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-ext/tree_stack_true-valid-memsafety_false-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 13:25:27,084 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 13:25:27,086 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 13:25:27,095 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 13:25:27,096 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 13:25:27,096 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 13:25:27,097 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 13:25:27,098 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 13:25:27,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 13:25:27,100 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 13:25:27,100 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 13:25:27,100 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 13:25:27,101 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 13:25:27,101 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 13:25:27,103 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 13:25:27,104 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 13:25:27,106 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 13:25:27,107 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 13:25:27,107 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 13:25:27,108 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 13:25:27,109 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 13:25:27,109 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 13:25:27,110 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 13:25:27,110 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 13:25:27,111 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 13:25:27,111 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 13:25:27,113 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 13:25:27,114 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 13:25:27,115 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 13:25:27,115 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 13:25:27,115 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 13:25:27,116 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 13:25:27,138 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 13:25:27,138 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 13:25:27,139 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 13:25:27,139 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 13:25:27,140 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 13:25:27,140 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 13:25:27,140 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 13:25:27,140 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 13:25:27,140 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 13:25:27,141 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 13:25:27,141 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 13:25:27,141 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 13:25:27,141 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 13:25:27,141 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 13:25:27,141 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 13:25:27,142 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 13:25:27,142 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 13:25:27,142 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 13:25:27,142 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 13:25:27,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 13:25:27,143 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 13:25:27,143 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 13:25:27,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 13:25:27,181 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 13:25:27,185 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 13:25:27,186 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 13:25:27,186 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 13:25:27,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext/tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,467 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGad2466c6f [2018-04-11 13:25:27,594 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 13:25:27,594 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 13:25:27,599 INFO L168 CDTParser]: Scanning tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,606 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 13:25:27,607 INFO L215 ultiparseSymbolTable]: [2018-04-11 13:25:27,607 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 13:25:27,607 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,607 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 13:25:27,607 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__key_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,607 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__pthread_mutex_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,608 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____u_short in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,608 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____rlim_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,608 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__size_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,608 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____intptr_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,608 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____int32_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,608 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__time_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,608 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____ssize_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,608 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__mode_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,608 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____socklen_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,608 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____uint32_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,609 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__pid_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,609 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__int32_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,609 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__fd_set in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,609 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__pthread_rwlock_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,609 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__fsfilcnt_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,609 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__off_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,609 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__gid_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,609 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____blkcnt64_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,609 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__div_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,609 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__blksize_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__u_short in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__caddr_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____mode_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__ssize_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__u_int32_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____uint64_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____fsblkcnt64_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____uid_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__pthread_once_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__u_char in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__pthread_attr_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____fd_mask in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__blkcnt_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__timer_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____sig_atomic_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__lldiv_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__uid_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____nlink_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__int16_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____pthread_list_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__u_int8_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__wchar_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__pthread_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____id_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__fsblkcnt_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____u_char in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____off64_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____suseconds_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____gid_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____quad_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____timer_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____pid_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__u_int in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__pthread_mutexattr_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____loff_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__suseconds_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__int64_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____sigset_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__fd_mask in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____WAIT_STATUS in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__fsid_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__ushort in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__u_int16_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__pthread_cond_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____u_quad_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____blkcnt_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____clock_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____clockid_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__clockid_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__u_long in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__pthread_barrier_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____off_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__quad_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__id_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__clock_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__uint in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____u_int in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__nlink_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____fsid_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____int16_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__dev_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__pthread_rwlockattr_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____u_long in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____ino64_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__pthread_spinlock_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__sigset_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____ino_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____swblk_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__u_quad_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__ulong in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____caddr_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____int8_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__pthread_key_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____dev_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____fsblkcnt_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__register_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__pthread_barrierattr_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____fsfilcnt64_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__loff_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__pthread_condattr_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__ino_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__daddr_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____useconds_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__u_int64_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__ldiv_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____key_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____int64_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____daddr_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____uint8_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____blksize_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____time_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i__int8_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____uint16_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____qaddr_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____rlim64_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_stack_true_valid_memsafety_false_termination_i____fsfilcnt_t in tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:27,687 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGad2466c6f [2018-04-11 13:25:27,690 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 13:25:27,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 13:25:27,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 13:25:27,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 13:25:27,695 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 13:25:27,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 01:25:27" (1/1) ... [2018-04-11 13:25:27,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746a1c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:25:27, skipping insertion in model container [2018-04-11 13:25:27,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 01:25:27" (1/1) ... [2018-04-11 13:25:27,713 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 13:25:27,734 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 13:25:27,875 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 13:25:27,923 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 13:25:27,929 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 110 non ball SCCs. Number of states in SCCs 110. [2018-04-11 13:25:27,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:25:27 WrapperNode [2018-04-11 13:25:27,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 13:25:27,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 13:25:27,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 13:25:27,970 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 13:25:27,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:25:27" (1/1) ... [2018-04-11 13:25:27,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:25:27" (1/1) ... [2018-04-11 13:25:27,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:25:27" (1/1) ... [2018-04-11 13:25:27,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:25:27" (1/1) ... [2018-04-11 13:25:28,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:25:27" (1/1) ... [2018-04-11 13:25:28,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:25:27" (1/1) ... [2018-04-11 