11 13:06:14,647 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. Second operand 12 states. [2018-04-11 13:06:14,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:14,846 INFO L93 Difference]: Finished difference Result 109 states and 115 transitions. [2018-04-11 13:06:14,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 13:06:14,846 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2018-04-11 13:06:14,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:14,846 INFO L225 Difference]: With dead ends: 109 [2018-04-11 13:06:14,847 INFO L226 Difference]: Without dead ends: 109 [2018-04-11 13:06:14,847 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2018-04-11 13:06:14,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-04-11 13:06:14,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 72. [2018-04-11 13:06:14,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-11 13:06:14,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2018-04-11 13:06:14,850 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 33 [2018-04-11 13:06:14,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:14,850 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2018-04-11 13:06:14,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 13:06:14,850 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2018-04-11 13:06:14,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-11 13:06:14,850 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:14,850 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:14,851 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:14,851 INFO L82 PathProgramCache]: Analyzing trace with hash 61750393, now seen corresponding path program 5 times [2018-04-11 13:06:14,851 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:14,863 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:15,074 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:15,075 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:15,075 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 13:06:15,075 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:15,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:15,075 INFO L182 omatonBuilderFactory]: Interpolants [1248#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1249#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 1250#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1251#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1252#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1253#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1254#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1255#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 492) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base))), 1243#true, 1244#false, 1245#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 1246#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 1247#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:06:15,075 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:15,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 13:06:15,075 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 13:06:15,076 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-04-11 13:06:15,076 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand 13 states. [2018-04-11 13:06:15,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:15,321 INFO L93 Difference]: Finished difference Result 121 states and 128 transitions. [2018-04-11 13:06:15,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 13:06:15,322 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-04-11 13:06:15,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:15,322 INFO L225 Difference]: With dead ends: 121 [2018-04-11 13:06:15,322 INFO L226 Difference]: Without dead ends: 121 [2018-04-11 13:06:15,323 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2018-04-11 13:06:15,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-04-11 13:06:15,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 76. [2018-04-11 13:06:15,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-11 13:06:15,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 78 transitions. [2018-04-11 13:06:15,326 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 78 transitions. Word has length 37 [2018-04-11 13:06:15,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:15,326 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 78 transitions. [2018-04-11 13:06:15,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 13:06:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2018-04-11 13:06:15,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-11 13:06:15,326 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:15,326 INFO L355 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:15,326 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:15,327 INFO L82 PathProgramCache]: Analyzing trace with hash -792488368, now seen corresponding path program 6 times [2018-04-11 13:06:15,327 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:15,344 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:15,501 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:15,502 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:15,502 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-11 13:06:15,502 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:15,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:15,502 INFO L182 omatonBuilderFactory]: Interpolants [1472#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1473#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1474#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1475#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1476#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1477#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1478#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 488) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 1465#true, 1466#false, 1467#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 1468#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 1469#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1470#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1471#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0))] [2018-04-11 13:06:15,502 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:15,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 13:06:15,502 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 13:06:15,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-04-11 13:06:15,503 INFO L87 Difference]: Start difference. First operand 76 states and 78 transitions. Second operand 14 states. [2018-04-11 13:06:15,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:15,894 INFO L93 Difference]: Finished difference Result 133 states and 141 transitions. [2018-04-11 13:06:15,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 13:06:15,894 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 41 [2018-04-11 13:06:15,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:15,895 INFO L225 Difference]: With dead ends: 133 [2018-04-11 13:06:15,895 INFO L226 Difference]: Without dead ends: 133 [2018-04-11 13:06:15,896 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:06:15,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-04-11 13:06:15,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 80. [2018-04-11 13:06:15,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-11 13:06:15,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 82 transitions. [2018-04-11 13:06:15,900 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 82 transitions. Word has length 41 [2018-04-11 13:06:15,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:15,901 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 82 transitions. [2018-04-11 13:06:15,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 13:06:15,901 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2018-04-11 13:06:15,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-11 13:06:15,902 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:15,902 INFO L355 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:15,902 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:15,902 INFO L82 PathProgramCache]: Analyzing trace with hash -44421977, now seen corresponding path program 7 times [2018-04-11 13:06:15,903 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:15,914 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:16,156 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:16,156 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:16,157 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 13:06:16,157 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:16,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:16,157 INFO L182 omatonBuilderFactory]: Interpolants [1706#true, 1707#false, 1708#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 1709#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 1710#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1711#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1712#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 1713#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1714#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1715#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1716#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1717#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1718#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1719#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 1720#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 484) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:06:16,158 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:16,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 13:06:16,158 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 13:06:16,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-04-11 13:06:16,158 INFO L87 Difference]: Start difference. First operand 80 states and 82 transitions. Second operand 15 states. [2018-04-11 13:06:16,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:16,520 INFO L93 Difference]: Finished difference Result 145 states and 154 transitions. [2018-04-11 13:06:16,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 13:06:16,521 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 45 [2018-04-11 13:06:16,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:16,522 INFO L225 Difference]: With dead ends: 145 [2018-04-11 13:06:16,522 INFO L226 Difference]: Without dead ends: 145 [2018-04-11 13:06:16,522 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2018-04-11 13:06:16,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-04-11 13:06:16,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 84. [2018-04-11 13:06:16,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-11 13:06:16,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 86 transitions. [2018-04-11 13:06:16,527 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 86 transitions. Word has length 45 [2018-04-11 13:06:16,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:16,527 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 86 transitions. [2018-04-11 13:06:16,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 13:06:16,528 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 86 transitions. [2018-04-11 13:06:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-11 13:06:16,528 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:16,529 INFO L355 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:16,529 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:16,529 INFO L82 PathProgramCache]: Analyzing trace with hash 897564542, now seen corresponding path program 8 times [2018-04-11 13:06:16,529 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:16,542 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:16,820 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:16,820 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-11 13:06:16,820 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:16,820 INFO L182 omatonBuilderFactory]: Interpolants [1966#true, 1967#false, 1968#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 1969#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 1970#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1971#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1972#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 1973#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1974#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1975#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1976#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1977#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1978#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1979#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1980#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 1981#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 480) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:06:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:16,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 13:06:16,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 13:06:16,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-04-11 13:06:16,821 INFO L87 Difference]: Start difference. First operand 84 states and 86 transitions. Second operand 16 states. [2018-04-11 13:06:17,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:17,189 INFO L93 Difference]: Finished difference Result 157 states and 167 transitions. [2018-04-11 13:06:17,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 13:06:17,190 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 49 [2018-04-11 13:06:17,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:17,191 INFO L225 Difference]: With dead ends: 157 [2018-04-11 13:06:17,191 INFO L226 Difference]: Without dead ends: 157 [2018-04-11 13:06:17,191 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2018-04-11 13:06:17,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-04-11 13:06:17,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 88. [2018-04-11 13:06:17,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-04-11 13:06:17,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 90 transitions. [2018-04-11 13:06:17,196 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 90 transitions. Word has length 49 [2018-04-11 13:06:17,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:17,197 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 90 transitions. [2018-04-11 13:06:17,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 13:06:17,197 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 90 transitions. [2018-04-11 13:06:17,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-11 13:06:17,197 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:17,197 INFO L355 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:17,198 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:17,198 INFO L82 PathProgramCache]: Analyzing trace with hash -396226859, now seen corresponding path program 9 times [2018-04-11 13:06:17,198 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:17,211 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:17,504 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:17,504 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:17,504 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-11 13:06:17,504 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:17,505 INFO L182 omatonBuilderFactory]: Interpolants [2245#true, 2246#false, 2247#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 2248#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 2249#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2250#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2251#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 2252#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2253#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2254#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2255#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2256#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2257#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2258#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2259#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2260#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2261#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 476) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:06:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:17,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 13:06:17,505 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 13:06:17,505 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2018-04-11 13:06:17,505 INFO L87 Difference]: Start difference. First operand 88 states and 90 transitions. Second operand 17 states. [2018-04-11 13:06:17,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:17,910 INFO L93 Difference]: Finished difference Result 169 states and 180 transitions. [2018-04-11 13:06:17,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 13:06:17,910 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 53 [2018-04-11 13:06:17,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:17,910 INFO L225 Difference]: With dead ends: 169 [2018-04-11 13:06:17,910 INFO L226 Difference]: Without dead ends: 169 [2018-04-11 13:06:17,911 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=213, Invalid=489, Unknown=0, NotChecked=0, Total=702 [2018-04-11 13:06:17,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-04-11 13:06:17,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 92. [2018-04-11 13:06:17,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-11 13:06:17,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 94 transitions. [2018-04-11 13:06:17,914 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 94 transitions. Word has length 53 [2018-04-11 13:06:17,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:17,914 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 94 transitions. [2018-04-11 13:06:17,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 13:06:17,914 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 94 transitions. [2018-04-11 13:06:17,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-11 13:06:17,915 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:17,915 INFO L355 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:17,915 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:17,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1202791764, now seen corresponding path program 10 times [2018-04-11 13:06:17,916 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:17,929 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:18,193 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:18,193 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-11 13:06:18,193 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:18,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:18,193 INFO L182 omatonBuilderFactory]: Interpolants [2560#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 472) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 2543#true, 2544#false, 2545#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 2546#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 2547#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2548#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2549#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 2550#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2551#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2552#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2553#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2554#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2555#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2556#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2557#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2558#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2559#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:06:18,193 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:18,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 13:06:18,194 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 13:06:18,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2018-04-11 13:06:18,194 INFO L87 Difference]: Start difference. First operand 92 states and 94 transitions. Second operand 18 states. [2018-04-11 13:06:18,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:18,602 INFO L93 Difference]: Finished difference Result 181 states and 193 transitions. [2018-04-11 13:06:18,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 13:06:18,602 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 57 [2018-04-11 13:06:18,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:18,603 INFO L225 Difference]: With dead ends: 181 [2018-04-11 13:06:18,603 INFO L226 Difference]: Without dead ends: 181 [2018-04-11 13:06:18,603 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=249, Invalid=563, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:06:18,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-04-11 13:06:18,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 96. [2018-04-11 13:06:18,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-04-11 13:06:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 98 transitions. [2018-04-11 13:06:18,605 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 98 transitions. Word has length 57 [2018-04-11 13:06:18,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:18,606 INFO L459 AbstractCegarLoop]: Abstraction has 96 states and 98 transitions. [2018-04-11 13:06:18,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 13:06:18,606 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 98 transitions. [2018-04-11 13:06:18,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-11 13:06:18,606 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:18,606 INFO L355 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:18,606 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:18,606 INFO L82 PathProgramCache]: Analyzing trace with hash -357309693, now seen corresponding path program 11 times [2018-04-11 13:06:18,607 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:18,614 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:18,840 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:18,840 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-11 13:06:18,840 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:18,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:18,840 INFO L182 omatonBuilderFactory]: Interpolants [2860#true, 2861#false, 2862#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 2863#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 2864#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2865#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2866#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 2867#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2868#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2869#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2870#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2871#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2872#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2873#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2874#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2875#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2876#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2877#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 2878#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 468) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:06:18,840 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:18,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 13:06:18,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 13:06:18,841 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2018-04-11 13:06:18,841 INFO L87 Difference]: Start difference. First operand 96 states and 98 transitions. Second operand 19 states. [2018-04-11 13:06:19,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:19,257 INFO L93 Difference]: Finished difference Result 193 states and 206 transitions. [2018-04-11 13:06:19,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 13:06:19,258 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 61 [2018-04-11 13:06:19,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:19,258 INFO L225 Difference]: With dead ends: 193 [2018-04-11 13:06:19,258 INFO L226 Difference]: Without dead ends: 193 [2018-04-11 13:06:19,259 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=288, Invalid=642, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:06:19,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-04-11 13:06:19,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 100. [2018-04-11 13:06:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-04-11 13:06:19,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 102 transitions. [2018-04-11 13:06:19,262 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 102 transitions. Word has length 61 [2018-04-11 13:06:19,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:19,262 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 102 transitions. [2018-04-11 13:06:19,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 13:06:19,262 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2018-04-11 13:06:19,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-11 13:06:19,263 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:19,263 INFO L355 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:19,263 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:19,264 INFO L82 PathProgramCache]: Analyzing trace with hash -669063206, now seen corresponding path program 12 times [2018-04-11 13:06:19,264 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:19,277 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:19,651 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:19,652 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:19,652 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-11 13:06:19,652 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:19,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:19,652 INFO L182 omatonBuilderFactory]: Interpolants [3200#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3201#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3202#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 3203#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3204#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3205#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3206#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3207#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3208#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3209#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3210#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3211#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3212#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3213#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3214#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 3215#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 464) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 3196#true, 3197#false, 3198#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 3199#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|)))] [2018-04-11 13:06:19,652 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:19,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-11 13:06:19,652 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-11 13:06:19,653 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-04-11 13:06:19,653 INFO L87 Difference]: Start difference. First operand 100 states and 102 transitions. Second operand 20 states. [2018-04-11 13:06:20,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:20,126 INFO L93 Difference]: Finished difference Result 205 states and 219 transitions. [2018-04-11 13:06:20,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-11 13:06:20,126 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 65 [2018-04-11 13:06:20,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:20,127 INFO L225 Difference]: With dead ends: 205 [2018-04-11 13:06:20,127 INFO L226 Difference]: Without dead ends: 205 [2018-04-11 13:06:20,128 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=330, Invalid=726, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 13:06:20,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-04-11 13:06:20,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 104. [2018-04-11 13:06:20,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-11 13:06:20,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 106 transitions. [2018-04-11 13:06:20,130 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 106 transitions. Word has length 65 [2018-04-11 13:06:20,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:20,130 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 106 transitions. [2018-04-11 13:06:20,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-11 13:06:20,130 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 106 transitions. [2018-04-11 13:06:20,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-11 13:06:20,130 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:20,131 INFO L355 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:20,131 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:20,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1547544881, now seen corresponding path program 13 times [2018-04-11 13:06:20,131 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:20,142 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:20,521 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:20,521 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:20,521 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 13:06:20,521 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:20,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:20,521 INFO L182 omatonBuilderFactory]: Interpolants [3552#false, 3553#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 3554#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 3555#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3556#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3557#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 3558#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3559#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3560#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3561#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3562#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3563#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3564#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3565#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3566#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3567#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3568#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3569#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3570#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 3571#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 460) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 3551#true] [2018-04-11 13:06:20,522 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:20,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 13:06:20,522 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 13:06:20,522 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:06:20,522 INFO L87 Difference]: Start difference. First operand 104 states and 106 transitions. Second operand 21 states. [2018-04-11 13:06:21,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:21,039 INFO L93 Difference]: Finished difference Result 217 states and 232 transitions. [2018-04-11 13:06:21,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 13:06:21,039 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 69 [2018-04-11 13:06:21,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:21,040 INFO L225 Difference]: With dead ends: 217 [2018-04-11 13:06:21,040 INFO L226 Difference]: Without dead ends: 217 [2018-04-11 13:06:21,041 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=375, Invalid=815, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 13:06:21,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-04-11 13:06:21,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 108. [2018-04-11 13:06:21,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-04-11 13:06:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 110 transitions. [2018-04-11 13:06:21,043 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 110 transitions. Word has length 69 [2018-04-11 13:06:21,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:21,043 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 110 transitions. [2018-04-11 13:06:21,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 13:06:21,043 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 110 transitions. [2018-04-11 13:06:21,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 13:06:21,043 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:21,043 INFO L355 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:21,044 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:21,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1172170504, now seen corresponding path program 14 times [2018-04-11 13:06:21,044 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:21,053 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:21,372 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:21,372 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-11 13:06:21,372 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:21,373 INFO L182 omatonBuilderFactory]: Interpolants [3936#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3937#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3938#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3939#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3940#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3941#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3942#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3943#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3944#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3945#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 3946#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 456) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 3925#true, 3926#false, 3927#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 3928#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 3929#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3930#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3931#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 3932#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3933#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3934#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 3935#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:06:21,373 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:21,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 13:06:21,373 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 13:06:21,373 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-04-11 13:06:21,373 INFO L87 Difference]: Start difference. First operand 108 states and 110 transitions. Second operand 22 states. [2018-04-11 13:06:21,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:21,884 INFO L93 Difference]: Finished difference Result 229 states and 245 transitions. [2018-04-11 13:06:21,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 13:06:21,884 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 73 [2018-04-11 13:06:21,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:21,885 INFO L225 Difference]: With dead ends: 229 [2018-04-11 13:06:21,885 INFO L226 Difference]: Without dead ends: 229 [2018-04-11 13:06:21,885 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=423, Invalid=909, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 13:06:21,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-04-11 13:06:21,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 112. [2018-04-11 13:06:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-04-11 13:06:21,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 114 transitions. [2018-04-11 13:06:21,889 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 114 transitions. Word has length 73 [2018-04-11 13:06:21,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:21,889 INFO L459 AbstractCegarLoop]: Abstraction has 112 states and 114 transitions. [2018-04-11 13:06:21,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 13:06:21,889 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 114 transitions. [2018-04-11 13:06:21,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-11 13:06:21,890 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:21,890 INFO L355 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:21,890 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:21,890 INFO L82 PathProgramCache]: Analyzing trace with hash -957521569, now seen corresponding path program 15 times [2018-04-11 13:06:21,891 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:21,906 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:22,304 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:22,304 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:22,304 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 13:06:22,305 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:22,305 INFO L182 omatonBuilderFactory]: Interpolants [4320#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 4321#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 4322#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4323#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4324#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 4325#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4326#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4327#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4328#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4329#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4330#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4331#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4332#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4333#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4334#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4335#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4336#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4337#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4338#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4339#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 4340#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 452) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 4318#true, 4319#false] [2018-04-11 13:06:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:22,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 13:06:22,305 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 13:06:22,306 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2018-04-11 13:06:22,306 INFO L87 Difference]: Start difference. First operand 112 states and 114 transitions. Second operand 23 states. [2018-04-11 13:06:22,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:22,908 INFO L93 Difference]: Finished difference Result 241 states and 258 transitions. [2018-04-11 13:06:22,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 13:06:22,909 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 77 [2018-04-11 13:06:22,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:22,910 INFO L225 Difference]: With dead ends: 241 [2018-04-11 13:06:22,910 INFO L226 Difference]: Without dead ends: 241 [2018-04-11 13:06:22,910 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=474, Invalid=1008, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 13:06:22,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-04-11 13:06:22,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 116. [2018-04-11 13:06:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-11 13:06:22,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 118 transitions. [2018-04-11 13:06:22,913 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 118 transitions. Word has length 77 [2018-04-11 13:06:22,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:22,913 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 118 transitions. [2018-04-11 13:06:22,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 13:06:22,913 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 118 transitions. [2018-04-11 13:06:22,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-11 13:06:22,914 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:22,914 INFO L355 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:22,914 INFO L408 AbstractCegarLoop]: === Iteration 20 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:22,914 INFO L82 PathProgramCache]: Analyzing trace with hash -461776842, now seen corresponding path program 16 times [2018-04-11 13:06:22,915 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:22,938 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:23,329 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:23,329 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-11 13:06:23,329 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:23,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:23,330 INFO L182 omatonBuilderFactory]: Interpolants [4736#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 