13:25:28,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:25:27" (1/1) ... [2018-04-11 13:25:28,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 13:25:28,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 13:25:28,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 13:25:28,016 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 13:25:28,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:25:27" (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 13:25:28,108 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 13:25:28,108 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 13:25:28,108 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 13:25:28,109 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 13:25:28,109 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 13:25:28,109 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 13:25:28,109 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 13:25:28,109 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 13:25:28,109 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 13:25:28,109 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 13:25:28,109 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 13:25:28,109 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 13:25:28,110 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 13:25:28,110 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 13:25:28,110 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 13:25:28,110 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 13:25:28,110 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 13:25:28,110 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 13:25:28,110 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 13:25:28,110 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 13:25:28,110 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 13:25:28,110 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 13:25:28,111 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 13:25:28,111 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 13:25:28,111 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 13:25:28,111 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 13:25:28,111 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 13:25:28,111 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 13:25:28,111 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 13:25:28,111 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 13:25:28,111 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 13:25:28,112 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 13:25:28,112 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 13:25:28,112 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 13:25:28,112 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 13:25:28,112 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 13:25:28,112 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 13:25:28,112 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 13:25:28,112 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 13:25:28,112 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 13:25:28,113 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 13:25:28,113 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 13:25:28,113 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 13:25:28,113 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 13:25:28,113 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 13:25:28,113 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 13:25:28,113 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 13:25:28,113 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 13:25:28,113 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 13:25:28,113 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 13:25:28,114 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 13:25:28,114 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 13:25:28,114 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 13:25:28,114 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 13:25:28,114 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 13:25:28,114 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 13:25:28,114 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 13:25:28,114 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 13:25:28,114 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 13:25:28,114 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 13:25:28,114 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 13:25:28,114 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 13:25:28,115 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 13:25:28,115 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 13:25:28,115 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 13:25:28,115 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 13:25:28,115 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 13:25:28,115 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 13:25:28,115 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 13:25:28,115 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 13:25:28,115 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 13:25:28,115 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 13:25:28,115 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 13:25:28,115 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 13:25:28,116 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 13:25:28,116 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 13:25:28,116 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 13:25:28,116 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 13:25:28,116 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 13:25:28,116 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 13:25:28,116 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 13:25:28,116 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 13:25:28,116 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 13:25:28,116 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 13:25:28,116 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 13:25:28,116 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 13:25:28,116 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 13:25:28,117 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 13:25:28,118 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 13:25:28,118 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 13:25:28,118 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 13:25:28,118 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 13:25:28,118 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 13:25:28,118 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 13:25:28,118 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 13:25:28,118 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 13:25:28,118 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 13:25:28,119 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 13:25:28,119 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 13:25:28,546 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 13:25:28,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 01:25:28 BoogieIcfgContainer [2018-04-11 13:25:28,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 13:25:28,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 13:25:28,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 13:25:28,549 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 13:25:28,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 01:25:27" (1/3) ... [2018-04-11 13:25:28,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2b2961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 01:25:28, skipping insertion in model container [2018-04-11 13:25:28,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:25:27" (2/3) ... [2018-04-11 13:25:28,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2b2961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 01:25:28, skipping insertion in model container [2018-04-11 13:25:28,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 01:25:28" (3/3) ... [2018-04-11 13:25:28,551 INFO L107 eAbstractionObserver]: Analyzing ICFG tree_stack_true-valid-memsafety_false-termination.i [2018-04-11 13:25:28,557 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 13:25:28,566 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 65 error locations. [2018-04-11 13:25:28,598 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 13:25:28,599 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 13:25:28,599 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 13:25:28,599 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 13:25:28,599 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 13:25:28,599 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 13:25:28,599 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 13:25:28,599 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 13:25:28,599 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 13:25:28,600 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 13:25:28,611 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-04-11 13:25:28,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-11 13:25:28,620 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:28,621 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:28,621 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:28,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1341836454, now seen corresponding path program 1 times [2018-04-11 13:25:28,657 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:28,683 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:28,722 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 13:25:28,724 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:28,724 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:25:28,725 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:28,725 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 13:25:28,725 INFO L182 omatonBuilderFactory]: Interpolants [154#true, 155#false, 156#(= 1 (select |#valid| |main_#t~malloc0.base|)), 157#(= 1 (select |#valid| main_~root~0.base))] [2018-04-11 13:25:28,725 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 13:25:28,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:25:28,734 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:25:28,734 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:25:28,736 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 4 states. [2018-04-11 13:25:28,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:28,972 INFO L93 Difference]: Finished difference Result 168 states and 179 transitions. [2018-04-11 13:25:28,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 13:25:28,974 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-11 13:25:28,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:28,987 INFO L225 Difference]: With dead ends: 168 [2018-04-11 13:25:28,987 INFO L226 Difference]: Without dead ends: 164 [2018-04-11 13:25:28,989 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 13:25:29,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-04-11 13:25:29,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 146. [2018-04-11 13:25:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-11 13:25:29,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 156 transitions. [2018-04-11 13:25:29,028 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 156 transitions. Word has length 8 [2018-04-11 13:25:29,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:29,029 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 156 transitions. [2018-04-11 13:25:29,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:25:29,029 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2018-04-11 13:25:29,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-11 13:25:29,029 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:29,030 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:29,030 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:29,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1341836455, now seen corresponding path program 1 times [2018-04-11 13:25:29,031 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:29,044 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:29,092 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 13:25:29,092 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:29,092 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:25:29,092 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:29,093 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 13:25:29,093 INFO L182 omatonBuilderFactory]: Interpolants [474#true, 475#false, 476#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 477#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)))] [2018-04-11 13:25:29,093 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 13:25:29,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:25:29,094 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:25:29,094 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:25:29,095 INFO L87 Difference]: Start difference. First operand 146 states and 156 transitions. Second operand 4 states. [2018-04-11 13:25:29,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:29,189 INFO L93 Difference]: Finished difference Result 144 states and 154 transitions. [2018-04-11 13:25:29,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 13:25:29,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-11 13:25:29,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:29,190 INFO L225 Difference]: With dead ends: 144 [2018-04-11 13:25:29,190 INFO L226 Difference]: Without dead ends: 144 [2018-04-11 13:25:29,191 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 13:25:29,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-04-11 13:25:29,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-04-11 13:25:29,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-11 13:25:29,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 154 transitions. [2018-04-11 13:25:29,196 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 154 transitions. Word has length 8 [2018-04-11 13:25:29,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:29,197 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 154 transitions. [2018-04-11 13:25:29,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:25:29,197 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 154 transitions. [2018-04-11 13:25:29,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 13:25:29,197 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:29,197 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:29,197 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:29,197 INFO L82 PathProgramCache]: Analyzing trace with hash -2000274829, now seen corresponding path program 1 times [2018-04-11 13:25:29,198 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:29,209 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:29,230 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 13:25:29,231 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:29,231 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:25:29,231 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:29,231 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 13:25:29,231 INFO L182 omatonBuilderFactory]: Interpolants [768#true, 769#false, 770#(= 1 (select |#valid| main_~root~0.base)), 771#(= 1 (select |#valid| main_~n~0.base))] [2018-04-11 13:25:29,231 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 13:25:29,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:25:29,232 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:25:29,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:25:29,232 INFO L87 Difference]: Start difference. First operand 144 states and 154 transitions. Second operand 4 states. [2018-04-11 13:25:29,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:29,340 INFO L93 Difference]: Finished difference Result 154 states and 165 transitions. [2018-04-11 13:25:29,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:25:29,341 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-11 13:25:29,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:29,342 INFO L225 Difference]: With dead ends: 154 [2018-04-11 13:25:29,342 INFO L226 Difference]: Without dead ends: 154 [2018-04-11 13:25:29,342 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 13:25:29,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-04-11 13:25:29,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 131. [2018-04-11 13:25:29,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-04-11 13:25:29,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 142 transitions. [2018-04-11 13:25:29,349 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 142 transitions. Word has length 14 [2018-04-11 13:25:29,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:29,349 INFO L459 AbstractCegarLoop]: Abstraction has 131 states and 142 transitions. [2018-04-11 13:25:29,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:25:29,349 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 142 transitions. [2018-04-11 13:25:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 13:25:29,350 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:29,350 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:29,350 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:29,350 INFO L82 PathProgramCache]: Analyzing trace with hash -2000274828, now seen corresponding path program 1 times [2018-04-11 13:25:29,351 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:29,362 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:29,402 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 13:25:29,402 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:29,402 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:25:29,402 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:29,403 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 13:25:29,403 INFO L182 omatonBuilderFactory]: Interpolants [1059#true, 1060#false, 1061#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 1062#(and (= 0 main_~root~0.offset) (= 8 (select |#length| main_~root~0.base))), 1063#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)))] [2018-04-11 13:25:29,403 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 13:25:29,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:25:29,404 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:25:29,404 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:25:29,404 INFO L87 Difference]: Start difference. First operand 131 states and 142 transitions. Second operand 5 states. [2018-04-11 13:25:29,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:29,586 INFO L93 Difference]: Finished difference Result 177 states and 195 transitions. [2018-04-11 13:25:29,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:25:29,586 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 13:25:29,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:29,588 INFO L225 Difference]: With dead ends: 177 [2018-04-11 13:25:29,588 INFO L226 Difference]: Without dead ends: 177 [2018-04-11 13:25:29,589 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 13:25:29,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-04-11 13:25:29,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 161. [2018-04-11 13:25:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-04-11 13:25:29,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 184 transitions. [2018-04-11 13:25:29,597 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 184 transitions. Word has length 14 [2018-04-11 13:25:29,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:29,597 INFO L459 AbstractCegarLoop]: Abstraction has 161 states and 184 transitions. [2018-04-11 13:25:29,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:25:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 184 transitions. [2018-04-11 13:25:29,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 13:25:29,598 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:29,598 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:29,598 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:29,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1882745265, now seen corresponding path program 1 times [2018-04-11 13:25:29,599 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:29,609 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:29,638 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 13:25:29,638 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:29,638 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:25:29,638 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:29,639 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 13:25:29,639 INFO L182 omatonBuilderFactory]: Interpolants [1408#(= 1 (select |#valid| |main_#t~malloc20.base|)), 1409#(= 1 (select |#valid| main_~s~0.base)), 1406#true, 1407#false] [2018-04-11 13:25:29,639 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 13:25:29,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:25:29,640 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:25:29,640 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:25:29,640 INFO L87 Difference]: Start difference. First operand 161 states and 184 transitions. Second operand 4 states. [2018-04-11 13:25:29,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:29,727 INFO L93 Difference]: Finished difference Result 176 states and 199 transitions. [2018-04-11 13:25:29,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:25:29,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-04-11 13:25:29,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:29,728 INFO L225 Difference]: With dead ends: 176 [2018-04-11 13:25:29,728 INFO L226 Difference]: Without dead ends: 176 [2018-04-11 13:25:29,729 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 13:25:29,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-04-11 13:25:29,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 162. [2018-04-11 13:25:29,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-11 13:25:29,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 187 transitions. [2018-04-11 13:25:29,737 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 187 transitions. Word has length 16 [2018-04-11 13:25:29,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:29,737 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 187 transitions. [2018-04-11 13:25:29,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:25:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 187 transitions. [2018-04-11 13:25:29,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 13:25:29,738 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:29,738 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:29,738 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:29,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1882745266, now seen corresponding path program 1 times [2018-04-11 13:25:29,739 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:29,748 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:29,771 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 13:25:29,772 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:29,772 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:25:29,772 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:29,772 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 13:25:29,772 INFO L182 omatonBuilderFactory]: Interpolants [1750#true, 1751#false, 1752#(and (= 8 (select |#length| |main_#t~malloc20.base|)) (= 0 |main_#t~malloc20.offset|)), 1753#(and (= 8 (select |#length| main_~s~0.base)) (= main_~s~0.offset 0))] [2018-04-11 13:25:29,772 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 13:25:29,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:25:29,772 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:25:29,773 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:25:29,773 INFO L87 Difference]: Start difference. First operand 162 states and 187 transitions. Second operand 4 states. [2018-04-11 13:25:29,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:29,853 INFO L93 Difference]: Finished difference Result 164 states and 187 transitions. [2018-04-11 13:25:29,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 13:25:29,853 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-04-11 13:25:29,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:29,854 INFO L225 Difference]: With dead ends: 164 [2018-04-11 13:25:29,854 INFO L226 Difference]: Without dead ends: 164 [2018-04-11 13:25:29,854 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 13:25:29,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-04-11 13:25:29,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2018-04-11 13:25:29,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-04-11 13:25:29,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 184 transitions. [2018-04-11 13:25:29,860 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 184 transitions. Word has length 16 [2018-04-11 13:25:29,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:29,860 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 184 transitions. [2018-04-11 13:25:29,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:25:29,860 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 184 transitions. [2018-04-11 13:25:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 13:25:29,861 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:29,861 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:29,861 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:29,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1407261537, now seen corresponding path program 1 times [2018-04-11 13:25:29,862 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:29,873 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:29,889 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 13:25:29,890 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:29,890 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:25:29,890 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:29,890 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 13:25:29,890 INFO L182 omatonBuilderFactory]: Interpolants [2080#true, 2081#false, 2082#(not (= |main_#t~malloc20.base| 0)), 2083#(not (= main_~s~0.base 0))] [2018-04-11 13:25:29,890 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 13:25:29,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:25:29,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:25:29,891 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:25:29,891 INFO L87 Difference]: Start difference. First operand 160 states and 184 transitions. Second operand 4 states. [2018-04-11 13:25:29,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:29,904 INFO L93 Difference]: Finished difference Result 161 states and 184 transitions. [2018-04-11 13:25:29,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 13:25:29,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-04-11 13:25:29,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:29,905 INFO L225 Difference]: With dead ends: 161 [2018-04-11 13:25:29,905 INFO L226 Difference]: Without dead ends: 161 [2018-04-11 13:25:29,905 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 13:25:29,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-04-11 13:25:29,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 160. [2018-04-11 13:25:29,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-04-11 13:25:29,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 183 transitions. [2018-04-11 13:25:29,908 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 183 transitions. Word has length 21 [2018-04-11 13:25:29,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:29,908 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 183 transitions. [2018-04-11 13:25:29,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:25:29,908 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 183 transitions. [2018-04-11 13:25:29,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-11 13:25:29,908 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:29,908 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:29,908 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:29,909 INFO L82 PathProgramCache]: Analyzing trace with hash 675431961, now seen corresponding path program 1 times [2018-04-11 13:25:29,909 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:29,919 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:29,946 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 13:25:29,946 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:29,946 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:25:29,946 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:29,947 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 13:25:29,947 INFO L182 omatonBuilderFactory]: Interpolants [2407#true, 2408#false, 2409#(= (select |#valid| main_~s~0.base) 1), 2410#(and (= main_~s~0.base main_~st~0.base) (= (select |#valid| main_~s~0.base) 1)), 2411#(= 1 (select |#valid| main_~st~0.base))] [2018-04-11 13:25:29,947 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 13:25:29,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:25:29,947 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:25:29,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:25:29,948 INFO L87 Difference]: Start difference. First operand 160 states and 183 transitions. Second operand 5 states. [2018-04-11 13:25:30,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:30,040 INFO L93 Difference]: Finished difference Result 177 states and 201 transitions. [2018-04-11 13:25:30,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 13:25:30,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-04-11 13:25:30,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:30,041 INFO L225 Difference]: With dead ends: 177 [2018-04-11 13:25:30,041 INFO L226 Difference]: Without dead ends: 177 [2018-04-11 13:25:30,041 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:25:30,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-04-11 13:25:30,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 159. [2018-04-11 13:25:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-04-11 13:25:30,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 183 transitions. [2018-04-11 13:25:30,047 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 183 transitions. Word has length 22 [2018-04-11 13:25:30,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:30,047 INFO L459 AbstractCegarLoop]: Abstraction has 159 states and 183 transitions. [2018-04-11 13:25:30,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:25:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 183 transitions. [2018-04-11 13:25:30,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-11 13:25:30,048 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:30,048 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:30,048 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:30,048 INFO L82 PathProgramCache]: Analyzing trace with hash 675431962, now seen corresponding path program 1 times [2018-04-11 13:25:30,049 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:30,057 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:30,094 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 13:25:30,094 