4737#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4738#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4739#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4740#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4741#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4742#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4743#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4744#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4745#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4746#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4747#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4748#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4749#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4750#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 4751#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 4752#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 4753#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 448) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 4730#true, 4731#false, 4732#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 4733#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 4734#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 4735#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:06:23,330 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:23,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-11 13:06:23,330 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-11 13:06:23,330 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2018-04-11 13:06:23,330 INFO L87 Difference]: Start difference. First operand 116 states and 118 transitions. Second operand 24 states. [2018-04-11 13:06:23,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:23,964 INFO L93 Difference]: Finished difference Result 253 states and 271 transitions. [2018-04-11 13:06:23,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-11 13:06:23,964 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 81 [2018-04-11 13:06:23,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:23,965 INFO L225 Difference]: With dead ends: 253 [2018-04-11 13:06:23,965 INFO L226 Difference]: Without dead ends: 253 [2018-04-11 13:06:23,965 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=528, Invalid=1112, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 13:06:23,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-04-11 13:06:23,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 120. [2018-04-11 13:06:23,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-11 13:06:23,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 122 transitions. [2018-04-11 13:06:23,967 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 122 transitions. Word has length 81 [2018-04-11 13:06:23,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:23,967 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 122 transitions. [2018-04-11 13:06:23,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-11 13:06:23,967 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 122 transitions. [2018-04-11 13:06:23,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-11 13:06:23,968 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:23,968 INFO L355 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:23,968 INFO L408 AbstractCegarLoop]: === Iteration 21 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:23,968 INFO L82 PathProgramCache]: Analyzing trace with hash -424604787, now seen corresponding path program 17 times [2018-04-11 13:06:23,968 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:23,978 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:24,447 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:24,447 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 13:06:24,447 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:24,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:24,447 INFO L182 omatonBuilderFactory]: Interpolants [5184#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5185#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 444) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 5161#true, 5162#false, 5163#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 5164#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 5165#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5166#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5167#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 5168#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5169#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5170#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5171#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5172#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5173#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5174#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5175#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5176#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5177#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5178#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5179#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5180#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5181#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 5182#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5183#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:06:24,447 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:24,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 13:06:24,448 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 13:06:24,448 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2018-04-11 13:06:24,448 INFO L87 Difference]: Start difference. First operand 120 states and 122 transitions. Second operand 25 states. [2018-04-11 13:06:25,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:25,161 INFO L93 Difference]: Finished difference Result 265 states and 284 transitions. [2018-04-11 13:06:25,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 13:06:25,161 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 85 [2018-04-11 13:06:25,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:25,162 INFO L225 Difference]: With dead ends: 265 [2018-04-11 13:06:25,162 INFO L226 Difference]: Without dead ends: 265 [2018-04-11 13:06:25,162 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=585, Invalid=1221, Unknown=0, NotChecked=0, Total=1806 [2018-04-11 13:06:25,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-04-11 13:06:25,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 124. [2018-04-11 13:06:25,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-04-11 13:06:25,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2018-04-11 13:06:25,164 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 85 [2018-04-11 13:06:25,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:25,164 INFO L459 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2018-04-11 13:06:25,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 13:06:25,164 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2018-04-11 13:06:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-04-11 13:06:25,165 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:25,165 INFO L355 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:25,165 INFO L408 AbstractCegarLoop]: === Iteration 22 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:25,165 INFO L82 PathProgramCache]: Analyzing trace with hash -924796060, now seen corresponding path program 18 times [2018-04-11 13:06:25,165 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:25,175 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:25,584 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:25,585 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-11 13:06:25,585 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:25,585 INFO L182 omatonBuilderFactory]: Interpolants [5632#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5633#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5634#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5635#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5636#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 440) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base))), 5611#true, 5612#false, 5613#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 5614#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 5615#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5616#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5617#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 5618#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5619#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5620#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5621#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5622#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5623#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5624#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5625#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5626#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5627#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5628#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5629#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5630#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 5631#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0))] [2018-04-11 13:06:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:25,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 13:06:25,586 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 13:06:25,586 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=441, Unknown=0, NotChecked=0, Total=650 [2018-04-11 13:06:25,586 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand 26 states. [2018-04-11 13:06:26,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:26,315 INFO L93 Difference]: Finished difference Result 277 states and 297 transitions. [2018-04-11 13:06:26,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-11 13:06:26,317 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 89 [2018-04-11 13:06:26,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:26,318 INFO L225 Difference]: With dead ends: 277 [2018-04-11 13:06:26,318 INFO L226 Difference]: Without dead ends: 277 [2018-04-11 13:06:26,318 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=645, Invalid=1335, Unknown=0, NotChecked=0, Total=1980 [2018-04-11 13:06:26,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-04-11 13:06:26,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 128. [2018-04-11 13:06:26,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-04-11 13:06:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2018-04-11 13:06:26,321 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 89 [2018-04-11 13:06:26,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:26,321 INFO L459 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2018-04-11 13:06:26,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 13:06:26,322 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2018-04-11 13:06:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-11 13:06:26,322 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:26,322 INFO L355 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:26,322 INFO L408 AbstractCegarLoop]: === Iteration 23 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:26,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1451841605, now seen corresponding path program 19 times [2018-04-11 13:06:26,323 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:26,339 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:26,850 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:26,851 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:26,851 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-11 13:06:26,851 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:26,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:26,851 INFO L182 omatonBuilderFactory]: Interpolants [6080#true, 6081#false, 6082#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 6083#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 6084#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6085#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6086#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 6087#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6088#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6089#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6090#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6091#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6092#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6093#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6094#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6095#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6096#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6097#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6098#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6099#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6100#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 6101#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6102#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6103#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6104#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6105#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 6106#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 436) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:06:26,851 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:26,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-11 13:06:26,852 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-11 13:06:26,852 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=473, Unknown=0, NotChecked=0, Total=702 [2018-04-11 13:06:26,852 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand 27 states. [2018-04-11 13:06:27,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:27,703 INFO L93 Difference]: Finished difference Result 289 states and 310 transitions. [2018-04-11 13:06:27,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 13:06:27,703 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 93 [2018-04-11 13:06:27,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:27,704 INFO L225 Difference]: With dead ends: 289 [2018-04-11 13:06:27,704 INFO L226 Difference]: Without dead ends: 289 [2018-04-11 13:06:27,704 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=708, Invalid=1454, Unknown=0, NotChecked=0, Total=2162 [2018-04-11 13:06:27,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-04-11 13:06:27,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 132. [2018-04-11 13:06:27,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-04-11 13:06:27,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 134 transitions. [2018-04-11 13:06:27,707 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 134 transitions. Word has length 93 [2018-04-11 13:06:27,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:27,707 INFO L459 AbstractCegarLoop]: Abstraction has 132 states and 134 transitions. [2018-04-11 13:06:27,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-11 13:06:27,707 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 134 transitions. [2018-04-11 13:06:27,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-04-11 13:06:27,707 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:27,707 INFO L355 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:27,707 INFO L408 AbstractCegarLoop]: === Iteration 24 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:27,707 INFO L82 PathProgramCache]: Analyzing trace with hash 973115538, now seen corresponding path program 20 times [2018-04-11 13:06:27,708 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:27,719 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:28,369 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:28,370 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:28,370 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-11 13:06:28,370 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:28,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:28,370 INFO L182 omatonBuilderFactory]: Interpolants [6592#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6593#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6594#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 6595#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 432) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 6568#true, 6569#false, 6570#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 6571#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 6572#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6573#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6574#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 6575#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6576#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6577#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6578#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6579#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6580#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6581#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6582#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6583#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6584#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6585#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6586#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6587#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6588#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 6589#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6590#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 6591#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:06:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:28,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-11 13:06:28,371 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-11 13:06:28,372 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=506, Unknown=0, NotChecked=0, Total=756 [2018-04-11 13:06:28,372 INFO L87 Difference]: Start difference. First operand 132 states and 134 transitions. Second operand 28 states. [2018-04-11 13:06:29,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:29,039 INFO L93 Difference]: Finished difference Result 301 states and 323 transitions. [2018-04-11 13:06:29,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-11 13:06:29,039 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 97 [2018-04-11 13:06:29,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:29,040 INFO L225 Difference]: With dead ends: 301 [2018-04-11 13:06:29,040 INFO L226 Difference]: Without dead ends: 301 [2018-04-11 13:06:29,041 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=774, Invalid=1578, Unknown=0, NotChecked=0, Total=2352 [2018-04-11 13:06:29,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-04-11 13:06:29,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 136. [2018-04-11 13:06:29,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-04-11 13:06:29,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 138 transitions. [2018-04-11 13:06:29,043 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 138 transitions. Word has length 97 [2018-04-11 13:06:29,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:29,043 INFO L459 AbstractCegarLoop]: Abstraction has 136 states and 138 transitions. [2018-04-11 13:06:29,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-11 13:06:29,044 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 138 transitions. [2018-04-11 13:06:29,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-11 13:06:29,044 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:29,044 INFO L355 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:29,044 INFO L408 AbstractCegarLoop]: === Iteration 25 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:29,044 INFO L82 PathProgramCache]: Analyzing trace with hash 791426537, now seen corresponding path program 21 times [2018-04-11 13:06:29,044 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:29,058 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:29,648 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:29,648 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:29,648 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 13:06:29,648 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:29,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:29,648 INFO L182 omatonBuilderFactory]: Interpolants [7075#true, 7076#false, 7077#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 7078#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 7079#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7080#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7081#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 7082#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7083#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7084#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7085#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7086#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7087#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7088#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7089#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7090#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7091#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7092#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7093#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7094#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7095#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 7096#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7097#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7098#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7099#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7100#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7101#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7102#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7103#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 428) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:06:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:29,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 13:06:29,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 13:06:29,650 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=540, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:06:29,650 INFO L87 Difference]: Start difference. First operand 136 states and 138 transitions. Second operand 29 states. [2018-04-11 13:06:30,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:30,506 INFO L93 Difference]: Finished difference Result 313 states and 336 transitions. [2018-04-11 13:06:30,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 13:06:30,506 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 101 [2018-04-11 13:06:30,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:30,507 INFO L225 Difference]: With dead ends: 313 [2018-04-11 13:06:30,507 INFO L226 Difference]: Without dead ends: 313 [2018-04-11 13:06:30,507 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=843, Invalid=1707, Unknown=0, NotChecked=0, Total=2550 [2018-04-11 13:06:30,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-04-11 13:06:30,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 140. [2018-04-11 13:06:30,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-04-11 13:06:30,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 142 transitions. [2018-04-11 13:06:30,509 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 142 transitions. Word has length 101 [2018-04-11 13:06:30,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:30,509 INFO L459 AbstractCegarLoop]: Abstraction has 140 states and 142 transitions. [2018-04-11 13:06:30,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 13:06:30,510 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 142 transitions. [2018-04-11 13:06:30,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-04-11 13:06:30,510 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:30,510 INFO L355 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:30,510 INFO L408 AbstractCegarLoop]: === Iteration 26 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:30,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1329113152, now seen corresponding path program 22 times [2018-04-11 13:06:30,510 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:30,522 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:31,157 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:31,157 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:31,157 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 13:06:31,158 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:31,158 INFO L182 omatonBuilderFactory]: Interpolants [7616#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7617#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7618#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7619#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7620#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7621#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 7622#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7623#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7624#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7625#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7626#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7627#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7628#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7629#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 7630#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 424) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 7601#true, 7602#false, 7603#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 7604#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 7605#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7606#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7607#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 7608#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7609#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7610#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7611#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7612#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7613#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7614#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 7615#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:06:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:31,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 13:06:31,159 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 13:06:31,159 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=575, Unknown=0, NotChecked=0, Total=870 [2018-04-11 13:06:31,159 INFO L87 Difference]: Start difference. First operand 140 states and 142 transitions. Second operand 30 states. [2018-04-11 13:06:32,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:32,004 INFO L93 Difference]: Finished difference Result 325 states and 349 transitions. [2018-04-11 13:06:32,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 13:06:32,004 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 105 [2018-04-11 13:06:32,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:32,005 INFO L225 Difference]: With dead ends: 325 [2018-04-11 13:06:32,005 INFO L226 Difference]: Without dead ends: 325 [2018-04-11 13:06:32,006 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=915, Invalid=1841, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 13:06:32,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-04-11 13:06:32,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 144. [2018-04-11 13:06:32,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-11 13:06:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 146 transitions. [2018-04-11 13:06:32,009 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 146 transitions. Word has length 105 [2018-04-11 13:06:32,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:32,009 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 146 transitions. [2018-04-11 13:06:32,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 13:06:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 146 transitions. [2018-04-11 13:06:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-04-11 13:06:32,010 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:32,010 INFO L355 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:32,010 INFO L408 AbstractCegarLoop]: === Iteration 27 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:32,010 INFO L82 PathProgramCache]: Analyzing trace with hash -910182889, now seen corresponding path program 23 times [2018-04-11 13:06:32,010 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:32,023 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:32,736 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:32,736 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 13:06:32,736 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:32,736 INFO L182 omatonBuilderFactory]: Interpolants [8146#true, 8147#false, 8148#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 8149#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 8150#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8151#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8152#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 8153#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8154#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8155#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8156#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8157#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8158#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8159#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8160#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8161#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8162#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8163#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8164#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8165#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8166#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 8167#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8168#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8169#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8170#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8171#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8172#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8173#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8174#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8175#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 8176#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 420) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:06:32,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:32,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 13:06:32,737 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 13:06:32,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=611, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:06:32,737 INFO L87 Difference]: Start difference. First operand 144 states and 146 transitions. Second operand 31 states. [2018-04-11 13:06:33,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:33,703 INFO L93 Difference]: Finished difference Result 337 states and 362 transitions. [2018-04-11 13:06:33,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 13:06:33,704 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 109 [2018-04-11 13:06:33,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:33,705 INFO L225 Difference]: With dead ends: 337 [2018-04-11 13:06:33,705 INFO L226 Difference]: Without dead ends: 337 [2018-04-11 13:06:33,705 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=990, Invalid=1980, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 13:06:33,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-04-11 13:06:33,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 148. [2018-04-11 13:06:33,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-04-11 13:06:33,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 150 transitions. [2018-04-11 13:06:33,708 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 150 transitions. Word has length 109 [2018-04-11 13:06:33,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:33,708 INFO L459 AbstractCegarLoop]: Abstraction has 148 states and 150 transitions. [2018-04-11 13:06:33,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 13:06:33,708 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 150 transitions. [2018-04-11 13:06:33,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-04-11 13:06:33,709 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:33,709 INFO L355 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:33,709 INFO L408 AbstractCegarLoop]: === Iteration 28 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:33,709 INFO L82 PathProgramCache]: Analyzing trace with hash -668790546, now seen corresponding path program 24 times [2018-04-11 13:06:33,709 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:33,722 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:34,362 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:34,362 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 13:06:34,362 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:34,362 INFO L182 omatonBuilderFactory]: Interpolants [8710#true, 8711#false, 8712#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 8713#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 8714#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8715#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8716#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 8717#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8718#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8719#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8720#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8721#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8722#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8723#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8724#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8725#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8726#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8727#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8728#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8729#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8730#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 8731#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8732#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8733#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8734#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8735#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8736#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8737#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8738#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8739#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8740#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 8741#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 416) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:06:34,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:34,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 13:06:34,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 13:06:34,363 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=648, Unknown=0, NotChecked=0, Total=992 [2018-04-11 13:06:34,363 INFO L87 Difference]: Start difference. First operand 148 states and 150 transitions. Second operand 32 states. [2018-04-11 13:06:35,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:35,391 INFO L93 Difference]: Finished difference Result 349 states and 375 transitions. [2018-04-11 13:06:35,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 13:06:35,391 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 113 [2018-04-11 13:06:35,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:35,392 INFO L225 Difference]: With dead ends: 349 [2018-04-11 13:06:35,393 INFO L226 Difference]: Without dead ends: 349 [2018-04-11 13:06:35,393 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1068, Invalid=2124, Unknown=0, NotChecked=0, Total=3192 [2018-04-11 13:06:35,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-04-11 13:06:35,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 152. [2018-04-11 13:06:35,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-04-11 13:06:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 154 transitions. [2018-04-11 13:06:35,398 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 154 transitions. Word has length 113 [2018-04-11 13:06:35,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:35,398 INFO L459 AbstractCegarLoop]: Abstraction has 152 states and 154 transitions. [2018-04-11 13:06:35,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 13:06:35,398 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 154 transitions. [2018-04-11 13:06:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-04-11 13:06:35,399 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:35,399 INFO L355 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:35,399 INFO L408 AbstractCegarLoop]: === Iteration 29 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:35,399 INFO L82 PathProgramCache]: Analyzing trace with hash -48289723, now seen corresponding path program 25 times [2018-04-11 13:06:35,400 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:35,422 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:36,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:36,131 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:36,131 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-11 13:06:36,131 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:36,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:36,131 INFO L182 omatonBuilderFactory]: Interpolants [9293#true, 9294#false, 9295#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 9296#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 9297#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9298#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9299#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 9300#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9301#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9302#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9303#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9304#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9305#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9306#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9307#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9308#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9309#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9310#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9311#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9312#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9313#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 9314#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9315#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9316#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9317#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9318#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9319#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9320#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9321#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9322#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9323#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9324#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 9325#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 412) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:06:36,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:36,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-11 13:06:36,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-11 13:06:36,132 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=686, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 13:06:36,133 INFO L87 Difference]: Start difference. First operand 152 states and 154 transitions. Second operand 33 states. [2018-04-11 13:06:37,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:37,115 INFO L93 Difference]: Finished difference Result 361 states and 388 transitions. [2018-04-11 13:06:37,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 13:06:37,115 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 117 [2018-04-11 13:06:37,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:37,116 INFO L225 Difference]: With dead ends: 361 [2018-04-11 13:06:37,116 INFO L226 Difference]: Without dead ends: 361 [2018-04-11 13:06:37,117 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1149, Invalid=2273, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 13:06:37,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-04-11 13:06:37,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 156. [2018-04-11 13:06:37,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-04-11 13:06:37,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 158 transitions. [2018-04-11 13:06:37,121 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 158 transitions. Word has length 117 [2018-04-11 13:06:37,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:37,122 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 158 transitions. [2018-04-11 13:06:37,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-11 13:06:37,122 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 158 transitions. [2018-04-11 13:06:37,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-04-11 13:06:37,122 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:37,123 INFO L355 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:37,123 INFO L408 AbstractCegarLoop]: === Iteration 30 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:37,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1929266148, now seen corresponding path program 26 times [2018-04-11 13:06:37,124 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:37,146 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:37,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:37,835 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:37,836 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-11 13:06:37,836 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:37,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:37,836 INFO L182 omatonBuilderFactory]: Interpolants [9920#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9921#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9922#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9923#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9924#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9925#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9926#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9927#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9928#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 408) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 9895#true, 9896#false, 9897#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 9898#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 9899#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9900#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9901#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 9902#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9903#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9904#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9905#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9906#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9907#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9908#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9909#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9910#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9911#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9912#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9913#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9914#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9915#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 9916#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9917#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9918#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 9919#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:06:37,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:37,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-11 13:06:37,837 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-11 13:06:37,837 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=725, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 13:06:37,837 INFO L87 Difference]: Start difference. First operand 156 states and 158 transitions. Second operand 34 states. [2018-04-11 13:06:38,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:38,800 INFO L93 Difference]: Finished difference Result 373 states and 401 transitions. [2018-04-11 13:06:38,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-11 13:06:38,800 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 121 [2018-04-11 13:06:38,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:38,801 INFO L225 Difference]: With dead ends: 373 [2018-04-11 13:06:38,801 INFO L226 Difference]: Without dead ends: 373 [2018-04-11 13:06:38,802 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1233, Invalid=2427, Unknown=0, NotChecked=0, Total=3660 [2018-04-11 13:06:38,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-04-11 13:06:38,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 160. [2018-04-11 13:06:38,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-04-11 13:06:38,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 162 transitions. [2018-04-11 13:06:38,805 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 162 transitions. Word has length 121 [2018-04-11 13:06:38,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:38,805 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 162 transitions. [2018-04-11 13:06:38,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-11 13:06:38,805 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 162 transitions. [2018-04-11 13:06:38,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-04-11 13:06:38,805 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:38,805 INFO L355 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:38,806 INFO L408 AbstractCegarLoop]: === Iteration 31 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:38,806 INFO L82 PathProgramCache]: Analyzing trace with hash 2134412403, now seen corresponding path program 27 times [2018-04-11 13:06:38,806 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:38,821 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:39,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:39,543 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:39,543 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-11 13:06:39,544 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:39,544 INFO L182 omatonBuilderFactory]: Interpolants [10516#true, 10517#false, 10518#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 10519#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 10520#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10521#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10522#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 10523#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10524#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10525#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10526#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10527#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10528#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10529#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10530#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10531#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10532#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10533#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10534#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10535#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10536#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 10537#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10538#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10539#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10540#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10541#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10542#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10543#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10544#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10545#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10546#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10547#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10548#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 10549#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 10550#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 404) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:06:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:39,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-11 13:06:39,545 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-11 13:06:39,545 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=765, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 13:06:39,545 INFO L87 Difference]: Start difference. First operand 160 states and 162 transitions. Second operand 35 states. [2018-04-11 13:06:40,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:40,677 INFO L93 Difference]: Finished difference Result 385 states and 414 transitions. [2018-04-11 13:06:40,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 13:06:40,707 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 125 [2018-04-11 13:06:40,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:40,708 INFO L225 Difference]: With dead ends: 385 [2018-04-11 13:06:40,708 INFO L226 Difference]: Without dead ends: 385 [2018-04-11 13:06:40,709 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1320, Invalid=2586, Unknown=0, NotChecked=0, Total=3906 [2018-04-11 13:06:40,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-04-11 13:06:40,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 164. [2018-04-11 13:06:40,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-04-11 13:06:40,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 166 transitions. [2018-04-11 13:06:40,712 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 166 transitions. Word has length 125 [2018-04-11 13:06:40,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:40,712 INFO L459 AbstractCegarLoop]: Abstraction has 164 states and 166 transitions. [2018-04-11 13:06:40,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-11 13:06:40,712 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 166 transitions. [2018-04-11 13:06:40,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-04-11 13:06:40,713 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:40,713 INFO L355 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:40,713 INFO L408 AbstractCegarLoop]: === Iteration 32 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:40,713 INFO L82 PathProgramCache]: Analyzing trace with hash -565094070, now seen corresponding path program 28 times [2018-04-11 13:06:40,714 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:40,740 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:41,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:41,506 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:41,506 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-11 13:06:41,506 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:41,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:41,506 INFO L182 omatonBuilderFactory]: Interpolants [11156#true, 11157#false, 11158#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 11159#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 11160#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11161#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11162#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 11163#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11164#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11165#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11166#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11167#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11168#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11169#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11170#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11171#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11172#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11173#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11174#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11175#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11176#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 11177#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11178#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11179#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11180#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11181#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11182#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11183#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11184#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11185#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11186#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11187#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11188#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 11189#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 11190#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11191#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 400) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:06:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:41,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-11 13:06:41,507 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-11 13:06:41,508 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=454, Invalid=806, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 13:06:41,508 INFO L87 Difference]: Start difference. First operand 164 states and 166 transitions. Second operand 36 states. [2018-04-11 13:06:42,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:42,662 INFO L93 Difference]: Finished difference Result 397 states and 427 transitions. [2018-04-11 13:06:42,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-11 13:06:42,662 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 129 [2018-04-11 13:06:42,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:42,663 INFO L225 Difference]: With dead ends: 397 [2018-04-11 13:06:42,664 INFO L226 Difference]: Without dead ends: 397 [2018-04-11 13:06:42,664 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1410, Invalid=2750, Unknown=0, NotChecked=0, Total=4160 [2018-04-11 13:06:42,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-04-11 13:06:42,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 168. [2018-04-11 13:06:42,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-04-11 13:06:42,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 170 transitions. [2018-04-11 13:06:42,668 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 170 transitions. Word has length 129 [2018-04-11 13:06:42,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:42,668 INFO L459 AbstractCegarLoop]: Abstraction has 168 states and 170 transitions. [2018-04-11 13:06:42,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-11 13:06:42,668 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 170 transitions. [2018-04-11 13:06:42,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-04-11 13:06:42,669 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:42,669 INFO L355 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:42,669 INFO L408 AbstractCegarLoop]: === Iteration 33 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:42,669 INFO L82 PathProgramCache]: Analyzing trace with hash 939123361, now seen corresponding path program 29 times [2018-04-11 13:06:42,670 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:42,697 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:43,542 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:43,542 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-11 13:06:43,542 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:43,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:43,542 INFO L182 omatonBuilderFactory]: Interpolants [11840#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11841#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11842#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11843#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11844#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11845#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11846#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11847#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 11848#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11849#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11850#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11851#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 396) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base))), 11815#true, 11816#false, 11817#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 11818#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 11819#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11820#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11821#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 11822#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11823#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11824#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11825#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11826#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11827#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11828#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11829#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11830#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11831#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11832#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11833#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11834#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11835#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 11836#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11837#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11838#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 11839#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:06:43,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:43,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-11 13:06:43,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-11 13:06:43,543 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=484, Invalid=848, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 13:06:43,544 INFO L87 Difference]: Start difference. First operand 168 states and 170 transitions. Second operand 37 states. [2018-04-11 13:06:44,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:44,655 INFO L93 Difference]: Finished difference Result 409 states and 440 transitions. [2018-04-11 13:06:44,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-11 13:06:44,656 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 133 [2018-04-11 13:06:44,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:44,657 INFO L225 Difference]: With dead ends: 409 [2018-04-11 13:06:44,657 INFO L226 Difference]: Without dead ends: 409 [2018-04-11 13:06:44,658 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1503, Invalid=2919, Unknown=0, NotChecked=0, Total=4422 [2018-04-11 13:06:44,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-04-11 13:06:44,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 172. [2018-04-11 13:06:44,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-04-11 13:06:44,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 174 transitions. [2018-04-11 13:06:44,662 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 174 transitions. Word has length 133 [2018-04-11 13:06:44,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:44,662 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 174 transitions. [2018-04-11 13:06:44,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-11 13:06:44,662 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 174 transitions. [2018-04-11 13:06:44,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-04-11 13:06:44,663 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:44,663 INFO L355 BasicCegarLoop]: trace histogram [31, 31, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:44,663 INFO L408 AbstractCegarLoop]: === Iteration 34 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:44,664 INFO L82 PathProgramCache]: Analyzing trace with hash 218097784, now seen corresponding path program 30 times [2018-04-11 13:06:44,664 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:44,695 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:45,588 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:45,588 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-11 13:06:45,588 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:45,588 INFO L182 omatonBuilderFactory]: Interpolants [12493#true, 12494#false, 12495#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 12496#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 12497#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12498#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12499#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 12500#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12501#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12502#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12503#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12504#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12505#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12506#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12507#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12508#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12509#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12510#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12511#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12512#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12513#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 12514#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12515#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12516#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12517#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12518#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12519#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12520#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12521#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12522#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12523#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12524#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12525#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 12526#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12527#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12528#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 12529#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 12530#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 392) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:06:45,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:45,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-11 13:06:45,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-11 13:06:45,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=515, Invalid=891, Unknown=0, NotChecked=0, Total=1406 [2018-04-11 13:06:45,590 INFO L87 Difference]: Start difference. First operand 172 states and 174 transitions. Second operand 38 states. [2018-04-11 13:06:46,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:46,859 INFO L93 Difference]: Finished difference Result 421 states and 453 transitions. [2018-04-11 13:06:46,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-11 13:06:46,860 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 137 [2018-04-11 13:06:46,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:46,861 INFO L225 Difference]: With dead ends: 421 [2018-04-11 13:06:46,861 INFO L226 Difference]: Without dead ends: 421 [2018-04-11 13:06:46,861 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1599, Invalid=3093, Unknown=0, NotChecked=0, Total=4692 [2018-04-11 13:06:46,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-04-11 13:06:46,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 176. [2018-04-11 13:06:46,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-04-11 13:06:46,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 178 transitions. [2018-04-11 13:06:46,863 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 178 transitions. Word has length 137 [2018-04-11 13:06:46,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:46,863 INFO L459 AbstractCegarLoop]: Abstraction has 176 states and 178 transitions. [2018-04-11 13:06:46,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-11 13:06:46,864 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 178 transitions. [2018-04-11 13:06:46,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-04-11 13:06:46,864 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:46,864 INFO L355 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:46,864 INFO L408 AbstractCegarLoop]: === Iteration 35 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:46,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1095838415, now seen corresponding path program 31 times [2018-04-11 13:06:46,865 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:46,883 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:47,722 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:47,722 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-11 13:06:47,722 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:47,722 INFO L182 omatonBuilderFactory]: Interpolants [13190#true, 13191#false, 13192#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 13193#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 13194#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13195#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13196#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 13197#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13198#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13199#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13200#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13201#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13202#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13203#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13204#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13205#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13206#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13207#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13208#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13209#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13210#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 13211#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13212#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13213#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13214#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13215#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13216#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13217#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13218#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13219#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13220#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13221#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13222#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 13223#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13224#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13225#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13226#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13227#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13228#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 388) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:06:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:47,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-11 13:06:47,723 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-11 13:06:47,723 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=547, Invalid=935, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 13:06:47,723 INFO L87 Difference]: Start difference. First operand 176 states and 178 transitions. Second operand 39 states. [2018-04-11 13:06:49,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:49,142 INFO L93 Difference]: Finished difference Result 433 states and 466 transitions. [2018-04-11 13:06:49,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-11 13:06:49,142 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 141 [2018-04-11 13:06:49,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:49,143 INFO L225 Difference]: With dead ends: 433 [2018-04-11 13:06:49,143 INFO L226 Difference]: Without dead ends: 433 [2018-04-11 13:06:49,143 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1698, Invalid=3272, Unknown=0, NotChecked=0, Total=4970 [2018-04-11 13:06:49,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-04-11 13:06:49,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 180. [2018-04-11 13:06:49,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-04-11 13:06:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 182 transitions. [2018-04-11 13:06:49,146 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 182 transitions. Word has length 141 [2018-04-11 13:06:49,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:49,146 INFO L459 AbstractCegarLoop]: Abstraction has 180 states and 182 transitions. [2018-04-11 13:06:49,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-11 13:06:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 182 transitions. [2018-04-11 13:06:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-04-11 13:06:49,146 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:49,146 INFO L355 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:49,146 INFO L408 AbstractCegarLoop]: === Iteration 36 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:49,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1946457690, now seen corresponding path program 32 times [2018-04-11 13:06:49,147 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:49,166 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:50,052 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:50,052 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-11 13:06:50,052 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:50,053 INFO L182 omatonBuilderFactory]: Interpolants [13906#true, 13907#false, 13908#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 13909#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 13910#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13911#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13912#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 13913#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13914#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13915#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13916#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13917#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13918#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13919#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13920#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13921#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13922#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13923#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13924#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13925#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13926#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 13927#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13928#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13929#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13930#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13931#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13932#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13933#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13934#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13935#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13936#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13937#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13938#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 13939#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13940#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13941#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13942#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13943#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 13944#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 13945#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 384) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:06:50,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:50,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-11 13:06:50,053 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-11 13:06:50,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=580, Invalid=980, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 13:06:50,054 INFO L87 Difference]: Start difference. First operand 180 states and 182 transitions. Second operand 40 states. [2018-04-11 13:06:51,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:51,407 INFO L93 Difference]: Finished difference Result 445 states and 479 transitions. [2018-04-11 13:06:51,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-11 13:06:51,407 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 145 [2018-04-11 13:06:51,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:51,408 INFO L225 Difference]: With dead ends: 445 [2018-04-11 13:06:51,408 INFO L226 Difference]: Without dead ends: 445 [2018-04-11 13:06:51,409 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1800, Invalid=3456, Unknown=0, NotChecked=0, Total=5256 [2018-04-11 13:06:51,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-04-11 13:06:51,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 184. [2018-04-11 13:06:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-04-11 13:06:51,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 186 transitions. [2018-04-11 13:06:51,411 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 186 transitions. Word has length 145 [2018-04-11 13:06:51,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:51,412 INFO L459 AbstractCegarLoop]: Abstraction has 184 states and 186 transitions. [2018-04-11 13:06:51,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-11 13:06:51,412 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 186 transitions. [2018-04-11 13:06:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-04-11 13:06:51,412 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:51,412 INFO L355 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:51,412 INFO L408 AbstractCegarLoop]: === Iteration 37 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:51,412 INFO L82 PathProgramCache]: Analyzing trace with hash -416520963, now seen corresponding path program 33 times [2018-04-11 13:06:51,413 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:51,435 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:52,494 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:52,494 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-11 13:06:52,494 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:52,494 INFO L182 omatonBuilderFactory]: Interpolants [14656#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14657#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14658#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14659#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14660#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14661#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 14662#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14663#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14664#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14665#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14666#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14667#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14668#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14669#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14670#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14671#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14672#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14673#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 14674#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14675#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14676#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14677#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14678#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14679#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14680#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14681#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 380) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base))), 14641#true, 14642#false, 14643#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 14644#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 14645#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14646#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14647#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 14648#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14649#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14650#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14651#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14652#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14653#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14654#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 14655#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:06:52,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:52,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-11 13:06:52,495 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-11 13:06:52,495 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=614, Invalid=1026, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 13:06:52,495 INFO L87 Difference]: Start difference. First operand 184 states and 186 transitions. Second operand 41 states. [2018-04-11 13:06:53,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:53,897 INFO L93 Difference]: Finished difference Result 457 states and 492 transitions. [2018-04-11 13:06:53,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-11 13:06:53,897 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 149 [2018-04-11 13:06:53,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:53,898 INFO L225 Difference]: With dead ends: 457 [2018-04-11 13:06:53,898 INFO L226 Difference]: Without dead ends: 457 [2018-04-11 13:06:53,898 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1905, Invalid=3645, Unknown=0, NotChecked=0, Total=5550 [2018-04-11 13:06:53,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-04-11 13:06:53,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 188. [2018-04-11 13:06:53,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-04-11 13:06:53,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 190 transitions. [2018-04-11 13:06:53,900 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 190 transitions. Word has length 149 [2018-04-11 13:06:53,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:53,901 INFO L459 AbstractCegarLoop]: Abstraction has 188 states and 190 transitions. [2018-04-11 13:06:53,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-11 13:06:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 190 transitions. [2018-04-11 13:06:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-04-11 13:06:53,902 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:53,902 INFO L355 BasicCegarLoop]: trace histogram [35, 35, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:53,902 INFO L408 AbstractCegarLoop]: === Iteration 38 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:53,902 INFO L82 PathProgramCache]: Analyzing trace with hash 3267796, now seen corresponding path program 34 times [2018-04-11 13:06:53,903 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:53,940 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:54,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:54,888 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:54,888 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-04-11 13:06:54,889 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:54,889 INFO L182 omatonBuilderFactory]: Interpolants [15424#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15425#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15426#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15427#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 15428#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15429#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15430#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15431#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15432#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15433#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15434#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15435#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 15436#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 376) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 15395#true, 15396#false, 15397#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 15398#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 15399#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15400#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15401#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 15402#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15403#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15404#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15405#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15406#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15407#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15408#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15409#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15410#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15411#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15412#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15413#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15414#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15415#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 15416#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15417#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15418#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15419#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15420#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15421#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15422#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 