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:30,094 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:25:30,094 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:30,095 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 13:25:30,095 INFO L182 omatonBuilderFactory]: Interpolants [2752#(and (= 8 (select |#length| |main_#t~malloc20.base|)) (= 0 |main_#t~malloc20.offset|)), 2753#(and (= 0 main_~s~0.offset) (= 8 (select |#length| main_~s~0.base))), 2754#(and (= main_~st~0.offset 0) (= 8 (select |#length| main_~st~0.base))), 2750#true, 2751#false] [2018-04-11 13:25:30,095 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 13:25:30,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:25:30,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:25:30,096 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:25:30,096 INFO L87 Difference]: Start difference. First operand 159 states and 183 transitions. Second operand 5 states. [2018-04-11 13:25:30,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:30,228 INFO L93 Difference]: Finished difference Result 183 states and 208 transitions. [2018-04-11 13:25:30,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 13:25:30,229 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-04-11 13:25:30,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:30,230 INFO L225 Difference]: With dead ends: 183 [2018-04-11 13:25:30,230 INFO L226 Difference]: Without dead ends: 183 [2018-04-11 13:25:30,230 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:25:30,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-04-11 13:25:30,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 161. [2018-04-11 13:25:30,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-04-11 13:25:30,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 184 transitions. [2018-04-11 13:25:30,233 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 184 transitions. Word has length 22 [2018-04-11 13:25:30,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:30,233 INFO L459 AbstractCegarLoop]: Abstraction has 161 states and 184 transitions. [2018-04-11 13:25:30,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:25:30,235 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 184 transitions. [2018-04-11 13:25:30,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-11 13:25:30,235 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:30,236 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:30,236 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:30,236 INFO L82 PathProgramCache]: Analyzing trace with hash -684849302, now seen corresponding path program 1 times [2018-04-11 13:25:30,237 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:30,246 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:30,257 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:30,257 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:25:30,257 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:30,257 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 13:25:30,257 INFO L182 omatonBuilderFactory]: Interpolants [3105#true, 3106#false, 3107#(not |main_#t~short4|)] [2018-04-11 13:25:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:30,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 13:25:30,258 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 13:25:30,258 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 13:25:30,258 INFO L87 Difference]: Start difference. First operand 161 states and 184 transitions. Second operand 3 states. [2018-04-11 13:25:30,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:30,270 INFO L93 Difference]: Finished difference Result 163 states and 186 transitions. [2018-04-11 13:25:30,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 13:25:30,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-04-11 13:25:30,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:30,271 INFO L225 Difference]: With dead ends: 163 [2018-04-11 13:25:30,271 INFO L226 Difference]: Without dead ends: 163 [2018-04-11 13:25:30,272 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 13:25:30,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-04-11 13:25:30,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-04-11 13:25:30,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-04-11 13:25:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 186 transitions. [2018-04-11 13:25:30,275 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 186 transitions. Word has length 22 [2018-04-11 13:25:30,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:30,275 INFO L459 AbstractCegarLoop]: Abstraction has 163 states and 186 transitions. [2018-04-11 13:25:30,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 13:25:30,276 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 186 transitions. [2018-04-11 13:25:30,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 13:25:30,276 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:30,276 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:30,277 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:30,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1056809095, now seen corresponding path program 1 times [2018-04-11 13:25:30,278 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:30,290 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:30,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:30,379 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:30,379 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 13:25:30,379 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:30,379 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 13:25:30,380 INFO L182 omatonBuilderFactory]: Interpolants [3434#true, 3435#false, 3436#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 3437#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 3438#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 3439#(not |main_#t~short4|)] [2018-04-11 13:25:30,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:30,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 13:25:30,380 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 13:25:30,380 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:25:30,380 INFO L87 Difference]: Start difference. First operand 163 states and 186 transitions. Second operand 6 states. [2018-04-11 13:25:30,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:30,548 INFO L93 Difference]: Finished difference Result 206 states and 236 transitions. [2018-04-11 13:25:30,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 13:25:30,549 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-04-11 13:25:30,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:30,550 INFO L225 Difference]: With dead ends: 206 [2018-04-11 13:25:30,550 INFO L226 Difference]: Without dead ends: 206 [2018-04-11 13:25:30,550 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-04-11 13:25:30,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-04-11 13:25:30,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 179. [2018-04-11 13:25:30,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-04-11 13:25:30,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 207 transitions. [2018-04-11 13:25:30,554 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 207 transitions. Word has length 24 [2018-04-11 13:25:30,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:30,555 INFO L459 AbstractCegarLoop]: Abstraction has 179 states and 207 transitions. [2018-04-11 13:25:30,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 13:25:30,555 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 207 transitions. [2018-04-11 13:25:30,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 13:25:30,555 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:30,556 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:30,556 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:30,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1890326275, now seen corresponding path program 1 times [2018-04-11 13:25:30,557 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:30,565 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:30,596 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 13:25:30,596 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:30,596 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:25:30,596 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:30,597 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 13:25:30,597 INFO L182 omatonBuilderFactory]: Interpolants [3831#true, 3832#false, 3833#(= 1 (select |#valid| |main_#t~malloc11.base|)), 3834#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 3835#(= 1 (select |#valid| |main_#t~mem12.base|))] [2018-04-11 13:25:30,597 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 13:25:30,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:25:30,597 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:25:30,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:25:30,598 INFO L87 Difference]: Start difference. First operand 179 states and 207 transitions. Second operand 5 states. [2018-04-11 13:25:30,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:30,755 INFO L93 Difference]: Finished difference Result 265 states and 309 transitions. [2018-04-11 13:25:30,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 13:25:30,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-04-11 13:25:30,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:30,756 INFO L225 Difference]: With dead ends: 265 [2018-04-11 13:25:30,756 INFO L226 Difference]: Without dead ends: 265 [2018-04-11 13:25:30,756 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:25:30,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-04-11 13:25:30,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 178. [2018-04-11 13:25:30,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-04-11 13:25:30,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 205 transitions. [2018-04-11 13:25:30,759 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 205 transitions. Word has length 25 [2018-04-11 13:25:30,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:30,759 INFO L459 AbstractCegarLoop]: Abstraction has 178 states and 205 transitions. [2018-04-11 13:25:30,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:25:30,759 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 205 transitions. [2018-04-11 13:25:30,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 13:25:30,760 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:30,760 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:30,760 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:30,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1890326274, now seen corresponding path program 1 times [2018-04-11 13:25:30,760 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:30,768 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:30,808 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 13:25:30,808 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:30,808 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:25:30,808 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:30,809 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 13:25:30,809 INFO L182 omatonBuilderFactory]: Interpolants [4288#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 4289#(and (= |main_#t~mem12.offset| 0) (= 8 (select |#length| |main_#t~mem12.base|))), 4285#true, 4286#false, 4287#(and (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| |main_#t~malloc11.base|)))] [2018-04-11 13:25:30,809 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 13:25:30,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:25:30,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:25:30,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:25:30,810 INFO L87 Difference]: Start difference. First operand 178 states and 205 transitions. Second operand 5 states. [2018-04-11 13:25:31,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:31,109 INFO L93 Difference]: Finished difference Result 310 states and 355 transitions. [2018-04-11 13:25:31,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 13:25:31,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-04-11 13:25:31,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:31,111 INFO L225 Difference]: With dead ends: 310 [2018-04-11 13:25:31,111 INFO L226 Difference]: Without dead ends: 310 [2018-04-11 13:25:31,111 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:25:31,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2018-04-11 13:25:31,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 177. [2018-04-11 13:25:31,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-04-11 13:25:31,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 203 transitions. [2018-04-11 13:25:31,115 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 203 transitions. Word has length 25 [2018-04-11 13:25:31,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:31,115 INFO L459 AbstractCegarLoop]: Abstraction has 177 states and 203 transitions. [2018-04-11 13:25:31,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:25:31,116 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 203 transitions. [2018-04-11 13:25:31,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 13:25:31,116 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:31,116 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:31,116 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:31,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1446644267, now seen corresponding path program 1 times [2018-04-11 13:25:31,117 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:31,126 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:31,290 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 13:25:31,290 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:31,290 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-11 13:25:31,290 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:31,291 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 13:25:31,291 INFO L182 omatonBuilderFactory]: Interpolants [4784#false, 4785#(and (= 0 |main_#t~malloc0.offset|) (= 1 (select |#valid| |main_#t~malloc0.base|))), 4786#(and (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 4787#(and (= 0 |main_#t~malloc20.offset|) (= 1 (select (store |#valid| |main_#t~malloc20.base| 0) main_~root~0.base)) (= main_~root~0.offset 0)), 4788#(and (= 0 main_~s~0.offset) (= 1 (select (store |#valid| main_~s~0.base 0) main_~root~0.base)) (= main_~root~0.offset 0)), 4789#(and (= 0 main_~s~0.offset) (= 1 (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))))), 4790#(= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))), 4791#(= 1 (select (store |#valid| main_~st~0.base 0) |main_#t~mem22.base|)), 4792#(= 1 (select (store |#valid| main_~st~0.base 0) main_~n~0.base)), 4793#(= 1 (select |#valid| main_~n~0.base)), 4783#true] [2018-04-11 13:25:31,291 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 13:25:31,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 13:25:31,291 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 13:25:31,292 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-11 13:25:31,292 INFO L87 Difference]: Start difference. First operand 177 states and 203 transitions. Second operand 11 states. [2018-04-11 13:25:31,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:31,715 INFO L93 Difference]: Finished difference Result 197 states and 226 transitions. [2018-04-11 13:25:31,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 13:25:31,715 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2018-04-11 13:25:31,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:31,716 INFO L225 Difference]: With dead ends: 197 [2018-04-11 13:25:31,716 INFO L226 Difference]: Without dead ends: 197 [2018-04-11 13:25:31,716 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:25:31,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-04-11 13:25:31,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 180. [2018-04-11 13:25:31,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-04-11 13:25:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 207 transitions. [2018-04-11 13:25:31,718 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 207 transitions. Word has length 27 [2018-04-11 13:25:31,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:31,719 INFO L459 AbstractCegarLoop]: Abstraction has 180 states and 207 transitions. [2018-04-11 13:25:31,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 13:25:31,719 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 207 transitions. [2018-04-11 13:25:31,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 13:25:31,719 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:31,719 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:31,719 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:31,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1446644268, now seen corresponding path program 1 times [2018-04-11 13:25:31,720 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:31,730 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:31,972 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 13:25:31,972 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:31,972 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-11 13:25:31,972 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:31,973 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 13:25:31,973 INFO L182 omatonBuilderFactory]: Interpolants [5191#true, 5192#false, 5193#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 5194#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 5195#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 5196#(and (= 0 |main_#t~malloc20.offset|) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 5197#(and (= main_~s~0.offset 0) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 5198#(and (= main_~s~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))))), 5199#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) (= main_~s~0.offset main_~st~0.offset) (= main_~st~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))))), 5200#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= main_~st~0.offset 0)), 5201#(and (= 8 (select |#length| |main_#t~mem22.base|)) (= main_~st~0.offset 0) (= 0 |main_#t~mem22.offset|)), 5202#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (= main_~st~0.offset 0)), 5203#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)))] [2018-04-11 13:25:31,973 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 13:25:31,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 13:25:31,973 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 13:25:31,974 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-04-11 13:25:31,974 INFO L87 Difference]: Start difference. First operand 180 states and 207 transitions. Second operand 13 states. [2018-04-11 13:25:32,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:32,564 INFO L93 Difference]: Finished difference Result 246 states and 273 transitions. [2018-04-11 13:25:32,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-11 13:25:32,564 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 27 [2018-04-11 13:25:32,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:32,565 INFO L225 Difference]: With dead ends: 246 [2018-04-11 13:25:32,565 INFO L226 Difference]: Without dead ends: 246 [2018-04-11 13:25:32,565 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=612, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:25:32,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-04-11 13:25:32,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 196. [2018-04-11 13:25:32,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-04-11 13:25:32,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 230 transitions. [2018-04-11 13:25:32,571 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 230 transitions. Word has length 27 [2018-04-11 13:25:32,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:32,571 INFO L459 AbstractCegarLoop]: Abstraction has 196 states and 230 transitions. [2018-04-11 13:25:32,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 13:25:32,571 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 230 transitions. [2018-04-11 13:25:32,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 13:25:32,572 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:32,572 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:32,572 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:32,572 INFO L82 PathProgramCache]: Analyzing trace with hash 901181277, now seen corresponding path program 1 times [2018-04-11 13:25:32,573 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:32,582 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:32,660 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 13:25:32,660 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:32,660 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 13:25:32,660 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:32,660 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 13:25:32,661 INFO L182 omatonBuilderFactory]: Interpolants [5680#(= (select |#valid| main_~root~0.base) 1), 5681#(= (select |#valid| main_~n~0.base) 1), 5682#(and (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 1 (select |#valid| |main_#t~malloc11.base|))), 5683#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 5684#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 5685#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 5686#(= 1 (select |#valid| |main_#t~mem13.base|)), 5678#true, 5679#false] [2018-04-11 13:25:32,661 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 13:25:32,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 13:25:32,661 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 13:25:32,661 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 13:25:32,661 INFO L87 Difference]: Start difference. First operand 196 states and 230 transitions. Second operand 9 states. [2018-04-11 13:25:32,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:32,941 INFO L93 Difference]: Finished difference Result 233 states and 274 transitions. [2018-04-11 13:25:32,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 13:25:32,941 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-04-11 13:25:32,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:32,942 INFO L225 Difference]: With dead ends: 233 [2018-04-11 13:25:32,942 INFO L226 Difference]: Without dead ends: 233 [2018-04-11 13:25:32,942 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-04-11 13:25:32,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-04-11 13:25:32,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 195. [2018-04-11 13:25:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-04-11 13:25:32,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 228 transitions. [2018-04-11 13:25:32,945 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 228 transitions. Word has length 28 [2018-04-11 13:25:32,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:32,946 INFO L459 AbstractCegarLoop]: Abstraction has 195 states and 228 transitions. [2018-04-11 13:25:32,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 13:25:32,946 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 228 transitions. [2018-04-11 13:25:32,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 13:25:32,947 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:32,947 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:32,947 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:32,947 INFO L82 PathProgramCache]: Analyzing trace with hash 901181278, now seen corresponding path program 1 times [2018-04-11 13:25:32,947 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:32,956 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:33,025 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 13:25:33,026 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:33,026 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 13:25:33,026 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:33,026 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 13:25:33,026 INFO L182 omatonBuilderFactory]: Interpolants [6128#false, 6129#(= (select |#valid| main_~root~0.base) 1), 6130#(= (select |#valid| main_~n~0.base) 1), 6131#(and (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| |main_#t~malloc11.base|))), 6132#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 6133#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 6134#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 6135#(and (= |main_#t~mem13.offset| 0) (= 8 (select |#length| |main_#t~mem13.base|))), 6127#true] [2018-04-11 13:25:33,026 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 13:25:33,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 13:25:33,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 13:25:33,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 13:25:33,027 INFO L87 Difference]: Start difference. First operand 195 states and 228 transitions. Second operand 9 states. [2018-04-11 13:25:33,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:33,324 INFO L93 Difference]: Finished difference Result 232 states and 272 transitions. [2018-04-11 13:25:33,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 13:25:33,325 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-04-11 13:25:33,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:33,326 INFO L225 Difference]: With dead ends: 232 [2018-04-11 13:25:33,326 INFO L226 Difference]: Without dead ends: 232 [2018-04-11 13:25:33,326 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-04-11 13:25:33,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-04-11 13:25:33,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 194. [2018-04-11 13:25:33,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-04-11 13:25:33,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 226 transitions. [2018-04-11 13:25:33,330 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 226 transitions. Word has length 28 [2018-04-11 13:25:33,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:33,330 INFO L459 AbstractCegarLoop]: Abstraction has 194 states and 226 transitions. [2018-04-11 13:25:33,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 13:25:33,330 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 226 transitions. [2018-04-11 13:25:33,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 13:25:33,331 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:33,331 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:33,331 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:33,331 INFO L82 PathProgramCache]: Analyzing trace with hash -2057254630, now seen corresponding path program 1 times [2018-04-11 13:25:33,332 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:33,339 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:33,385 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 13:25:33,386 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:33,386 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:25:33,386 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:33,386 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 13:25:33,386 INFO L182 omatonBuilderFactory]: Interpolants [6576#(= 1 (select |#valid| |main_#t~malloc17.base|)), 6577#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 6578#(= 1 (select |#valid| |main_#t~mem18.base|)), 6574#true, 6575#false] [2018-04-11 13:25:33,386 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 13:25:33,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:25:33,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:25:33,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:25:33,387 INFO L87 Difference]: Start difference. First operand 194 states and 226 transitions. Second operand 5 states. [2018-04-11 13:25:33,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:33,555 INFO L93 Difference]: Finished difference Result 278 states and 324 transitions. [2018-04-11 13:25:33,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 13:25:33,556 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-04-11 13:25:33,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:33,556 INFO L225 Difference]: With dead ends: 278 [2018-04-11 13:25:33,556 INFO L226 Difference]: Without dead ends: 278 [2018-04-11 13:25:33,557 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:25:33,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-04-11 13:25:33,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 193. [2018-04-11 13:25:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-04-11 13:25:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 224 transitions. [2018-04-11 13:25:33,559 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 224 transitions. Word has length 29 [2018-04-11 13:25:33,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:33,559 INFO L459 AbstractCegarLoop]: Abstraction has 193 states and 224 transitions. [2018-04-11 13:25:33,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:25:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 224 transitions. [2018-04-11 13:25:33,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 13:25:33,560 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:33,560 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:33,560 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:33,560 INFO L82 PathProgramCache]: Analyzing trace with hash -2057254629, now seen corresponding path program 1 times [2018-04-11 13:25:33,561 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:33,567 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:33,591 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 13:25:33,591 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:33,592 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:25:33,592 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:33,592 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 13:25:33,592 INFO L182 omatonBuilderFactory]: Interpolants [7056#true, 7057#false, 7058#(and (= 8 (select |#length| |main_#t~malloc17.base|)) (= 0 |main_#t~malloc17.offset|)), 7059#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 7060#(and (= |main_#t~mem18.offset| 0) (= 8 (select |#length| |main_#t~mem18.base|)))] [2018-04-11 13:25:33,592 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 13:25:33,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:25:33,592 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:25:33,592 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:25:33,593 INFO L87 Difference]: Start difference. First operand 193 states and 224 transitions. Second operand 5 states. [2018-04-11 13:25:33,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:33,837 INFO L93 Difference]: Finished difference Result 342 states and 397 transitions. [2018-04-11 13:25:33,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 13:25:33,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-04-11 13:25:33,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:33,838 INFO L225 Difference]: With dead ends: 342 [2018-04-11 13:25:33,838 INFO L226 Difference]: Without dead ends: 342 [2018-04-11 13:25:33,838 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:25:33,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2018-04-11 13:25:33,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 192. [2018-04-11 