15423#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:06:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:54,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-11 13:06:54,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-11 13:06:54,890 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=649, Invalid=1073, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 13:06:54,890 INFO L87 Difference]: Start difference. First operand 188 states and 190 transitions. Second operand 42 states. [2018-04-11 13:06:56,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:56,312 INFO L93 Difference]: Finished difference Result 469 states and 505 transitions. [2018-04-11 13:06:56,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-11 13:06:56,312 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 153 [2018-04-11 13:06:56,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:56,313 INFO L225 Difference]: With dead ends: 469 [2018-04-11 13:06:56,313 INFO L226 Difference]: Without dead ends: 469 [2018-04-11 13:06:56,314 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 807 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2013, Invalid=3839, Unknown=0, NotChecked=0, Total=5852 [2018-04-11 13:06:56,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-04-11 13:06:56,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 192. [2018-04-11 13:06:56,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-04-11 13:06:56,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 194 transitions. [2018-04-11 13:06:56,317 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 194 transitions. Word has length 153 [2018-04-11 13:06:56,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:56,317 INFO L459 AbstractCegarLoop]: Abstraction has 192 states and 194 transitions. [2018-04-11 13:06:56,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-11 13:06:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 194 transitions. [2018-04-11 13:06:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-04-11 13:06:56,318 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:56,318 INFO L355 BasicCegarLoop]: trace histogram [36, 36, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:56,318 INFO L408 AbstractCegarLoop]: === Iteration 39 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:56,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1485205205, now seen corresponding path program 35 times [2018-04-11 13:06:56,319 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:56,342 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:57,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:57,354 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:57,355 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-04-11 13:06:57,355 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:57,355 INFO L182 omatonBuilderFactory]: Interpolants [16192#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16193#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16194#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16195#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16196#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16197#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16198#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16199#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16200#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 16201#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16202#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16203#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16204#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16205#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16206#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16207#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16208#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16209#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 16210#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 372) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 16168#true, 16169#false, 16170#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 16171#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 16172#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16173#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16174#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 16175#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16176#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16177#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16178#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16179#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16180#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16181#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16182#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16183#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16184#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16185#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16186#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16187#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16188#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 16189#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16190#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16191#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:06:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:57,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-04-11 13:06:57,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-04-11 13:06:57,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=685, Invalid=1121, Unknown=0, NotChecked=0, Total=1806 [2018-04-11 13:06:57,356 INFO L87 Difference]: Start difference. First operand 192 states and 194 transitions. Second operand 43 states. [2018-04-11 13:06:58,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:06:58,828 INFO L93 Difference]: Finished difference Result 481 states and 518 transitions. [2018-04-11 13:06:58,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-11 13:06:58,828 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 157 [2018-04-11 13:06:58,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:06:58,829 INFO L225 Difference]: With dead ends: 481 [2018-04-11 13:06:58,829 INFO L226 Difference]: Without dead ends: 481 [2018-04-11 13:06:58,830 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=2124, Invalid=4038, Unknown=0, NotChecked=0, Total=6162 [2018-04-11 13:06:58,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-04-11 13:06:58,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 196. [2018-04-11 13:06:58,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-04-11 13:06:58,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 198 transitions. [2018-04-11 13:06:58,832 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 198 transitions. Word has length 157 [2018-04-11 13:06:58,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:06:58,832 INFO L459 AbstractCegarLoop]: Abstraction has 196 states and 198 transitions. [2018-04-11 13:06:58,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-04-11 13:06:58,832 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 198 transitions. [2018-04-11 13:06:58,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-04-11 13:06:58,833 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:06:58,833 INFO L355 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:06:58,833 INFO L408 AbstractCegarLoop]: === Iteration 40 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:06:58,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1083261442, now seen corresponding path program 36 times [2018-04-11 13:06:58,833 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:06:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:06:58,858 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:06:59,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:59,925 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:06:59,926 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-04-11 13:06:59,926 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:06:59,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:59,926 INFO L182 omatonBuilderFactory]: Interpolants [16960#true, 16961#false, 16962#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 16963#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 16964#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16965#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16966#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 16967#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16968#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16969#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16970#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16971#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16972#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16973#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16974#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16975#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16976#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16977#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16978#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16979#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16980#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 16981#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16982#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16983#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16984#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16985#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16986#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16987#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16988#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16989#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16990#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16991#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16992#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 16993#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16994#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16995#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16996#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16997#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16998#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 16999#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17000#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17001#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17002#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17003#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 368) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:06:59,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:06:59,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-04-11 13:06:59,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-04-11 13:06:59,927 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=722, Invalid=1170, Unknown=0, NotChecked=0, Total=1892 [2018-04-11 13:06:59,927 INFO L87 Difference]: Start difference. First operand 196 states and 198 transitions. Second operand 44 states. [2018-04-11 13:07:01,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:01,605 INFO L93 Difference]: Finished difference Result 493 states and 531 transitions. [2018-04-11 13:07:01,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-11 13:07:01,605 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 161 [2018-04-11 13:07:01,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:01,606 INFO L225 Difference]: With dead ends: 493 [2018-04-11 13:07:01,606 INFO L226 Difference]: Without dead ends: 493 [2018-04-11 13:07:01,606 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 890 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=2238, Invalid=4242, Unknown=0, NotChecked=0, Total=6480 [2018-04-11 13:07:01,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-04-11 13:07:01,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 200. [2018-04-11 13:07:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-04-11 13:07:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 202 transitions. [2018-04-11 13:07:01,611 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 202 transitions. Word has length 161 [2018-04-11 13:07:01,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:01,611 INFO L459 AbstractCegarLoop]: Abstraction has 200 states and 202 transitions. [2018-04-11 13:07:01,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-04-11 13:07:01,611 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 202 transitions. [2018-04-11 13:07:01,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-04-11 13:07:01,612 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:01,612 INFO L355 BasicCegarLoop]: trace histogram [38, 38, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:01,612 INFO L408 AbstractCegarLoop]: === Iteration 41 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:01,612 INFO L82 PathProgramCache]: Analyzing trace with hash 841396057, now seen corresponding path program 37 times [2018-04-11 13:07:01,613 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:01,654 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:02,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:02,992 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:02,992 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-04-11 13:07:02,993 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:02,993 INFO L182 omatonBuilderFactory]: Interpolants [17792#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17793#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17794#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17795#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17796#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17797#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17798#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17799#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17800#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17801#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17802#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17803#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 17804#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17805#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17806#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17807#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17808#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17809#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17810#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17811#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17812#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17813#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17814#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 17815#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 364) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 17771#true, 17772#false, 17773#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 17774#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 17775#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17776#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17777#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 17778#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17779#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17780#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17781#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17782#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17783#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17784#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17785#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17786#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17787#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17788#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17789#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17790#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 17791#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0))] [2018-04-11 13:07:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:02,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-04-11 13:07:02,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-04-11 13:07:02,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=760, Invalid=1220, Unknown=0, NotChecked=0, Total=1980 [2018-04-11 13:07:02,994 INFO L87 Difference]: Start difference. First operand 200 states and 202 transitions. Second operand 45 states. [2018-04-11 13:07:04,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:04,653 INFO L93 Difference]: Finished difference Result 505 states and 544 transitions. [2018-04-11 13:07:04,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-11 13:07:04,653 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 165 [2018-04-11 13:07:04,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:04,655 INFO L225 Difference]: With dead ends: 505 [2018-04-11 13:07:04,655 INFO L226 Difference]: Without dead ends: 505 [2018-04-11 13:07:04,655 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 933 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=2355, Invalid=4451, Unknown=0, NotChecked=0, Total=6806 [2018-04-11 13:07:04,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-04-11 13:07:04,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 204. [2018-04-11 13:07:04,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-04-11 13:07:04,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 206 transitions. [2018-04-11 13:07:04,658 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 206 transitions. Word has length 165 [2018-04-11 13:07:04,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:04,658 INFO L459 AbstractCegarLoop]: Abstraction has 204 states and 206 transitions. [2018-04-11 13:07:04,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-04-11 13:07:04,658 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 206 transitions. [2018-04-11 13:07:04,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-04-11 13:07:04,658 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:04,658 INFO L355 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:04,658 INFO L408 AbstractCegarLoop]: === Iteration 42 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:04,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1443338544, now seen corresponding path program 38 times [2018-04-11 13:07:04,659 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:04,686 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:05,778 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:05,778 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-04-11 13:07:05,778 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:05,779 INFO L182 omatonBuilderFactory]: Interpolants [18624#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18625#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18626#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18627#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18628#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18629#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18630#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18631#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18632#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18633#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 18634#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18635#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18636#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18637#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18638#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18639#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18640#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18641#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18642#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18643#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 18644#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 18645#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18646#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 360) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 18601#true, 18602#false, 18603#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 18604#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 18605#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18606#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18607#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 18608#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18609#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18610#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18611#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18612#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18613#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18614#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18615#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18616#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18617#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18618#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18619#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18620#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18621#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 18622#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 18623#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:07:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:05,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-04-11 13:07:05,780 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-04-11 13:07:05,780 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=799, Invalid=1271, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 13:07:05,780 INFO L87 Difference]: Start difference. First operand 204 states and 206 transitions. Second operand 46 states. [2018-04-11 13:07:07,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:07,429 INFO L93 Difference]: Finished difference Result 517 states and 557 transitions. [2018-04-11 13:07:07,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-11 13:07:07,429 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 169 [2018-04-11 13:07:07,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:07,430 INFO L225 Difference]: With dead ends: 517 [2018-04-11 13:07:07,430 INFO L226 Difference]: Without dead ends: 517 [2018-04-11 13:07:07,430 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 977 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2475, Invalid=4665, Unknown=0, NotChecked=0, Total=7140 [2018-04-11 13:07:07,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-04-11 13:07:07,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 208. [2018-04-11 13:07:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-04-11 13:07:07,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 210 transitions. [2018-04-11 13:07:07,434 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 210 transitions. Word has length 169 [2018-04-11 13:07:07,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:07,434 INFO L459 AbstractCegarLoop]: Abstraction has 208 states and 210 transitions. [2018-04-11 13:07:07,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-04-11 13:07:07,434 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 210 transitions. [2018-04-11 13:07:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-04-11 13:07:07,434 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:07,435 INFO L355 BasicCegarLoop]: trace histogram [40, 40, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:07,435 INFO L408 AbstractCegarLoop]: === Iteration 43 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:07,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1763819399, now seen corresponding path program 39 times [2018-04-11 13:07:07,435 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:07,484 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:08,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:08,691 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:08,691 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-04-11 13:07:08,691 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:08,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:08,691 INFO L182 omatonBuilderFactory]: Interpolants [19456#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 19457#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19458#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19459#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19460#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19461#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19462#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19463#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19464#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19465#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19466#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19467#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19468#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19469#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19470#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 19471#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19472#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19473#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19474#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19475#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19476#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19477#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19478#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19479#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19480#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19481#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19482#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 19483#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19484#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19485#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19486#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19487#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19488#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19489#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19490#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19491#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19492#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 19493#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19494#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19495#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 19496#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 356) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 19450#true, 19451#false, 19452#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 19453#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 19454#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 19455#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:07:08,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:08,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-11 13:07:08,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-11 13:07:08,692 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=839, Invalid=1323, Unknown=0, NotChecked=0, Total=2162 [2018-04-11 13:07:08,692 INFO L87 Difference]: Start difference. First operand 208 states and 210 transitions. Second operand 47 states. [2018-04-11 13:07:10,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:10,503 INFO L93 Difference]: Finished difference Result 529 states and 570 transitions. [2018-04-11 13:07:10,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-11 13:07:10,503 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 173 [2018-04-11 13:07:10,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:10,505 INFO L225 Difference]: With dead ends: 529 [2018-04-11 13:07:10,505 INFO L226 Difference]: Without dead ends: 529 [2018-04-11 13:07:10,505 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2598, Invalid=4884, Unknown=0, NotChecked=0, Total=7482 [2018-04-11 13:07:10,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-04-11 13:07:10,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 212. [2018-04-11 13:07:10,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-04-11 13:07:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 214 transitions. [2018-04-11 13:07:10,511 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 214 transitions. Word has length 173 [2018-04-11 13:07:10,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:10,511 INFO L459 AbstractCegarLoop]: Abstraction has 212 states and 214 transitions. [2018-04-11 13:07:10,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-11 13:07:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 214 transitions. [2018-04-11 13:07:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-04-11 13:07:10,512 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:10,512 INFO L355 BasicCegarLoop]: trace histogram [41, 41, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:10,512 INFO L408 AbstractCegarLoop]: === Iteration 44 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:10,513 INFO L82 PathProgramCache]: Analyzing trace with hash 2072175198, now seen corresponding path program 40 times [2018-04-11 13:07:10,513 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:10,559 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:11,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:11,789 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:11,789 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-04-11 13:07:11,789 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:11,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:11,789 INFO L182 omatonBuilderFactory]: Interpolants [20352#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20353#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20354#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20355#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20356#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20357#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20358#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20359#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20360#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 20361#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20362#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20363#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20364#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 20365#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 352) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 20318#true, 20319#false, 20320#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 20321#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 20322#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20323#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20324#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 20325#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20326#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20327#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20328#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20329#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20330#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20331#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20332#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20333#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20334#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20335#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20336#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20337#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20338#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 20339#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20340#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20341#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20342#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20343#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20344#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20345#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20346#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20347#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20348#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20349#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 20350#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 20351#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:07:11,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:11,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-04-11 13:07:11,790 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-04-11 13:07:11,790 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=880, Invalid=1376, Unknown=0, NotChecked=0, Total=2256 [2018-04-11 13:07:11,790 INFO L87 Difference]: Start difference. First operand 212 states and 214 transitions. Second operand 48 states. [2018-04-11 13:07:13,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:13,542 INFO L93 Difference]: Finished difference Result 541 states and 583 transitions. [2018-04-11 13:07:13,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-11 13:07:13,542 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 177 [2018-04-11 13:07:13,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:13,543 INFO L225 Difference]: With dead ends: 541 [2018-04-11 13:07:13,544 INFO L226 Difference]: Without dead ends: 541 [2018-04-11 13:07:13,544 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1068 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=2724, Invalid=5108, Unknown=0, NotChecked=0, Total=7832 [2018-04-11 13:07:13,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2018-04-11 13:07:13,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 216. [2018-04-11 13:07:13,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-04-11 13:07:13,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 218 transitions. [2018-04-11 13:07:13,547 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 218 transitions. Word has length 177 [2018-04-11 13:07:13,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:13,547 INFO L459 AbstractCegarLoop]: Abstraction has 216 states and 218 transitions. [2018-04-11 13:07:13,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-04-11 13:07:13,547 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 218 transitions. [2018-04-11 13:07:13,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-04-11 13:07:13,547 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:13,547 INFO L355 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:13,547 INFO L408 AbstractCegarLoop]: === Iteration 45 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:13,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1616429493, now seen corresponding path program 41 times [2018-04-11 13:07:13,548 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:13,578 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:14,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:14,794 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:14,794 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-04-11 13:07:14,794 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:14,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:14,795 INFO L182 omatonBuilderFactory]: Interpolants [21248#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21249#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21250#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 21251#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 21252#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21253#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 348) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base))), 21205#true, 21206#false, 21207#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 21208#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 21209#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21210#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21211#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 21212#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21213#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21214#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21215#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21216#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21217#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21218#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21219#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21220#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21221#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21222#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21223#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21224#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21225#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 21226#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21227#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21228#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21229#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21230#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21231#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21232#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21233#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21234#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21235#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21236#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21237#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 21238#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21239#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21240#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21241#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21242#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21243#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21244#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21245#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21246#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 21247#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0))] [2018-04-11 13:07:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:14,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-04-11 13:07:14,795 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-04-11 13:07:14,795 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=922, Invalid=1430, Unknown=0, NotChecked=0, Total=2352 [2018-04-11 13:07:14,795 INFO L87 Difference]: Start difference. First operand 216 states and 218 transitions. Second operand 49 states. [2018-04-11 13:07:16,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:16,535 INFO L93 Difference]: Finished difference Result 553 states and 596 transitions. [2018-04-11 13:07:16,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-11 13:07:16,535 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 181 [2018-04-11 13:07:16,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:16,536 INFO L225 Difference]: With dead ends: 553 [2018-04-11 13:07:16,536 INFO L226 Difference]: Without dead ends: 553 [2018-04-11 13:07:16,537 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1115 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=2853, Invalid=5337, Unknown=0, NotChecked=0, Total=8190 [2018-04-11 13:07:16,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-04-11 13:07:16,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 220. [2018-04-11 13:07:16,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-04-11 13:07:16,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 222 transitions. [2018-04-11 13:07:16,539 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 222 transitions. Word has length 181 [2018-04-11 13:07:16,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:16,539 INFO L459 AbstractCegarLoop]: Abstraction has 220 states and 222 transitions. [2018-04-11 13:07:16,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-04-11 13:07:16,539 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 222 transitions. [2018-04-11 13:07:16,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-04-11 13:07:16,540 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:16,540 INFO L355 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:16,540 INFO L408 AbstractCegarLoop]: === Iteration 46 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:16,540 INFO L82 PathProgramCache]: Analyzing trace with hash 502341004, now seen corresponding path program 42 times [2018-04-11 13:07:16,540 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:16,576 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:17,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:17,879 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:17,879 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-04-11 13:07:17,880 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:17,880 INFO L182 omatonBuilderFactory]: Interpolants [22144#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22145#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22146#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22147#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22148#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22149#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22150#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22151#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22152#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22153#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 