13:25:33,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-04-11 13:25:33,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 222 transitions. [2018-04-11 13:25:33,842 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 222 transitions. Word has length 29 [2018-04-11 13:25:33,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:33,842 INFO L459 AbstractCegarLoop]: Abstraction has 192 states and 222 transitions. [2018-04-11 13:25:33,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:25:33,842 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 222 transitions. [2018-04-11 13:25:33,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-11 13:25:33,843 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:33,843 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:33,843 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:33,843 INFO L82 PathProgramCache]: Analyzing trace with hash 952419245, now seen corresponding path program 1 times [2018-04-11 13:25:33,844 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:33,851 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:33,879 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 13:25:33,879 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:33,880 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:25:33,880 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:33,880 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 13:25:33,880 INFO L182 omatonBuilderFactory]: Interpolants [7601#true, 7602#false, 7603#(= 1 (select |#valid| |main_#t~malloc24.base|)), 7604#(= 1 (select |#valid| main_~st~0.base))] [2018-04-11 13:25:33,880 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 13:25:33,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:25:33,881 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:25:33,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:25:33,881 INFO L87 Difference]: Start difference. First operand 192 states and 222 transitions. Second operand 4 states. [2018-04-11 13:25:33,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:33,975 INFO L93 Difference]: Finished difference Result 222 states and 256 transitions. [2018-04-11 13:25:33,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:25:33,976 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2018-04-11 13:25:33,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:33,977 INFO L225 Difference]: With dead ends: 222 [2018-04-11 13:25:33,977 INFO L226 Difference]: Without dead ends: 222 [2018-04-11 13:25:33,977 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 13:25:33,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-04-11 13:25:33,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 191. [2018-04-11 13:25:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-04-11 13:25:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 220 transitions. [2018-04-11 13:25:33,980 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 220 transitions. Word has length 31 [2018-04-11 13:25:33,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:33,981 INFO L459 AbstractCegarLoop]: Abstraction has 191 states and 220 transitions. [2018-04-11 13:25:33,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:25:33,981 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 220 transitions. [2018-04-11 13:25:33,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-11 13:25:33,981 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:33,981 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:33,981 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:33,981 INFO L82 PathProgramCache]: Analyzing trace with hash 952419246, now seen corresponding path program 1 times [2018-04-11 13:25:33,982 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:33,989 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:34,011 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 13:25:34,011 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:34,011 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:25:34,011 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:34,011 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 13:25:34,012 INFO L182 omatonBuilderFactory]: Interpolants [8020#true, 8021#false, 8022#(and (= 0 |main_#t~malloc24.offset|) (= 8 (select |#length| |main_#t~malloc24.base|))), 8023#(and (= main_~st~0.offset 0) (= 8 (select |#length| main_~st~0.base)))] [2018-04-11 13:25:34,012 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 13:25:34,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:25:34,012 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:25:34,012 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:25:34,013 INFO L87 Difference]: Start difference. First operand 191 states and 220 transitions. Second operand 4 states. [2018-04-11 13:25:34,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:34,172 INFO L93 Difference]: Finished difference Result 252 states and 286 transitions. [2018-04-11 13:25:34,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 13:25:34,172 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2018-04-11 13:25:34,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:34,173 INFO L225 Difference]: With dead ends: 252 [2018-04-11 13:25:34,173 INFO L226 Difference]: Without dead ends: 252 [2018-04-11 13:25:34,174 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 13:25:34,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-04-11 13:25:34,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 189. [2018-04-11 13:25:34,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-04-11 13:25:34,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 216 transitions. [2018-04-11 13:25:34,178 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 216 transitions. Word has length 31 [2018-04-11 13:25:34,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:34,178 INFO L459 AbstractCegarLoop]: Abstraction has 189 states and 216 transitions. [2018-04-11 13:25:34,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:25:34,178 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 216 transitions. [2018-04-11 13:25:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-11 13:25:34,179 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:34,179 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:34,179 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:34,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1510720002, now seen corresponding path program 1 times [2018-04-11 13:25:34,180 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:34,187 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:34,248 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 13:25:34,248 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:34,248 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 13:25:34,248 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:34,248 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 13:25:34,249 INFO L182 omatonBuilderFactory]: Interpolants [8468#true, 8469#false, 8470#(= (select |#valid| main_~root~0.base) 1), 8471#(= (select |#valid| main_~n~0.base) 1), 8472#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| |main_#t~malloc17.base|))), 8473#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8474#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8475#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 8476#(= 1 (select |#valid| |main_#t~mem19.base|))] [2018-04-11 13:25:34,249 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 13:25:34,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 13:25:34,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 13:25:34,249 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 13:25:34,249 INFO L87 Difference]: Start difference. First operand 189 states and 216 transitions. Second operand 9 states. [2018-04-11 13:25:34,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:34,531 INFO L93 Difference]: Finished difference Result 196 states and 225 transitions. [2018-04-11 13:25:34,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 13:25:34,533 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-04-11 13:25:34,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:34,533 INFO L225 Difference]: With dead ends: 196 [2018-04-11 13:25:34,533 INFO L226 Difference]: Without dead ends: 196 [2018-04-11 13:25:34,533 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-04-11 13:25:34,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-04-11 13:25:34,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 188. [2018-04-11 13:25:34,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-04-11 13:25:34,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 215 transitions. [2018-04-11 13:25:34,537 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 215 transitions. Word has length 32 [2018-04-11 13:25:34,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:34,537 INFO L459 AbstractCegarLoop]: Abstraction has 188 states and 215 transitions. [2018-04-11 13:25:34,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 13:25:34,537 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 215 transitions. [2018-04-11 13:25:34,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-11 13:25:34,537 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:34,538 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:34,538 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:34,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1510720003, now seen corresponding path program 1 times [2018-04-11 13:25:34,538 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:34,547 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:34,614 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 13:25:34,615 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:34,615 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 13:25:34,615 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:34,615 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 13:25:34,615 INFO L182 omatonBuilderFactory]: Interpolants [8880#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 8881#(and (= 8 (select |#length| |main_#t~mem19.base|)) (= |main_#t~mem19.offset| 0)), 8873#true, 8874#false, 8875#(= (select |#valid| main_~root~0.base) 1), 8876#(= (select |#valid| main_~n~0.base) 1), 8877#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| |main_#t~malloc17.base|)) (= 0 |main_#t~malloc17.offset|)), 8878#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8879#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)))] [2018-04-11 13:25:34,615 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 13:25:34,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 13:25:34,616 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 13:25:34,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 13:25:34,616 INFO L87 Difference]: Start difference. First operand 188 states and 215 transitions. Second operand 9 states. [2018-04-11 13:25:34,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:34,893 INFO L93 Difference]: Finished difference Result 195 states and 224 transitions. [2018-04-11 13:25:34,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 13:25:34,894 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-04-11 13:25:34,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:34,894 INFO L225 Difference]: With dead ends: 195 [2018-04-11 13:25:34,894 INFO L226 Difference]: Without dead ends: 195 [2018-04-11 13:25:34,895 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-04-11 13:25:34,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-04-11 13:25:34,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 187. [2018-04-11 13:25:34,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-04-11 13:25:34,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 214 transitions. [2018-04-11 13:25:34,898 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 214 transitions. Word has length 32 [2018-04-11 13:25:34,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:34,898 INFO L459 AbstractCegarLoop]: Abstraction has 187 states and 214 transitions. [2018-04-11 13:25:34,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 13:25:34,898 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 214 transitions. [2018-04-11 13:25:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 13:25:34,898 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:34,899 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:34,899 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:34,899 INFO L82 PathProgramCache]: Analyzing trace with hash 862110831, now seen corresponding path program 1 times [2018-04-11 13:25:34,899 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:34,906 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:34,920 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 13:25:34,921 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:34,921 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:25:34,921 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:34,921 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 13:25:34,921 INFO L182 omatonBuilderFactory]: Interpolants [9276#true, 9277#false, 9278#(= 1 (select |#valid| |main_#t~malloc27.base|)), 9279#(= 1 (select |#valid| main_~st~0.base))] [2018-04-11 13:25:34,921 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 13:25:34,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:25:34,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:25:34,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:25:34,922 INFO L87 Difference]: Start difference. First operand 187 states and 214 transitions. Second operand 4 states. [2018-04-11 13:25:35,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:35,009 INFO L93 Difference]: Finished difference Result 205 states and 233 transitions. [2018-04-11 13:25:35,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:25:35,009 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-04-11 13:25:35,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:35,010 INFO L225 Difference]: With dead ends: 205 [2018-04-11 13:25:35,010 INFO L226 Difference]: Without dead ends: 205 [2018-04-11 13:25:35,010 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 13:25:35,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-04-11 13:25:35,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 186. [2018-04-11 13:25:35,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-04-11 13:25:35,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 212 transitions. [2018-04-11 13:25:35,013 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 212 transitions. Word has length 33 [2018-04-11 13:25:35,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:35,013 INFO L459 AbstractCegarLoop]: Abstraction has 186 states and 212 transitions. [2018-04-11 13:25:35,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:25:35,014 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 212 transitions. [2018-04-11 13:25:35,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 13:25:35,014 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:35,014 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:35,014 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:35,014 INFO L82 PathProgramCache]: Analyzing trace with hash 862110832, now seen corresponding path program 1 times [2018-04-11 13:25:35,015 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:35,023 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:35,047 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 13:25:35,047 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:35,047 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:25:35,048 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:35,048 