22154#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22155#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22156#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 22157#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22158#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22159#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22160#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 344) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 22111#true, 22112#false, 22113#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 22114#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 22115#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22116#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22117#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 22118#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22119#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22120#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22121#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22122#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22123#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22124#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22125#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22126#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22127#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22128#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22129#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22130#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22131#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 22132#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22133#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22134#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22135#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22136#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22137#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22138#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22139#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22140#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22141#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22142#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 22143#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0))] [2018-04-11 13:07:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:17,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-04-11 13:07:17,880 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-04-11 13:07:17,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=965, Invalid=1485, Unknown=0, NotChecked=0, Total=2450 [2018-04-11 13:07:17,881 INFO L87 Difference]: Start difference. First operand 220 states and 222 transitions. Second operand 50 states. [2018-04-11 13:07:19,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:19,711 INFO L93 Difference]: Finished difference Result 565 states and 609 transitions. [2018-04-11 13:07:19,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-11 13:07:19,711 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 185 [2018-04-11 13:07:19,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:19,713 INFO L225 Difference]: With dead ends: 565 [2018-04-11 13:07:19,713 INFO L226 Difference]: Without dead ends: 565 [2018-04-11 13:07:19,713 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1163 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2985, Invalid=5571, Unknown=0, NotChecked=0, Total=8556 [2018-04-11 13:07:19,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-04-11 13:07:19,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 224. [2018-04-11 13:07:19,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-04-11 13:07:19,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 226 transitions. [2018-04-11 13:07:19,716 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 226 transitions. Word has length 185 [2018-04-11 13:07:19,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:19,716 INFO L459 AbstractCegarLoop]: Abstraction has 224 states and 226 transitions. [2018-04-11 13:07:19,716 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-04-11 13:07:19,716 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 226 transitions. [2018-04-11 13:07:19,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-04-11 13:07:19,716 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:19,716 INFO L355 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:19,717 INFO L408 AbstractCegarLoop]: === Iteration 47 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:19,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1572451811, now seen corresponding path program 43 times [2018-04-11 13:07:19,717 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:19,753 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:21,115 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:21,115 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-04-11 13:07:21,115 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:21,116 INFO L182 omatonBuilderFactory]: Interpolants [23040#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23041#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23042#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 23043#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23044#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23045#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23046#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23047#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23048#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23049#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23050#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23051#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23052#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23053#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23054#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23055#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23056#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 23057#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23058#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23059#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23060#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23061#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23062#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23063#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23064#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23065#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23066#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23067#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23068#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 23069#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23070#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23071#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23072#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23073#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23074#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23075#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23076#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23077#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23078#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 23079#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23080#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23081#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 23082#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23083#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23084#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23085#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23086#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 340) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 23036#true, 23037#false, 23038#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 23039#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|)))] [2018-04-11 13:07:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:21,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-04-11 13:07:21,116 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-04-11 13:07:21,116 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1009, Invalid=1541, Unknown=0, NotChecked=0, Total=2550 [2018-04-11 13:07:21,116 INFO L87 Difference]: Start difference. First operand 224 states and 226 transitions. Second operand 51 states. [2018-04-11 13:07:23,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:23,188 INFO L93 Difference]: Finished difference Result 577 states and 622 transitions. [2018-04-11 13:07:23,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-11 13:07:23,188 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 189 [2018-04-11 13:07:23,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:23,190 INFO L225 Difference]: With dead ends: 577 [2018-04-11 13:07:23,190 INFO L226 Difference]: Without dead ends: 577 [2018-04-11 13:07:23,190 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1212 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=3120, Invalid=5810, Unknown=0, NotChecked=0, Total=8930 [2018-04-11 13:07:23,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2018-04-11 13:07:23,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 228. [2018-04-11 13:07:23,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-11 13:07:23,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 230 transitions. [2018-04-11 13:07:23,195 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 230 transitions. Word has length 189 [2018-04-11 13:07:23,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:23,195 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 230 transitions. [2018-04-11 13:07:23,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-04-11 13:07:23,195 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 230 transitions. [2018-04-11 13:07:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-04-11 13:07:23,196 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:23,198 INFO L355 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:23,198 INFO L408 AbstractCegarLoop]: === Iteration 48 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:23,198 INFO L82 PathProgramCache]: Analyzing trace with hash -599766342, now seen corresponding path program 44 times [2018-04-11 13:07:23,198 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:23,290 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:24,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:24,709 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:24,709 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-04-11 13:07:24,709 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:24,709 INFO L182 omatonBuilderFactory]: Interpolants [23980#true, 23981#false, 23982#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 23983#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 23984#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23985#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23986#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 23987#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23988#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23989#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23990#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23991#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23992#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23993#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23994#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23995#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23996#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23997#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23998#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 23999#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24000#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 24001#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24002#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24003#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24004#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24005#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24006#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24007#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24008#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24009#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24010#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24011#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24012#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 24013#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24014#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24015#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24016#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24017#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24018#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24019#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24020#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24021#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24022#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 24023#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24024#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24025#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 24026#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24027#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24028#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24029#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24030#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24031#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 336) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:07:24,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:24,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-04-11 13:07:24,710 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-04-11 13:07:24,710 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1054, Invalid=1598, Unknown=0, NotChecked=0, Total=2652 [2018-04-11 13:07:24,710 INFO L87 Difference]: Start difference. First operand 228 states and 230 transitions. Second operand 52 states. [2018-04-11 13:07:26,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:26,918 INFO L93 Difference]: Finished difference Result 589 states and 635 transitions. [2018-04-11 13:07:26,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-11 13:07:26,918 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 193 [2018-04-11 13:07:26,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:26,920 INFO L225 Difference]: With dead ends: 589 [2018-04-11 13:07:26,920 INFO L226 Difference]: Without dead ends: 589 [2018-04-11 13:07:26,920 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1262 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=3258, Invalid=6054, Unknown=0, NotChecked=0, Total=9312 [2018-04-11 13:07:26,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2018-04-11 13:07:26,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 232. [2018-04-11 13:07:26,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-04-11 13:07:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 234 transitions. [2018-04-11 13:07:26,923 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 234 transitions. Word has length 193 [2018-04-11 13:07:26,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:26,923 INFO L459 AbstractCegarLoop]: Abstraction has 232 states and 234 transitions. [2018-04-11 13:07:26,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-04-11 13:07:26,923 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 234 transitions. [2018-04-11 13:07:26,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-04-11 13:07:26,923 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:26,923 INFO L355 BasicCegarLoop]: trace histogram [46, 46, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:26,923 INFO L408 AbstractCegarLoop]: === Iteration 49 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:26,924 INFO L82 PathProgramCache]: Analyzing trace with hash -650994671, now seen corresponding path program 45 times [2018-04-11 13:07:26,924 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:26,963 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:28,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:28,453 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:28,454 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-04-11 13:07:28,454 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:28,454 INFO L182 omatonBuilderFactory]: Interpolants [24960#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24961#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24962#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24963#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 24964#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24965#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24966#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24967#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24968#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24969#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24970#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24971#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24972#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24973#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24974#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24975#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 24976#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24977#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24978#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24979#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24980#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24981#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24982#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24983#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24984#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24985#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 24986#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24987#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24988#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 24989#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24990#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24991#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24992#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24993#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24994#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 24995#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 332) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 24943#true, 24944#false, 24945#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 24946#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 24947#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24948#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24949#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 24950#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24951#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24952#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24953#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24954#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24955#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24956#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24957#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24958#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 24959#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:07:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:28,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-04-11 13:07:28,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-04-11 13:07:28,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1100, Invalid=1656, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 13:07:28,455 INFO L87 Difference]: Start difference. First operand 232 states and 234 transitions. Second operand 53 states. [2018-04-11 13:07:30,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:30,624 INFO L93 Difference]: Finished difference Result 601 states and 648 transitions. [2018-04-11 13:07:30,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-04-11 13:07:30,624 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 197 [2018-04-11 13:07:30,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:30,625 INFO L225 Difference]: With dead ends: 601 [2018-04-11 13:07:30,626 INFO L226 Difference]: Without dead ends: 601 [2018-04-11 13:07:30,626 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1313 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=3399, Invalid=6303, Unknown=0, NotChecked=0, Total=9702 [2018-04-11 13:07:30,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2018-04-11 13:07:30,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 236. [2018-04-11 13:07:30,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-04-11 13:07:30,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 238 transitions. [2018-04-11 13:07:30,630 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 238 transitions. Word has length 197 [2018-04-11 13:07:30,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:30,630 INFO L459 AbstractCegarLoop]: Abstraction has 236 states and 238 transitions. [2018-04-11 13:07:30,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-04-11 13:07:30,630 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 238 transitions. [2018-04-11 13:07:30,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-04-11 13:07:30,631 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:30,631 INFO L355 BasicCegarLoop]: trace histogram [47, 47, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:30,631 INFO L408 AbstractCegarLoop]: === Iteration 50 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:30,631 INFO L82 PathProgramCache]: Analyzing trace with hash -2023855640, now seen corresponding path program 46 times [2018-04-11 13:07:30,632 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:30,673 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:32,123 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:32,124 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-04-11 13:07:32,124 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:32,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:32,124 INFO L182 omatonBuilderFactory]: Interpolants [25925#true, 25926#false, 25927#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 25928#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 25929#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25930#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25931#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 25932#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25933#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25934#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25935#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25936#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25937#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25938#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25939#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25940#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25941#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25942#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25943#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25944#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25945#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 25946#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25947#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25948#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25949#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25950#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25951#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25952#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25953#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25954#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25955#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25956#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25957#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 25958#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25959#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25960#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25961#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25962#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25963#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25964#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25965#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25966#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25967#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 25968#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25969#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25970#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 25971#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25972#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25973#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25974#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25975#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25976#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 25977#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 25978#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 328) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:07:32,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:32,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-04-11 13:07:32,125 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-04-11 13:07:32,125 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1147, Invalid=1715, Unknown=0, NotChecked=0, Total=2862 [2018-04-11 13:07:32,125 INFO L87 Difference]: Start difference. First operand 236 states and 238 transitions. Second operand 54 states. [2018-04-11 13:07:34,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:34,453 INFO L93 Difference]: Finished difference Result 613 states and 661 transitions. [2018-04-11 13:07:34,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-04-11 13:07:34,453 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 201 [2018-04-11 13:07:34,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:34,454 INFO L225 Difference]: With dead ends: 613 [2018-04-11 13:07:34,454 INFO L226 Difference]: Without dead ends: 613 [2018-04-11 13:07:34,455 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1365 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=3543, Invalid=6557, Unknown=0, NotChecked=0, Total=10100 [2018-04-11 13:07:34,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2018-04-11 13:07:34,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 240. [2018-04-11 13:07:34,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-04-11 13:07:34,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 242 transitions. [2018-04-11 13:07:34,457 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 242 transitions. Word has length 201 [2018-04-11 13:07:34,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:34,458 INFO L459 AbstractCegarLoop]: Abstraction has 240 states and 242 transitions. [2018-04-11 13:07:34,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-04-11 13:07:34,458 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 242 transitions. [2018-04-11 13:07:34,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-04-11 13:07:34,458 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:34,458 INFO L355 BasicCegarLoop]: trace histogram [48, 48, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:34,458 INFO L408 AbstractCegarLoop]: === Iteration 51 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:34,458 INFO L82 PathProgramCache]: Analyzing trace with hash 2092004415, now seen corresponding path program 47 times [2018-04-11 13:07:34,459 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:34,504 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:36,046 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:36,046 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-04-11 13:07:36,047 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:36,047 INFO L182 omatonBuilderFactory]: Interpolants [26926#true, 26927#false, 26928#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 26929#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 26930#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26931#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26932#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 26933#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26934#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26935#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26936#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26937#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26938#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26939#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26940#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26941#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26942#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26943#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26944#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26945#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26946#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 26947#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26948#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26949#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26950#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26951#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26952#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26953#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26954#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26955#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26956#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26957#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26958#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 26959#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26960#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26961#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26962#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26963#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26964#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26965#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26966#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26967#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26968#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 26969#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26970#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26971#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 26972#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26973#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26974#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26975#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26976#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26977#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 26978#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 26979#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 26980#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 324) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:07:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:36,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-04-11 13:07:36,048 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-04-11 13:07:36,048 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1195, Invalid=1775, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 13:07:36,048 INFO L87 Difference]: Start difference. First operand 240 states and 242 transitions. Second operand 55 states. [2018-04-11 13:07:38,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:38,428 INFO L93 Difference]: Finished difference Result 625 states and 674 transitions. [2018-04-11 13:07:38,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-11 13:07:38,428 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 205 [2018-04-11 13:07:38,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:38,430 INFO L225 Difference]: With dead ends: 625 [2018-04-11 13:07:38,430 INFO L226 Difference]: Without dead ends: 625 [2018-04-11 13:07:38,430 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1418 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3690, Invalid=6816, Unknown=0, NotChecked=0, Total=10506 [2018-04-11 13:07:38,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2018-04-11 13:07:38,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 244. [2018-04-11 13:07:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-04-11 13:07:38,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 246 transitions. [2018-04-11 13:07:38,435 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 246 transitions. Word has length 205 [2018-04-11 13:07:38,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:38,435 INFO L459 AbstractCegarLoop]: Abstraction has 244 states and 246 transitions. [2018-04-11 13:07:38,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-04-11 13:07:38,435 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 246 transitions. [2018-04-11 13:07:38,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-04-11 13:07:38,436 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:38,436 INFO L355 BasicCegarLoop]: trace histogram [49, 49, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:38,436 INFO L408 AbstractCegarLoop]: === Iteration 52 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:38,437 INFO L82 PathProgramCache]: Analyzing trace with hash 574192406, now seen corresponding path program 48 times [2018-04-11 13:07:38,437 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:38,497 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:40,178 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:40,178 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-04-11 13:07:40,178 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:40,179 INFO L182 omatonBuilderFactory]: Interpolants [27946#true, 27947#false, 27948#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 27949#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 27950#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27951#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27952#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 27953#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27954#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27955#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27956#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27957#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27958#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27959#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27960#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27961#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27962#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27963#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27964#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27965#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27966#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 27967#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27968#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27969#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27970#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27971#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27972#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27973#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27974#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27975#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27976#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27977#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27978#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 27979#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27980#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27981#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27982#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27983#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27984#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27985#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27986#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27987#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27988#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 27989#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27990#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27991#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 27992#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27993#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27994#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27995#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27996#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27997#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 27998#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 27999#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 28000#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 28001#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 320) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:07:40,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:40,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-04-11 13:07:40,179 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-04-11 13:07:40,179 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1244, Invalid=1836, Unknown=0, NotChecked=0, Total=3080 [2018-04-11 13:07:40,179 INFO L87 Difference]: Start difference. First operand 244 states and 246 transitions. Second operand 56 states. [2018-04-11 13:07:42,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:42,612 INFO L93 Difference]: Finished difference Result 637 states and 687 transitions. [2018-04-11 13:07:42,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-04-11 13:07:42,612 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 209 [2018-04-11 13:07:42,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:42,613 INFO L225 Difference]: With dead ends: 637 [2018-04-11 13:07:42,614 INFO L226 Difference]: Without dead ends: 637 [2018-04-11 13:07:42,614 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1472 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=3840, Invalid=7080, Unknown=0, NotChecked=0, Total=10920 [2018-04-11 13:07:42,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2018-04-11 13:07:42,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 248. [2018-04-11 13:07:42,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-04-11 13:07:42,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 250 transitions. [2018-04-11 13:07:42,617 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 250 transitions. Word has length 209 [2018-04-11 13:07:42,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:42,617 INFO L459 AbstractCegarLoop]: Abstraction has 248 states and 250 transitions. [2018-04-11 13:07:42,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-04-11 13:07:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 250 transitions. [2018-04-11 13:07:42,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-04-11 13:07:42,618 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:42,618 INFO L355 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:42,618 INFO L408 AbstractCegarLoop]: === Iteration 53 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:42,619 INFO L82 PathProgramCache]: Analyzing trace with hash 606355053, now seen corresponding path program 49 times [2018-04-11 13:07:42,619 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:42,678 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:44,285 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:44,286 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-04-11 13:07:44,286 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:44,286 INFO L182 omatonBuilderFactory]: Interpolants [28985#true, 28986#false, 28987#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 28988#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 28989#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 28990#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 28991#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 28992#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 28993#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 28994#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 28995#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 28996#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 28997#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 28998#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 28999#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29000#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29001#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29002#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29003#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29004#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29005#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 