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 13:25:35,048 INFO L182 omatonBuilderFactory]: Interpolants [9673#true, 9674#false, 9675#(and (= 0 |main_#t~malloc27.offset|) (= 8 (select |#length| |main_#t~malloc27.base|))), 9676#(and (= main_~st~0.offset 0) (= 8 (select |#length| main_~st~0.base)))] [2018-04-11 13:25:35,048 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 13:25:35,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:25:35,048 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:25:35,049 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:25:35,049 INFO L87 Difference]: Start difference. First operand 186 states and 212 transitions. Second operand 4 states. [2018-04-11 13:25:35,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:35,175 INFO L93 Difference]: Finished difference Result 230 states and 256 transitions. [2018-04-11 13:25:35,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 13:25:35,176 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-04-11 13:25:35,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:35,177 INFO L225 Difference]: With dead ends: 230 [2018-04-11 13:25:35,177 INFO L226 Difference]: Without dead ends: 230 [2018-04-11 13:25:35,177 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 13:25:35,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-04-11 13:25:35,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 184. [2018-04-11 13:25:35,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-04-11 13:25:35,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 208 transitions. [2018-04-11 13:25:35,180 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 208 transitions. Word has length 33 [2018-04-11 13:25:35,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:35,180 INFO L459 AbstractCegarLoop]: Abstraction has 184 states and 208 transitions. [2018-04-11 13:25:35,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:25:35,180 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 208 transitions. [2018-04-11 13:25:35,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-11 13:25:35,181 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:35,181 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:35,181 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:35,181 INFO L82 PathProgramCache]: Analyzing trace with hash -746127005, now seen corresponding path program 1 times [2018-04-11 13:25:35,182 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:35,188 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:35,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:35,226 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:35,226 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-04-11 13:25:35,226 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:35,226 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 13:25:35,227 INFO L182 omatonBuilderFactory]: Interpolants [10096#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))), 10097#(and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|)), 10098#(and (= 0 main_~s~0.base) (= main_~s~0.offset 0)), 10094#true, 10095#false] [2018-04-11 13:25:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:35,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:25:35,227 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:25:35,227 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:25:35,227 INFO L87 Difference]: Start difference. First operand 184 states and 208 transitions. Second operand 5 states. [2018-04-11 13:25:35,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:35,293 INFO L93 Difference]: Finished difference Result 197 states and 222 transitions. [2018-04-11 13:25:35,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:25:35,293 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2018-04-11 13:25:35,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:35,294 INFO L225 Difference]: With dead ends: 197 [2018-04-11 13:25:35,294 INFO L226 Difference]: Without dead ends: 197 [2018-04-11 13:25:35,294 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:25:35,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-04-11 13:25:35,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 191. [2018-04-11 13:25:35,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-04-11 13:25:35,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 216 transitions. [2018-04-11 13:25:35,297 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 216 transitions. Word has length 36 [2018-04-11 13:25:35,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:35,297 INFO L459 AbstractCegarLoop]: Abstraction has 191 states and 216 transitions. [2018-04-11 13:25:35,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:25:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 216 transitions. [2018-04-11 13:25:35,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-11 13:25:35,298 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:35,298 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:35,298 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:35,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1655100458, now seen corresponding path program 1 times [2018-04-11 13:25:35,299 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:35,307 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:35,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:35,536 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:35,536 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 13:25:35,536 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:35,536 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 13:25:35,537 INFO L182 omatonBuilderFactory]: Interpolants [10496#(and (= main_~s~0.offset 0) (= |old(#valid)| (store (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4)) 0))), 10497#(and (= (store (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4)) 0) |old(#valid)|) (= main_~s~0.offset main_~st~0.offset)), 10498#(= (store (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) 0) |old(#valid)|), 10499#(= (store (store |#valid| main_~st~0.base 0) |main_#t~mem22.base| 0) |old(#valid)|), 10500#(= |old(#valid)| (store (store |#valid| main_~st~0.base 0) main_~n~0.base 0)), 10501#(= |old(#valid)| (store |#valid| main_~n~0.base 0)), 10489#true, 10490#false, 10491#(= |#valid| |old(#valid)|), 10492#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (= 0 |main_#t~malloc0.offset|)), 10493#(and (= (store |#valid| main_~root~0.base 0) |old(#valid)|) (= main_~root~0.offset 0)), 10494#(and (= (store (store |#valid| |main_#t~malloc20.base| 0) main_~root~0.base 0) |old(#valid)|) (= 0 |main_#t~malloc20.offset|) (= main_~root~0.offset 0)), 10495#(and (= 0 main_~s~0.offset) (= |old(#valid)| (store (store |#valid| main_~s~0.base 0) main_~root~0.base 0)) (= main_~root~0.offset 0))] [2018-04-11 13:25:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:35,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 13:25:35,537 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 13:25:35,537 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-04-11 13:25:35,537 INFO L87 Difference]: Start difference. First operand 191 states and 216 transitions. Second operand 13 states. [2018-04-11 13:25:36,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:36,110 INFO L93 Difference]: Finished difference Result 224 states and 251 transitions. [2018-04-11 13:25:36,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 13:25:36,110 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-04-11 13:25:36,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:36,111 INFO L225 Difference]: With dead ends: 224 [2018-04-11 13:25:36,112 INFO L226 Difference]: Without dead ends: 217 [2018-04-11 13:25:36,112 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2018-04-11 13:25:36,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-04-11 13:25:36,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 209. [2018-04-11 13:25:36,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-04-11 13:25:36,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 235 transitions. [2018-04-11 13:25:36,116 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 235 transitions. Word has length 37 [2018-04-11 13:25:36,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:36,116 INFO L459 AbstractCegarLoop]: Abstraction has 209 states and 235 transitions. [2018-04-11 13:25:36,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 13:25:36,116 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 235 transitions. [2018-04-11 13:25:36,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-11 13:25:36,116 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:36,117 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:36,117 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:36,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1326396508, now seen corresponding path program 1 times [2018-04-11 13:25:36,118 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:36,129 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:36,177 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:36,178 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 13:25:36,178 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:36,178 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 13:25:36,178 INFO L182 omatonBuilderFactory]: Interpolants [10960#(and (= 1 (select |#valid| main_~st~0.base)) (not (= main_~n~0.base main_~st~0.base))), 10961#(and (= 1 (select |#valid| main_~s~0.base)) (not (= main_~n~0.base main_~s~0.base))), 10962#(= 1 (select |#valid| main_~s~0.base)), 10955#true, 10956#false, 10957#(= 1 (select |#valid| main_~n~0.base)), 10958#(not (= main_~n~0.base |main_#t~malloc27.base|)), 10959#(not (= main_~n~0.base main_~st~0.base))] [2018-04-11 13:25:36,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:36,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 13:25:36,179 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 13:25:36,179 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:25:36,179 INFO L87 Difference]: Start difference. First operand 209 states and 235 transitions. Second operand 8 states. [2018-04-11 13:25:36,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:36,359 INFO L93 Difference]: Finished difference Result 229 states and 256 transitions. [2018-04-11 13:25:36,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 13:25:36,359 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2018-04-11 13:25:36,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:36,359 INFO L225 Difference]: With dead ends: 229 [2018-04-11 13:25:36,360 INFO L226 Difference]: Without dead ends: 229 [2018-04-11 13:25:36,360 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2018-04-11 13:25:36,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-04-11 13:25:36,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 218. [2018-04-11 13:25:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-04-11 13:25:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 248 transitions. [2018-04-11 13:25:36,362 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 248 transitions. Word has length 42 [2018-04-11 13:25:36,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:36,362 INFO L459 AbstractCegarLoop]: Abstraction has 218 states and 248 transitions. [2018-04-11 13:25:36,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 13:25:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 248 transitions. [2018-04-11 13:25:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-11 13:25:36,363 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:36,363 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:36,363 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:36,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1326396509, now seen corresponding path program 1 times [2018-04-11 13:25:36,363 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:36,381 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:36,418 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:36,418 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:25:36,418 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:36,418 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 13:25:36,418 INFO L182 omatonBuilderFactory]: Interpolants [11424#true, 11425#false, 11426#(and (= 0 |main_#t~malloc27.offset|) (= 8 (select |#length| |main_#t~malloc27.base|))), 11427#(and (= 0 main_~st~0.offset) (= 8 (select |#length| main_~st~0.base))), 11428#(and (= 8 (select |#length| main_~s~0.base)) (= main_~s~0.offset 0))] [2018-04-11 13:25:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:36,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:25:36,419 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:25:36,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:25:36,419 INFO L87 Difference]: Start difference. First operand 218 states and 248 transitions. Second operand 5 states. [2018-04-11 13:25:36,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:36,561 INFO L93 Difference]: Finished difference Result 282 states and 312 transitions. [2018-04-11 13:25:36,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:25:36,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2018-04-11 13:25:36,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:36,562 INFO L225 Difference]: With dead ends: 282 [2018-04-11 13:25:36,562 INFO L226 Difference]: Without dead ends: 282 [2018-04-11 13:25:36,562 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 13:25:36,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-04-11 13:25:36,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 220. [2018-04-11 13:25:36,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-04-11 13:25:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 248 transitions. [2018-04-11 13:25:36,565 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 248 transitions. Word has length 42 [2018-04-11 13:25:36,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:36,566 INFO L459 AbstractCegarLoop]: Abstraction has 220 states and 248 transitions. [2018-04-11 13:25:36,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:25:36,566 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 248 transitions. [2018-04-11 13:25:36,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-11 13:25:36,566 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:36,566 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:36,566 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:36,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1155279748, now seen corresponding path program 1 times [2018-04-11 13:25:36,567 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:36,575 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:36,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:36,624 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:36,624 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 13:25:36,625 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:36,625 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 13:25:36,625 INFO L182 omatonBuilderFactory]: Interpolants [11937#true, 11938#false, 11939#(= 1 (select |#valid| main_~n~0.base)), 11940#(and (= 1 (select |#valid| |main_#t~malloc24.base|)) (not (= |main_#t~malloc24.base| main_~n~0.base))), 11941#(and (= 1 (select |#valid| main_~st~0.base)) (not (= main_~n~0.base main_~st~0.base))), 11942#(and (= 1 (select |#valid| main_~s~0.base)) (not (= main_~n~0.base main_~s~0.base))), 11943#(= 1 (select |#valid| main_~s~0.base))] [2018-04-11 13:25:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:36,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 13:25:36,625 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 13:25:36,626 