29006#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29007#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29008#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29009#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29010#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29011#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29012#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29013#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29014#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29015#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29016#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29017#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 29018#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29019#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29020#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29021#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29022#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29023#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29024#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29025#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29026#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29027#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 29028#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29029#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29030#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 29031#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29032#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29033#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29034#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29035#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29036#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 29037#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29038#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29039#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 29040#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 29041#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 316) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:07:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:44,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-04-11 13:07:44,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-04-11 13:07:44,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1294, Invalid=1898, Unknown=0, NotChecked=0, Total=3192 [2018-04-11 13:07:44,287 INFO L87 Difference]: Start difference. First operand 248 states and 250 transitions. Second operand 57 states. [2018-04-11 13:07:46,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:46,806 INFO L93 Difference]: Finished difference Result 649 states and 700 transitions. [2018-04-11 13:07:46,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-04-11 13:07:46,807 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 213 [2018-04-11 13:07:46,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:46,808 INFO L225 Difference]: With dead ends: 649 [2018-04-11 13:07:46,808 INFO L226 Difference]: Without dead ends: 649 [2018-04-11 13:07:46,809 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1527 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=3993, Invalid=7349, Unknown=0, NotChecked=0, Total=11342 [2018-04-11 13:07:46,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2018-04-11 13:07:46,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 252. [2018-04-11 13:07:46,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-04-11 13:07:46,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 254 transitions. [2018-04-11 13:07:46,813 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 254 transitions. Word has length 213 [2018-04-11 13:07:46,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:46,813 INFO L459 AbstractCegarLoop]: Abstraction has 252 states and 254 transitions. [2018-04-11 13:07:46,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-04-11 13:07:46,814 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 254 transitions. [2018-04-11 13:07:46,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-04-11 13:07:46,814 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:46,815 INFO L355 BasicCegarLoop]: trace histogram [51, 51, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:46,815 INFO L408 AbstractCegarLoop]: === Iteration 54 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:46,815 INFO L82 PathProgramCache]: Analyzing trace with hash -507543996, now seen corresponding path program 50 times [2018-04-11 13:07:46,815 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:46,964 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:48,585 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:48,586 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-04-11 13:07:48,586 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:48,586 INFO L182 omatonBuilderFactory]: Interpolants [30080#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30081#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30082#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30083#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30084#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30085#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 30086#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30087#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30088#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 30089#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30090#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30091#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30092#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30093#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30094#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 30095#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30096#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30097#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30098#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30099#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 30100#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 312) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base))), 30043#true, 30044#false, 30045#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 30046#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 30047#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30048#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30049#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 30050#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30051#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30052#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30053#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30054#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30055#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30056#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30057#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30058#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30059#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30060#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30061#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30062#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30063#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 30064#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30065#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30066#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30067#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30068#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30069#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30070#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30071#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30072#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30073#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30074#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30075#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 30076#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30077#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30078#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 30079#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:07:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:48,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-04-11 13:07:48,587 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-04-11 13:07:48,587 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1345, Invalid=1961, Unknown=0, NotChecked=0, Total=3306 [2018-04-11 13:07:48,587 INFO L87 Difference]: Start difference. First operand 252 states and 254 transitions. Second operand 58 states. [2018-04-11 13:07:51,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:51,060 INFO L93 Difference]: Finished difference Result 661 states and 713 transitions. [2018-04-11 13:07:51,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-04-11 13:07:51,061 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 217 [2018-04-11 13:07:51,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:51,062 INFO L225 Difference]: With dead ends: 661 [2018-04-11 13:07:51,062 INFO L226 Difference]: Without dead ends: 661 [2018-04-11 13:07:51,062 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1583 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=4149, Invalid=7623, Unknown=0, NotChecked=0, Total=11772 [2018-04-11 13:07:51,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2018-04-11 13:07:51,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 256. [2018-04-11 13:07:51,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-04-11 13:07:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 258 transitions. [2018-04-11 13:07:51,065 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 258 transitions. Word has length 217 [2018-04-11 13:07:51,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:51,065 INFO L459 AbstractCegarLoop]: Abstraction has 256 states and 258 transitions. [2018-04-11 13:07:51,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-04-11 13:07:51,065 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 258 transitions. [2018-04-11 13:07:51,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-04-11 13:07:51,066 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:51,066 INFO L355 BasicCegarLoop]: trace histogram [52, 52, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:51,066 INFO L408 AbstractCegarLoop]: === Iteration 55 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:51,066 INFO L82 PathProgramCache]: Analyzing trace with hash -579274085, now seen corresponding path program 51 times [2018-04-11 13:07:51,066 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:51,118 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:52,935 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:52,935 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-04-11 13:07:52,935 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:52,936 INFO L182 omatonBuilderFactory]: Interpolants [31120#true, 31121#false, 31122#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 31123#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 31124#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31125#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31126#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 31127#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31128#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31129#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31130#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31131#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31132#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31133#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31134#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31135#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31136#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31137#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31138#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31139#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31140#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 31141#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31142#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31143#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31144#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31145#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31146#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31147#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31148#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31149#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31150#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31151#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31152#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 31153#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31154#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31155#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31156#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31157#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31158#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31159#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31160#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31161#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31162#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 31163#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31164#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31165#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 31166#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31167#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31168#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31169#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31170#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31171#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 31172#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31173#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31174#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31175#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31176#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31177#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 31178#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 308) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:07:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:52,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-04-11 13:07:52,936 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-04-11 13:07:52,936 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1397, Invalid=2025, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 13:07:52,936 INFO L87 Difference]: Start difference. First operand 256 states and 258 transitions. Second operand 59 states. [2018-04-11 13:07:55,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:07:55,654 INFO L93 Difference]: Finished difference Result 673 states and 726 transitions. [2018-04-11 13:07:55,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-04-11 13:07:55,654 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 221 [2018-04-11 13:07:55,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:07:55,656 INFO L225 Difference]: With dead ends: 673 [2018-04-11 13:07:55,656 INFO L226 Difference]: Without dead ends: 673 [2018-04-11 13:07:55,657 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1640 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=4308, Invalid=7902, Unknown=0, NotChecked=0, Total=12210 [2018-04-11 13:07:55,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2018-04-11 13:07:55,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 260. [2018-04-11 13:07:55,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-04-11 13:07:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 262 transitions. [2018-04-11 13:07:55,659 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 262 transitions. Word has length 221 [2018-04-11 13:07:55,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:07:55,659 INFO L459 AbstractCegarLoop]: Abstraction has 260 states and 262 transitions. [2018-04-11 13:07:55,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-04-11 13:07:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 262 transitions. [2018-04-11 13:07:55,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-04-11 13:07:55,660 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:07:55,660 INFO L355 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:07:55,660 INFO L408 AbstractCegarLoop]: === Iteration 56 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:07:55,660 INFO L82 PathProgramCache]: Analyzing trace with hash 752776050, now seen corresponding path program 52 times [2018-04-11 13:07:55,661 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:07:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:07:55,736 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:07:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:57,535 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:07:57,535 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-04-11 13:07:57,535 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:07:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:57,536 INFO L182 omatonBuilderFactory]: Interpolants [32256#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32257#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32258#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 32259#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32260#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32261#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 32262#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32263#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32264#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32265#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32266#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32267#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 32268#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32269#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32270#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32271#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32272#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32273#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32274#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 32275#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 304) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 32216#true, 32217#false, 32218#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 32219#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 32220#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32221#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32222#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 32223#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32224#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32225#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32226#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32227#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32228#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32229#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32230#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32231#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32232#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32233#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32234#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32235#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32236#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 32237#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32238#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32239#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32240#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32241#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32242#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32243#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32244#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32245#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32246#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32247#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32248#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 32249#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32250#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32251#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32252#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32253#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32254#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 32255#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:07:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:07:57,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-04-11 13:07:57,536 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-04-11 13:07:57,536 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1450, Invalid=2090, Unknown=0, NotChecked=0, Total=3540 [2018-04-11 13:07:57,536 INFO L87 Difference]: Start difference. First operand 260 states and 262 transitions. Second operand 60 states. [2018-04-11 13:08:00,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:08:00,128 INFO L93 Difference]: Finished difference Result 685 states and 739 transitions. [2018-04-11 13:08:00,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-04-11 13:08:00,129 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 225 [2018-04-11 13:08:00,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:08:00,130 INFO L225 Difference]: With dead ends: 685 [2018-04-11 13:08:00,130 INFO L226 Difference]: Without dead ends: 685 [2018-04-11 13:08:00,131 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1698 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=4470, Invalid=8186, Unknown=0, NotChecked=0, Total=12656 [2018-04-11 13:08:00,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2018-04-11 13:08:00,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 264. [2018-04-11 13:08:00,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-04-11 13:08:00,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 266 transitions. [2018-04-11 13:08:00,134 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 266 transitions. Word has length 225 [2018-04-11 13:08:00,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:08:00,134 INFO L459 AbstractCegarLoop]: Abstraction has 264 states and 266 transitions. [2018-04-11 13:08:00,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-04-11 13:08:00,134 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 266 transitions. [2018-04-11 13:08:00,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-04-11 13:08:00,135 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:08:00,135 INFO L355 BasicCegarLoop]: trace histogram [54, 54, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:08:00,135 INFO L408 AbstractCegarLoop]: === Iteration 57 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:08:00,135 INFO L82 PathProgramCache]: Analyzing trace with hash -392320823, now seen corresponding path program 53 times [2018-04-11 13:08:00,136 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:08:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:08:00,197 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:08:02,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:02,490 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:08:02,490 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-04-11 13:08:02,490 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:08:02,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:02,491 INFO L182 omatonBuilderFactory]: Interpolants [33331#true, 33332#false, 33333#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 33334#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 33335#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33336#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33337#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 33338#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33339#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33340#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33341#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33342#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33343#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33344#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33345#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33346#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33347#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33348#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33349#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33350#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33351#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 33352#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33353#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33354#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33355#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33356#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33357#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33358#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33359#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33360#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33361#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33362#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33363#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 33364#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33365#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33366#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33367#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33368#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33369#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33370#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33371#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33372#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33373#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 33374#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33375#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33376#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 33377#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33378#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33379#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33380#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33381#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33382#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 33383#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33384#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33385#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33386#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33387#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 33388#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 33389#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 33390#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 33391#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 300) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:08:02,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:02,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-04-11 13:08:02,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-04-11 13:08:02,492 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1504, Invalid=2156, Unknown=0, NotChecked=0, Total=3660 [2018-04-11 13:08:02,492 INFO L87 Difference]: Start difference. First operand 264 states and 266 transitions. Second operand 61 states. [2018-04-11 13:08:05,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:08:05,359 INFO L93 Difference]: Finished difference Result 697 states and 752 transitions. [2018-04-11 13:08:05,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-04-11 13:08:05,359 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 229 [2018-04-11 13:08:05,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:08:05,361 INFO L225 Difference]: With dead ends: 697 [2018-04-11 13:08:05,361 INFO L226 Difference]: Without dead ends: 697 [2018-04-11 13:08:05,361 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1757 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=4635, Invalid=8475, Unknown=0, NotChecked=0, Total=13110 [2018-04-11 13:08:05,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2018-04-11 13:08:05,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 268. [2018-04-11 13:08:05,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-04-11 13:08:05,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 270 transitions. [2018-04-11 13:08:05,364 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 270 transitions. Word has length 229 [2018-04-11 13:08:05,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:08:05,364 INFO L459 AbstractCegarLoop]: Abstraction has 268 states and 270 transitions. [2018-04-11 13:08:05,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-04-11 13:08:05,364 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 270 transitions. [2018-04-11 13:08:05,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-04-11 13:08:05,364 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:08:05,364 INFO L355 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:08:05,364 INFO L408 AbstractCegarLoop]: === Iteration 58 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:08:05,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1669047648, now seen corresponding path program 54 times [2018-04-11 13:08:05,365 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:08:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:08:05,418 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:08:07,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:07,364 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:08:07,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-04-11 13:08:07,364 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:08:07,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:07,364 INFO L182 omatonBuilderFactory]: Interpolants [34465#true, 34466#false, 34467#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 34468#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 34469#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34470#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34471#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 34472#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34473#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34474#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34475#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34476#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34477#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34478#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34479#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34480#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34481#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34482#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34483#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34484#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34485#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 34486#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34487#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34488#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34489#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34490#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34491#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34492#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34493#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34494#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34495#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34496#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34497#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 34498#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34499#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34500#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34501#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34502#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34503#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34504#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34505#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34506#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34507#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 34508#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34509#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34510#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 34511#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34512#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34513#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34514#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34515#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34516#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 34517#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34518#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34519#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34520#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34521#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 34522#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 34523#(and (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 34524#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 34525#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 34526#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 296) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:08:07,365 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:07,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-04-11 13:08:07,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-04-11 13:08:07,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1559, Invalid=2223, Unknown=0, NotChecked=0, Total=3782 [2018-04-11 13:08:07,365 INFO L87 Difference]: Start difference. First operand 268 states and 270 transitions. Second operand 62 states. [2018-04-11 13:08:10,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:08:10,241 INFO L93 Difference]: Finished difference Result 709 states and 765 transitions. [2018-04-11 13:08:10,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-04-11 13:08:10,241 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 233 [2018-04-11 13:08:10,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:08:10,243 INFO L225 Difference]: With dead ends: 709 [2018-04-11 13:08:10,243 INFO L226 Difference]: Without dead ends: 709 [2018-04-11 13:08:10,243 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1817 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=4803, Invalid=8769, Unknown=0, NotChecked=0, Total=13572 [2018-04-11 13:08:10,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2018-04-11 13:08:10,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 272. [2018-04-11 13:08:10,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-04-11 13:08:10,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 274 transitions. [2018-04-11 13:08:10,246 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 274 transitions. Word has length 233 [2018-04-11 13:08:10,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:08:10,246 INFO L459 AbstractCegarLoop]: Abstraction has 272 states and 274 transitions. [2018-04-11 13:08:10,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-04-11 13:08:10,246 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 274 transitions. [2018-04-11 13:08:10,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-04-11 13:08:10,247 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:08:10,247 INFO L355 BasicCegarLoop]: trace histogram [56, 56, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:08:10,247 INFO L408 AbstractCegarLoop]: === Iteration 59 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:08:10,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1216329481, now seen corresponding path program 55 times [2018-04-11 13:08:10,247 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:08:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:08:10,321 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:08:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:12,260 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:08:12,261 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-04-11 13:08:12,261 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:08:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:12,261 INFO L182 omatonBuilderFactory]: Interpolants [35618#true, 35619#false, 35620#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 35621#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 35622#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35623#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35624#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 35625#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35626#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35627#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35628#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35629#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35630#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35631#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35632#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35633#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35634#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35635#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35636#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35637#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35638#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 35639#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35640#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35641#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35642#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35643#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35644#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35645#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35646#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35647#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35648#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35649#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35650#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 35651#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35652#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35653#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35654#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35655#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35656#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35657#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35658#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35659#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35660#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 35661#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35662#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35663#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 35664#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35665#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35666#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35667#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35668#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35669#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 35670#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35671#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35672#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35673#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35674#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 35675#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 35676#(and (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 35677#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 35678#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 35679#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 35680#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 292) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:08:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:12,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-04-11 13:08:12,262 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-04-11 13:08:12,262 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1615, Invalid=2291, Unknown=0, NotChecked=0, Total=3906 [2018-04-11 13:08:12,262 INFO L87 Difference]: Start difference. First operand 272 states and 274 transitions. Second operand 63 states. [2018-04-11 13:08:15,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:08:15,287 INFO L93 Difference]: Finished difference Result 721 states and 778 transitions. [2018-04-11 13:08:15,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-04-11 13:08:15,288 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 237 [2018-04-11 13:08:15,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:08:15,289 INFO L225 Difference]: With dead ends: 721 [2018-04-11 13:08:15,289 INFO L226 Difference]: Without dead ends: 721 [2018-04-11 13:08:15,290 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1878 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=4974, Invalid=9068, Unknown=0, NotChecked=0, Total=14042 [2018-04-11 13:08:15,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-04-11 13:08:15,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 276. [2018-04-11 13:08:15,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-04-11 13:08:15,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 278 transitions. [2018-04-11 13:08:15,292 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 278 transitions. Word has length 237 [2018-04-11 13:08:15,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:08:15,293 INFO L459 AbstractCegarLoop]: Abstraction has 276 states and 278 transitions. [2018-04-11 13:08:15,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-04-11 13:08:15,293 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 278 transitions. [2018-04-11 13:08:15,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-04-11 13:08:15,293 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:08:15,293 INFO L355 BasicCegarLoop]: trace histogram [57, 57, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:08:15,293 INFO L408 AbstractCegarLoop]: === Iteration 60 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:08:15,293 INFO L82 PathProgramCache]: Analyzing trace with hash -73452594, now seen corresponding path program 56 times [2018-04-11 13:08:15,294 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:08:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:08:15,357 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:08:17,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:17,421 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:08:17,450 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-04-11 13:08:17,451 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:08:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:17,451 INFO L182 omatonBuilderFactory]: Interpolants [36790#true, 36791#false, 36792#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 36793#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 36794#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36795#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36796#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 36797#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36798#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36799#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36800#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36801#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36802#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36803#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36804#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36805#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36806#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36807#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36808#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36809#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36810#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 36811#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36812#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36813#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36814#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36815#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36816#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36817#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36818#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36819#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36820#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36821#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36822#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 36823#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36824#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36825#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36826#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36827#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36828#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36829#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36830#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36831#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36832#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 36833#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36834#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36835#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 36836#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36837#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36838#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36839#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36840#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36841#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 36842#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36843#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36844#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36845#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36846#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36847#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 36848#(and (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 36849#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 36850#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36851#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 36852#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 36853#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 288) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)))] [2018-04-11 13:08:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:17,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-04-11 13:08:17,452 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-04-11 13:08:17,452 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1672, Invalid=2360, Unknown=0, NotChecked=0, Total=4032 [2018-04-11 13:08:17,452 INFO L87 Difference]: Start difference. First operand 276 states and 278 transitions. Second operand 64 states. [2018-04-11 13:08:20,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:08:20,686 INFO L93 Difference]: Finished difference Result 733 states and 791 transitions. [2018-04-11 13:08:20,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-04-11 13:08:20,686 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 241 [2018-04-11 13:08:20,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:08:20,688 INFO L225 Difference]: With dead ends: 733 [2018-04-11 13:08:20,688 INFO L226 Difference]: Without dead ends: 733 [2018-04-11 13:08:20,688 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1940 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=5148, Invalid=9372, Unknown=0, NotChecked=0, Total=14520 [2018-04-11 13:08:20,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2018-04-11 13:08:20,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 280. [2018-04-11 13:08:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2018-04-11 13:08:20,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 282 transitions. [2018-04-11 13:08:20,691 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 282 transitions. Word has length 241 [2018-04-11 13:08:20,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:08:20,691 INFO L459 AbstractCegarLoop]: Abstraction has 280 states and 282 transitions. [2018-04-11 13:08:20,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-04-11 13:08:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 282 transitions. [2018-04-11 13:08:20,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-04-11 13:08:20,692 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:08:20,692 INFO L355 BasicCegarLoop]: trace histogram [58, 58, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:08:20,692 INFO L408 AbstractCegarLoop]: === Iteration 61 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:08:20,692 INFO L82 PathProgramCache]: Analyzing trace with hash -301016283, now seen corresponding path program 57 times [2018-04-11 13:08:20,693 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:08:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:08:20,759 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:08:22,769 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:22,769 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:08:22,769 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-04-11 13:08:22,769 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:08:22,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:22,769 INFO L182 omatonBuilderFactory]: Interpolants [38016#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38017#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38018#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38019#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38020#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38021#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38022#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38023#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 38024#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38025#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38026#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 38027#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38028#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38029#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38030#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38031#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38032#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 38033#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38034#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38035#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38036#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38037#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38038#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 38039#(and (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 38040#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 38041#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38042#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38043#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38044#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 38045#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 284) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 37981#true, 37982#false, 37983#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 37984#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 37985#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 37986#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 37987#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 37988#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 37989#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 37990#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 37991#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 37992#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 37993#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 37994#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 37995#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 37996#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 37997#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 37998#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 37999#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38000#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38001#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 38002#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38003#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38004#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38005#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38006#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38007#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38008#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38009#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38010#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38011#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38012#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38013#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 38014#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 38015#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:08:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:22,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-04-11 13:08:22,770 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-04-11 13:08:22,770 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1730, Invalid=2430, Unknown=0, NotChecked=0, Total=4160 [2018-04-11 13:08:22,770 INFO L87 Difference]: Start difference. First operand 280 states and 282 transitions. Second operand 65 states. [2018-04-11 13:08:25,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:08:25,837 INFO L93 Difference]: Finished difference Result 745 states and 804 transitions. [2018-04-11 13:08:25,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-04-11 13:08:25,837 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 245 [2018-04-11 13:08:25,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:08:25,839 INFO L225 Difference]: With dead ends: 745 [2018-04-11 13:08:25,839 INFO L226 Difference]: Without dead ends: 745 [2018-04-11 13:08:25,839 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2003 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=5325, Invalid=9681, Unknown=0, NotChecked=0, Total=15006 [2018-04-11 13:08:25,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-04-11 13:08:25,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 284. [2018-04-11 13:08:25,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-04-11 13:08:25,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 286 transitions. [2018-04-11 13:08:25,842 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 286 transitions. Word has length 245 [2018-04-11 13:08:25,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:08:25,842 INFO L459 AbstractCegarLoop]: Abstraction has 284 states and 286 transitions. [2018-04-11 13:08:25,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-04-11 13:08:25,843 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 286 transitions. [2018-04-11 13:08:25,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-04-11 13:08:25,843 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:08:25,843 INFO L355 BasicCegarLoop]: trace histogram [59, 59, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:08:25,844 INFO L408 AbstractCegarLoop]: === Iteration 62 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:08:25,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1193082620, now seen corresponding path program 58 times [2018-04-11 13:08:25,844 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:08:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:08:25,914 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:08:28,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:28,075 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:08:28,075 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-04-11 13:08:28,075 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:08:28,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:28,075 INFO L182 omatonBuilderFactory]: Interpolants [39191#true, 39192#false, 39193#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 39194#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 39195#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39196#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39197#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 39198#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39199#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39200#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39201#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39202#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39203#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39204#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39205#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39206#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39207#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39208#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39209#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39210#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39211#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 39212#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39213#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39214#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39215#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39216#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39217#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39218#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39219#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39220#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39221#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39222#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39223#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 39224#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39225#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39226#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39227#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39228#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39229#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39230#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39231#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39232#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39233#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 39234#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39235#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39236#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 39237#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39238#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39239#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39240#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39241#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39242#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 39243#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39244#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39245#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39246#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39247#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39248#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 39249#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 39250#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 39251#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39252#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39253#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39254#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 39255#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 39256#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 280) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:08:28,076 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:28,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-04-11 13:08:28,076 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-04-11 13:08:28,076 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1789, Invalid=2501, Unknown=0, NotChecked=0, Total=4290 [2018-04-11 13:08:28,076 INFO L87 Difference]: Start difference. First operand 284 states and 286 transitions. Second operand 66 states. [2018-04-11 13:08:31,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:08:31,424 INFO L93 Difference]: Finished difference Result 757 states and 817 transitions. [2018-04-11 13:08:31,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-04-11 13:08:31,425 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 249 [2018-04-11 13:08:31,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:08:31,426 INFO L225 Difference]: With dead ends: 757 [2018-04-11 13:08:31,426 INFO L226 Difference]: Without dead ends: 757 [2018-04-11 13:08:31,427 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2067 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=5505, Invalid=9995, Unknown=0, NotChecked=0, Total=15500 [2018-04-11 13:08:31,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2018-04-11 13:08:31,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 288. [2018-04-11 13:08:31,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-04-11 13:08:31,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 290 transitions. [2018-04-11 13:08:31,430 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 290 transitions. Word has length 249 [2018-04-11 13:08:31,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:08:31,430 INFO L459 AbstractCegarLoop]: Abstraction has 288 states and 290 transitions. [2018-04-11 13:08:31,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-04-11 13:08:31,430 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 290 transitions. [2018-04-11 13:08:31,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-04-11 13:08:31,431 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:08:31,431 INFO L355 BasicCegarLoop]: trace histogram [60, 60, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:08:31,431 INFO L408 AbstractCegarLoop]: === Iteration 63 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:08:31,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1647796051, now seen corresponding path program 59 times [2018-04-11 13:08:31,431 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:08:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:08:31,546 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:08:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:33,798 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:08:33,798 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-04-11 13:08:33,798 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:08:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:33,798 INFO L182 omatonBuilderFactory]: Interpolants [40448#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40449#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40450#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40451#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40452#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 40453#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40454#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40455#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40456#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40457#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40458#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40459#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40460#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40461#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40462#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 40463#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40464#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40465#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 40466#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40467#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40468#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40469#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40470#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40471#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 40472#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40473#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40474#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40475#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40476#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40477#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 40478#(and (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 40479#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 40480#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40481#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40482#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40483#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40484#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40485#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40486#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 276) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 40420#true, 40421#false, 40422#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 40423#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 40424#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40425#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40426#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 40427#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40428#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40429#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40430#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40431#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40432#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40433#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40434#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40435#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40436#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40437#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40438#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40439#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40440#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 40441#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40442#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40443#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40444#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40445#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40446#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 40447#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:08:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:33,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-04-11 13:08:33,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-04-11 13:08:33,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1849, Invalid=2573, Unknown=0, NotChecked=0, Total=4422 [2018-04-11 13:08:33,799 INFO L87 Difference]: Start difference. First operand 288 states and 290 transitions. Second operand 67 states. [2018-04-11 13:08:37,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:08:37,001 INFO L93 Difference]: Finished difference Result 769 states and 830 transitions. [2018-04-11 13:08:37,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-04-11 13:08:37,001 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 253 [2018-04-11 13:08:37,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:08:37,002 INFO L225 Difference]: With dead ends: 769 [2018-04-11 13:08:37,002 INFO L226 Difference]: Without dead ends: 769 [2018-04-11 13:08:37,003 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2132 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=5688, Invalid=10314, Unknown=0, NotChecked=0, Total=16002 [2018-04-11 13:08:37,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2018-04-11 13:08:37,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 292. [2018-04-11 13:08:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-04-11 13:08:37,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 294 transitions. [2018-04-11 13:08:37,006 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 294 transitions. Word has length 253 [2018-04-11 13:08:37,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:08:37,007 INFO L459 AbstractCegarLoop]: Abstraction has 292 states and 294 transitions. [2018-04-11 13:08:37,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-04-11 13:08:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 294 transitions. [2018-04-11 13:08:37,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-04-11 13:08:37,007 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:08:37,007 INFO L355 BasicCegarLoop]: trace histogram [61, 61, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:08:37,007 INFO L408 AbstractCegarLoop]: === Iteration 64 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:08:37,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1377059798, now seen corresponding path program 60 times [2018-04-11 13:08:37,008 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:08:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:08:37,082 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:08:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:39,336 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:08:39,337 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-04-11 13:08:39,337 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:08:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:39,337 INFO L182 omatonBuilderFactory]: Interpolants [41728#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41729#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41730#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41731#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41732#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41733#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41734#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 41735#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 272) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base))), 41668#true, 41669#false, 41670#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 41671#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 41672#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41673#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41674#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 41675#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41676#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41677#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41678#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41679#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41680#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41681#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41682#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41683#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41684#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41685#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41686#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41687#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41688#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 41689#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41690#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41691#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41692#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41693#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41694#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41695#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41696#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41697#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41698#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41699#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41700#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 41701#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41702#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41703#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41704#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41705#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41706#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41707#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41708#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41709#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41710#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 41711#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41712#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41713#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 41714#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41715#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41716#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41717#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41718#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41719#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 41720#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41721#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41722#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41723#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41724#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 41725#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 41726#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 41727#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0))] [2018-04-11 13:08:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:39,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-04-11 13:08:39,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-04-11 13:08:39,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1910, Invalid=2646, Unknown=0, NotChecked=0, Total=4556 [2018-04-11 13:08:39,339 INFO L87 Difference]: Start difference. First operand 292 states and 294 transitions. Second operand 68 states. [2018-04-11 13:08:42,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:08:42,532 INFO L93 Difference]: Finished difference Result 781 states and 843 transitions. [2018-04-11 13:08:42,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-04-11 13:08:42,532 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 257 [2018-04-11 13:08:42,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:08:42,534 INFO L225 Difference]: With dead ends: 781 [2018-04-11 13:08:42,534 INFO L226 Difference]: Without dead ends: 781 [2018-04-11 13:08:42,534 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2198 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=5874, Invalid=10638, Unknown=0, NotChecked=0, Total=16512 [2018-04-11 13:08:42,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2018-04-11 13:08:42,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 296. [2018-04-11 13:08:42,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-04-11 13:08:42,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 298 transitions. [2018-04-11 13:08:42,538 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 298 transitions. Word has length 257 [2018-04-11 13:08:42,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:08:42,538 INFO L459 AbstractCegarLoop]: Abstraction has 296 states and 298 transitions. [2018-04-11 13:08:42,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-04-11 13:08:42,538 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 298 transitions. [2018-04-11 13:08:42,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-04-11 13:08:42,539 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:08:42,539 INFO L355 BasicCegarLoop]: trace histogram [62, 62, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:08:42,539 INFO L408 AbstractCegarLoop]: === Iteration 65 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:08:42,540 INFO L82 PathProgramCache]: Analyzing trace with hash 468178305, now seen corresponding path program 61 times [2018-04-11 13:08:42,540 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:08:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:08:42,609 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:08:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:44,890 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:08:44,890 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-04-11 13:08:44,890 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:08:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:44,891 INFO L182 omatonBuilderFactory]: Interpolants [42935#true, 42936#false, 42937#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 42938#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 42939#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42940#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42941#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 42942#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42943#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42944#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42945#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42946#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42947#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42948#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42949#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42950#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42951#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42952#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42953#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42954#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42955#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 42956#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42957#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42958#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42959#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42960#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42961#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42962#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42963#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42964#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42965#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42966#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42967#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 42968#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42969#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42970#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42971#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42972#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42973#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42974#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42975#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42976#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42977#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 42978#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42979#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42980#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 42981#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42982#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42983#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42984#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42985#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42986#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 42987#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42988#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42989#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42990#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42991#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42992#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 42993#(and (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 42994#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 42995#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42996#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42997#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42998#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 42999#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 43000#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 43001#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 43002#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 67) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 43003#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 268) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:08:44,891 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:44,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-04-11 13:08:44,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-04-11 13:08:44,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1972, Invalid=2720, Unknown=0, NotChecked=0, Total=4692 [2018-04-11 13:08:44,892 INFO L87 Difference]: Start difference. First operand 296 states and 298 transitions. Second operand 69 states. [2018-04-11 13:08:48,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:08:48,443 INFO L93 Difference]: Finished difference Result 793 states and 856 transitions. [2018-04-11 13:08:48,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-04-11 13:08:48,443 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 261 [2018-04-11 13:08:48,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:08:48,445 INFO L225 Difference]: With dead ends: 793 [2018-04-11 13:08:48,445 INFO L226 Difference]: Without dead ends: 793 [2018-04-11 13:08:48,446 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2265 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=6063, Invalid=10967, Unknown=0, NotChecked=0, Total=17030 [2018-04-11 13:08:48,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-04-11 13:08:48,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 300. [2018-04-11 13:08:48,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2018-04-11 13:08:48,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 302 transitions. [2018-04-11 13:08:48,449 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 302 transitions. Word has length 261 [2018-04-11 13:08:48,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:08:48,449 INFO L459 AbstractCegarLoop]: Abstraction has 300 states and 302 transitions. [2018-04-11 13:08:48,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-04-11 13:08:48,450 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 302 transitions. [2018-04-11 13:08:48,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-04-11 13:08:48,450 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:08:48,450 INFO L355 BasicCegarLoop]: trace histogram [63, 63, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:08:48,450 INFO L408 AbstractCegarLoop]: === Iteration 66 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:08:48,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1862702248, now seen corresponding path program 62 times [2018-04-11 13:08:48,451 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:08:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:08:48,535 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:08:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:50,963 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:08:50,963 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-04-11 13:08:50,963 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:08:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:50,964 INFO L182 omatonBuilderFactory]: Interpolants [44288#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 67) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 44289#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 66) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44290#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 264) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 44221#true, 44222#false, 44223#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 44224#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 44225#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44226#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44227#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 44228#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44229#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44230#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44231#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44232#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44233#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44234#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44235#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44236#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44237#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44238#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44239#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44240#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44241#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 44242#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44243#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44244#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44245#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44246#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44247#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44248#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44249#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44250#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44251#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44252#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44253#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 44254#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44255#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44256#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44257#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44258#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44259#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44260#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44261#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44262#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44263#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 44264#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44265#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44266#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 44267#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44268#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44269#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44270#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44271#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44272#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 44273#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44274#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44275#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44276#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44277#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44278#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 44279#(and (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 44280#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 44281#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44282#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44283#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44284#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44285#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 44286#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 44287#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 67) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0))] [2018-04-11 13:08:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:50,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-04-11 13:08:50,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-04-11 13:08:50,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2035, Invalid=2795, Unknown=0, NotChecked=0, Total=4830 [2018-04-11 13:08:50,965 INFO L87 Difference]: Start difference. First operand 300 states and 302 transitions. Second operand 70 states. [2018-04-11 13:08:54,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:08:54,723 INFO L93 Difference]: Finished difference Result 805 states and 869 transitions. [2018-04-11 13:08:54,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-04-11 13:08:54,723 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 265 [2018-04-11 13:08:54,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:08:54,725 INFO L225 Difference]: With dead ends: 805 [2018-04-11 13:08:54,725 INFO L226 Difference]: Without dead ends: 805 [2018-04-11 13:08:54,726 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2333 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=6255, Invalid=11301, Unknown=0, NotChecked=0, Total=17556 [2018-04-11 13:08:54,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2018-04-11 13:08:54,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 304. [2018-04-11 13:08:54,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2018-04-11 13:08:54,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 306 transitions. [2018-04-11 13:08:54,729 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 306 transitions. Word has length 265 [2018-04-11 13:08:54,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:08:54,729 INFO L459 AbstractCegarLoop]: Abstraction has 304 states and 306 transitions. [2018-04-11 13:08:54,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-04-11 13:08:54,729 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 306 transitions. [2018-04-11 13:08:54,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-04-11 13:08:54,729 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:08:54,730 INFO L355 BasicCegarLoop]: trace histogram [64, 64, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:08:54,730 INFO L408 AbstractCegarLoop]: === Iteration 67 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:08:54,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1426996655, now seen corresponding path program 63 times [2018-04-11 13:08:54,730 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:08:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:08:54,824 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:08:57,452 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:57,452 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:08:57,453 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-04-11 13:08:57,453 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:08:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:57,453 INFO L182 omatonBuilderFactory]: Interpolants [45568#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 45569#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45570#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45571#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 45572#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45573#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45574#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45575#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45576#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45577#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 45578#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45579#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45580#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45581#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45582#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45583#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 45584#(and (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 45585#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 45586#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45587#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45588#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45589#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45590#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45591#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 45592#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 67) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 45593#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 66) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45594#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 66) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45595#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 65) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 45596#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 260) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base))), 45526#true, 45527#false, 45528#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 45529#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 45530#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45531#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45532#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 45533#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45534#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45535#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45536#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45537#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45538#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45539#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45540#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45541#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45542#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45543#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45544#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45545#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45546#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 45547#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45548#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45549#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45550#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45551#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45552#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45553#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45554#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45555#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45556#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45557#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45558#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 45559#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45560#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45561#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45562#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45563#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45564#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45565#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45566#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 45567#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:08:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:08:57,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-04-11 13:08:57,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-04-11 13:08:57,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2099, Invalid=2871, Unknown=0, NotChecked=0, Total=4970 [2018-04-11 13:08:57,454 INFO L87 Difference]: Start difference. First operand 304 states and 306 transitions. Second operand 71 states. [2018-04-11 13:09:01,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:01,234 INFO L93 Difference]: Finished difference Result 817 states and 882 transitions. [2018-04-11 13:09:01,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-04-11 13:09:01,234 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 269 [2018-04-11 13:09:01,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:01,236 INFO L225 Difference]: With dead ends: 817 [2018-04-11 13:09:01,236 INFO L226 Difference]: Without dead ends: 817 [2018-04-11 13:09:01,237 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2402 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=6450, Invalid=11640, Unknown=0, NotChecked=0, Total=18090 [2018-04-11 13:09:01,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2018-04-11 13:09:01,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 308. [2018-04-11 13:09:01,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-04-11 13:09:01,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 310 transitions. [2018-04-11 13:09:01,242 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 310 transitions. Word has length 269 [2018-04-11 13:09:01,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:01,243 INFO L459 AbstractCegarLoop]: Abstraction has 308 states and 310 transitions. [2018-04-11 13:09:01,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-04-11 13:09:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 310 transitions. [2018-04-11 13:09:01,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-04-11 13:09:01,244 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:01,244 INFO L355 BasicCegarLoop]: trace histogram [65, 65, 64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:01,244 INFO L408 AbstractCegarLoop]: === Iteration 68 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:01,245 INFO L82 PathProgramCache]: Analyzing trace with hash -2093740922, now seen corresponding path program 64 times [2018-04-11 13:09:01,245 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:01,376 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:04,177 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:04,177 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:04,177 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-04-11 13:09:04,178 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:04,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:04,178 INFO L182 omatonBuilderFactory]: Interpolants [46850#true, 46851#false, 46852#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 46853#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 46854#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46855#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46856#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 46857#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46858#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46859#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46860#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46861#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46862#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46863#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46864#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46865#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46866#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46867#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46868#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46869#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46870#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 46871#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46872#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46873#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46874#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46875#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46876#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46877#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46878#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46879#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46880#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46881#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46882#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 46883#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46884#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46885#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46886#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46887#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46888#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46889#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46890#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46891#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46892#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 46893#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46894#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46895#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 46896#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46897#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46898#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46899#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46900#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46901#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 46902#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46903#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46904#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46905#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46906#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46907#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 46908#(and (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 46909#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 46910#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46911#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46912#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46913#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46914#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46915#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 46916#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 67) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 46917#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 66) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46918#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 65) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46919#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 65) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 46920#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 64) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 46921#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 256) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:09:04,178 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:04,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-04-11 13:09:04,179 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-04-11 13:09:04,179 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2164, Invalid=2948, Unknown=0, NotChecked=0, Total=5112 [2018-04-11 13:09:04,179 INFO L87 Difference]: Start difference. First operand 308 states and 310 transitions. Second operand 72 states. [2018-04-11 13:09:08,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:08,176 INFO L93 Difference]: Finished difference Result 829 states and 895 transitions. [2018-04-11 13:09:08,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-04-11 13:09:08,176 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 273 [2018-04-11 13:09:08,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:08,178 INFO L225 Difference]: With dead ends: 829 [2018-04-11 13:09:08,178 INFO L226 Difference]: Without dead ends: 829 [2018-04-11 13:09:08,179 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2472 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=6648, Invalid=11984, Unknown=0, NotChecked=0, Total=18632 [2018-04-11 13:09:08,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2018-04-11 13:09:08,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 312. [2018-04-11 13:09:08,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-04-11 13:09:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 314 transitions. [2018-04-11 13:09:08,182 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 314 transitions. Word has length 273 [2018-04-11 13:09:08,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:08,183 INFO L459 AbstractCegarLoop]: Abstraction has 312 states and 314 transitions. [2018-04-11 13:09:08,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-04-11 13:09:08,183 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 314 transitions. [2018-04-11 13:09:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-04-11 13:09:08,183 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:08,183 INFO L355 BasicCegarLoop]: trace histogram [66, 66, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:08,183 INFO L408 AbstractCegarLoop]: === Iteration 69 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:08,184 INFO L82 PathProgramCache]: Analyzing trace with hash 2040043485, now seen corresponding path program 65 times [2018-04-11 13:09:08,184 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:08,292 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:11,011 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:11,011 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-04-11 13:09:11,011 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:11,011 INFO L182 omatonBuilderFactory]: Interpolants [48256#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48257#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48258#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 48259#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 67) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 48260#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 66) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48261#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 65) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48262#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 64) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48263#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 64) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48264#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 63) ~__U_MULTI_f_________false_valid_deref_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 48265#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 252) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0)))), 48193#true, 48194#false, 48195#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 48196#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 48197#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48198#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48199#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 48200#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48201#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48202#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48203#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48204#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48205#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48206#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48207#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48208#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48209#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48210#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48211#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48212#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48213#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 48214#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48215#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48216#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48217#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48218#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48219#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48220#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48221#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48222#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48223#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48224#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48225#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 48226#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48227#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48228#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48229#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48230#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48231#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48232#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48233#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48234#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48235#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 48236#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48237#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48238#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 48239#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48240#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48241#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48242#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48243#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48244#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 48245#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48246#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48247#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48248#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48249#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48250#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 48251#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 48252#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 48253#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48254#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 48255#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_deref_i__n~0))] [2018-04-11 13:09:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:11,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-04-11 13:09:11,012 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-04-11 13:09:11,012 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2230, Invalid=3026, Unknown=0, NotChecked=0, Total=5256 [2018-04-11 13:09:11,012 INFO L87 Difference]: Start difference. First operand 312 states and 314 transitions. Second operand 73 states. [2018-04-11 13:09:14,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:14,666 INFO L93 Difference]: Finished difference Result 841 states and 908 transitions. [2018-04-11 13:09:14,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-04-11 13:09:14,667 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 277 [2018-04-11 13:09:14,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:14,669 INFO L225 Difference]: With dead ends: 841 [2018-04-11 13:09:14,670 INFO L226 Difference]: Without dead ends: 841 [2018-04-11 13:09:14,670 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2543 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=6849, Invalid=12333, Unknown=0, NotChecked=0, Total=19182 [2018-04-11 13:09:14,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2018-04-11 13:09:14,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 316. [2018-04-11 13:09:14,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-04-11 13:09:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 318 transitions. [2018-04-11 13:09:14,676 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 318 transitions. Word has length 277 [2018-04-11 13:09:14,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:14,676 INFO L459 AbstractCegarLoop]: Abstraction has 316 states and 318 transitions. [2018-04-11 13:09:14,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-04-11 13:09:14,676 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 318 transitions. [2018-04-11 13:09:14,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-04-11 13:09:14,677 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:14,677 INFO L355 BasicCegarLoop]: trace histogram [67, 67, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:14,677 INFO L408 AbstractCegarLoop]: === Iteration 70 === [__U_MULTI_f_________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_deref_i__fooErr2RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:14,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1233756084, now seen corresponding path program 66 times [2018-04-11 13:09:14,677 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:14,771 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:17,529 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:17,529 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-04-11 13:09:17,529 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:17,530 INFO L182 omatonBuilderFactory]: Interpolants [49555#true, 49556#false, 49557#(<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0), 49558#(and (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0) (= 0 |main_#t~malloc2.offset|) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc2.base|))), 49559#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49560#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (= __U_MULTI_f_________false_valid_deref_i__foo_~i~0 0) (<= 128 ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49561#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 49562#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49563#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49564#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49565#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49566#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49567#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49568#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49569#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49570#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49571#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49572#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49573#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49574#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49575#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 49576#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49577#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49578#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49579#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49580#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49581#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49582#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49583#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49584#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49585#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49586#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49587#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 49588#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49589#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49590#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49591#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49592#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49593#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49594#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49595#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49596#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49597#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 49598#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49599#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49600#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 49601#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49602#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49603#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49604#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49605#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49606#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 49607#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49608#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49609#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49610#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49611#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49612#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 49613#(and (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 49614#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 49615#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49616#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49617#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49618#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49619#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49620#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 49621#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 67) ~__U_MULTI_f_________false_valid_deref_i__n~0) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0)), 49622#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 66) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49623#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 65) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49624#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 64) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49625#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 63) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49626#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 63) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49627#(and (= (* 4 ~__U_MULTI_f_________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_deref_i__foo_~i~0 62) ~__U_MULTI_f_________false_valid_deref_i__n~0)), 49628#(and (= ~__U_MULTI_f_________false_valid_deref_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0) 248) (select |#length| ~__U_MULTI_f_________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_deref_i__foo_~i~0))))] [2018-04-11 13:09:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:17,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-04-11 13:09:17,530 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-04-11 13:09:17,531 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2297, Invalid=3105, Unknown=0, NotChecked=0, Total=5402 [2018-04-11 13:09:17,531 INFO L87 Difference]: Start difference. First operand 316 states and 318 transitions. Second operand 74 states. Received shutdown request... [2018-04-11 13:09:18,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 13:09:18,023 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-11 13:09:18,025 WARN L197 ceAbstractionStarter]: Timeout [2018-04-11 13:09:18,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 01:09:18 BoogieIcfgContainer [2018-04-11 13:09:18,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 13:09:18,026 INFO L168 Benchmark]: Toolchain (without parser) took 185903.20 ms. Allocated memory was 404.2 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 336.4 MB in the beginning and 1.2 GB in the end (delta: -907.6 MB). Peak memory consumption was 437.8 MB. Max. memory is 5.3 GB. [2018-04-11 13:09:18,027 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 404.2 MB. Free memory is still 361.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 13:09:18,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.61 ms. Allocated memory is still 404.2 MB. Free memory was 336.4 MB in the beginning and 312.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-11 13:09:18,027 INFO L168 Benchmark]: Boogie Preprocessor took 38.26 ms. Allocated memory is still 404.2 MB. Free memory was 312.5 MB in the beginning and 309.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 13:09:18,027 INFO L168 Benchmark]: RCFGBuilder took 383.73 ms. Allocated memory was 404.2 MB in the beginning and 595.1 MB in the end (delta: 190.8 MB). Free memory was 309.9 MB in the beginning and 532.1 MB in the end (delta: -222.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 5.3 GB. [2018-04-11 13:09:18,028 INFO L168 Benchmark]: TraceAbstraction took 185248.03 ms. Allocated memory was 595.1 MB in the beginning and 1.7 GB in the end (delta: 1.2 GB). Free memory was 532.1 MB in the beginning and 1.2 GB in the end (delta: -711.9 MB). Peak memory consumption was 442.6 MB. Max. memory is 5.3 GB. [2018-04-11 13:09:18,029 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 404.2 MB. Free memory is still 361.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 230.61 ms. Allocated memory is still 404.2 MB. Free memory was 336.4 MB in the beginning and 312.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.26 ms. Allocated memory is still 404.2 MB. Free memory was 312.5 MB in the beginning and 309.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 383.73 ms. Allocated memory was 404.2 MB in the beginning and 595.1 MB in the end (delta: 190.8 MB). Free memory was 309.9 MB in the beginning and 532.1 MB in the end (delta: -222.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 185248.03 ms. Allocated memory was 595.1 MB in the beginning and 1.7 GB in the end (delta: 1.2 GB). Free memory was 532.1 MB in the beginning and 1.2 GB in the end (delta: -711.9 MB). Peak memory consumption was 442.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 625]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 625). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 627]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 627). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 625]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 625). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 627]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 627). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 637). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 637). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 639]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 639). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 639]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 639). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 629]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 629). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 636]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 637). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 639]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 639). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 636]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 639]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 639). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 637). Cancelled while BasicCegarLoop was constructing difference of abstraction (316states) and interpolant automaton (currently 20 states, 74 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 88 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 61 locations, 17 error locations. TIMEOUT Result, 185.2s OverallTime, 70 OverallIterations, 67 TraceHistogramMax, 106.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2329 SDtfs, 112351 SDslu, 46546 SDs, 0 SdLazy, 53436 SolverSat, 26921 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5053 GetRequests, 138 SyntacticMatches, 66 SemanticMatches, 4848 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61795 ImplicationChecksByTransitivity, 126.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/198253 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 69 MinimizatonAttempts, 17490 StatesRemovedByMinimization, 66 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 71.4s InterpolantComputationTime, 10022 NumberOfCodeBlocks, 10022 NumberOfCodeBlocksAsserted, 70 NumberOfCheckSat, 9952 ConstructedInterpolants, 0 QuantifiedInterpolants, 29172956 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 70 InterpolantComputations, 4 PerfectInterpolantSequences, 0/198253 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_13-09-18-033.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_13-09-18-033.csv Completed graceful shutdown