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-11 13:25:36,626 INFO L87 Difference]: Start difference. First operand 220 states and 248 transitions. Second operand 7 states. [2018-04-11 13:25:36,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:36,850 INFO L93 Difference]: Finished difference Result 269 states and 299 transitions. [2018-04-11 13:25:36,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 13:25:36,851 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2018-04-11 13:25:36,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:36,851 INFO L225 Difference]: With dead ends: 269 [2018-04-11 13:25:36,851 INFO L226 Difference]: Without dead ends: 269 [2018-04-11 13:25:36,852 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2018-04-11 13:25:36,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-04-11 13:25:36,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 230. [2018-04-11 13:25:36,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-04-11 13:25:36,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 264 transitions. [2018-04-11 13:25:36,855 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 264 transitions. Word has length 42 [2018-04-11 13:25:36,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:36,855 INFO L459 AbstractCegarLoop]: Abstraction has 230 states and 264 transitions. [2018-04-11 13:25:36,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 13:25:36,855 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 264 transitions. [2018-04-11 13:25:36,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-11 13:25:36,856 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:36,856 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:36,856 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:36,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1155279747, now seen corresponding path program 1 times [2018-04-11 13:25:36,857 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:36,864 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:36,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:36,901 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:36,902 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:25:36,902 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:36,902 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 13:25:36,902 INFO L182 omatonBuilderFactory]: Interpolants [12459#true, 12460#false, 12461#(and (= 0 |main_#t~malloc24.offset|) (= 8 (select |#length| |main_#t~malloc24.base|))), 12462#(and (= 0 main_~st~0.offset) (= 8 (select |#length| main_~st~0.base))), 12463#(and (= 8 (select |#length| main_~s~0.base)) (= main_~s~0.offset 0))] [2018-04-11 13:25:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:36,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:25:36,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:25:36,903 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:25:36,903 INFO L87 Difference]: Start difference. First operand 230 states and 264 transitions. Second operand 5 states. [2018-04-11 13:25:37,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:37,034 INFO L93 Difference]: Finished difference Result 319 states and 354 transitions. [2018-04-11 13:25:37,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 13:25:37,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2018-04-11 13:25:37,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:37,035 INFO L225 Difference]: With dead ends: 319 [2018-04-11 13:25:37,035 INFO L226 Difference]: Without dead ends: 319 [2018-04-11 13:25:37,035 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:25:37,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-04-11 13:25:37,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 221. [2018-04-11 13:25:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-04-11 13:25:37,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2018-04-11 13:25:37,039 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 42 [2018-04-11 13:25:37,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:37,039 INFO L459 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2018-04-11 13:25:37,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:25:37,039 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2018-04-11 13:25:37,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-11 13:25:37,040 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:37,040 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:37,040 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:37,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1831380995, now seen corresponding path program 1 times [2018-04-11 13:25:37,041 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:37,051 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:37,084 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:37,084 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 13:25:37,085 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:37,085 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 13:25:37,085 INFO L182 omatonBuilderFactory]: Interpolants [13012#true, 13013#false, 13014#(not (= |main_#t~malloc27.base| 0)), 13015#(not (= main_~st~0.base 0)), 13016#(not (= main_~s~0.base 0))] [2018-04-11 13:25:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:37,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:25:37,086 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:25:37,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:25:37,086 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand 5 states. [2018-04-11 13:25:37,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:37,119 INFO L93 Difference]: Finished difference Result 303 states and 341 transitions. [2018-04-11 13:25:37,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:25:37,119 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-04-11 13:25:37,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:37,120 INFO L225 Difference]: With dead ends: 303 [2018-04-11 13:25:37,120 INFO L226 Difference]: Without dead ends: 303 [2018-04-11 13:25:37,120 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 13:25:37,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-04-11 13:25:37,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 227. [2018-04-11 13:25:37,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-04-11 13:25:37,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 258 transitions. [2018-04-11 13:25:37,122 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 258 transitions. Word has length 43 [2018-04-11 13:25:37,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:37,123 INFO L459 AbstractCegarLoop]: Abstraction has 227 states and 258 transitions. [2018-04-11 13:25:37,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:25:37,123 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 258 transitions. [2018-04-11 13:25:37,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-11 13:25:37,123 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:37,123 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:37,124 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:37,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1453933603, now seen corresponding path program 1 times [2018-04-11 13:25:37,124 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:37,131 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:37,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:37,170 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:37,170 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 13:25:37,170 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:37,170 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 13:25:37,170 INFO L182 omatonBuilderFactory]: Interpolants [13553#true, 13554#false, 13555#(not (= 0 |main_#t~malloc24.base|)), 13556#(not (= 0 main_~st~0.base)), 13557#(not (= 0 main_~s~0.base))] [2018-04-11 13:25:37,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:37,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:25:37,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:25:37,171 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:25:37,171 INFO L87 Difference]: Start difference. First operand 227 states and 258 transitions. Second operand 5 states. [2018-04-11 13:25:37,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:37,221 INFO L93 Difference]: Finished difference Result 316 states and 349 transitions. [2018-04-11 13:25:37,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 13:25:37,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-04-11 13:25:37,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:37,222 INFO L225 Difference]: With dead ends: 316 [2018-04-11 13:25:37,222 INFO L226 Difference]: Without dead ends: 316 [2018-04-11 13:25:37,223 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:25:37,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-04-11 13:25:37,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 221. [2018-04-11 13:25:37,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-04-11 13:25:37,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2018-04-11 13:25:37,225 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 43 [2018-04-11 13:25:37,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:37,225 INFO L459 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2018-04-11 13:25:37,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:25:37,226 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2018-04-11 13:25:37,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-11 13:25:37,226 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:37,226 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:37,226 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:37,226 INFO L82 PathProgramCache]: Analyzing trace with hash 2140724876, now seen corresponding path program 1 times [2018-04-11 13:25:37,227 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:37,236 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:37,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:37,372 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:37,372 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-11 13:25:37,372 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:37,372 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 13:25:37,373 INFO L182 omatonBuilderFactory]: Interpolants [14112#(and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0) (= main_~n~0.offset 0)), 14113#(and (= main_~n~0.offset 0) (not |main_#t~short4|)), 14103#true, 14104#false, 14105#(= 0 |main_#t~malloc0.offset|), 14106#(= main_~root~0.offset 0), 14107#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 14108#(and (= |main_#t~mem14.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))), 14109#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)) (not |main_#t~short16|)), 14110#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 14111#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))] [2018-04-11 13:25:37,373 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:37,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 13:25:37,373 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 13:25:37,373 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-11 13:25:37,373 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand 11 states. [2018-04-11 13:25:37,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:37,779 INFO L93 Difference]: Finished difference Result 269 states and 307 transitions. [2018-04-11 13:25:37,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 13:25:37,779 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 48 [2018-04-11 13:25:37,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:37,780 INFO L225 Difference]: With dead ends: 269 [2018-04-11 13:25:37,780 INFO L226 Difference]: Without dead ends: 269 [2018-04-11 13:25:37,780 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2018-04-11 13:25:37,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-04-11 13:25:37,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 247. [2018-04-11 13:25:37,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-04-11 13:25:37,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 282 transitions. [2018-04-11 13:25:37,783 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 282 transitions. Word has length 48 [2018-04-11 13:25:37,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:37,783 INFO L459 AbstractCegarLoop]: Abstraction has 247 states and 282 transitions. [2018-04-11 13:25:37,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 13:25:37,783 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 282 transitions. [2018-04-11 13:25:37,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-11 13:25:37,783 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:37,783 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:37,783 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:37,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1839300468, now seen corresponding path program 1 times [2018-04-11 13:25:37,784 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:37,792 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:37,965 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:37,965 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:37,966 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-11 13:25:37,966 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:37,966 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 13:25:37,966 INFO L182 omatonBuilderFactory]: Interpolants [14656#(= (select |#valid| main_~root~0.base) 1), 14657#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 14658#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.base|) (= main_~n~0.offset main_~root~0.offset)), 14659#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)) |main_#t~short4|)), 14660#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 14661#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 14662#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 14663#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 14664#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 14665#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 14666#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 14667#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 14668#(not |main_#t~short4|), 14654#true, 14655#false] [2018-04-11 13:25:37,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:37,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 13:25:37,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 13:25:37,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2018-04-11 13:25:37,967 INFO L87 Difference]: Start difference. First operand 247 states and 282 transitions. Second operand 15 states. [2018-04-11 13:25:38,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:38,645 INFO L93 Difference]: Finished difference Result 346 states and 403 transitions. [2018-04-11 13:25:38,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 13:25:38,645 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 48 [2018-04-11 13:25:38,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:38,646 INFO L225 Difference]: With dead ends: 346 [2018-04-11 13:25:38,646 INFO L226 Difference]: Without dead ends: 346 [2018-04-11 13:25:38,647 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2018-04-11 13:25:38,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-04-11 13:25:38,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 286. [2018-04-11 13:25:38,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2018-04-11 13:25:38,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 331 transitions. [2018-04-11 13:25:38,651 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 331 transitions. Word has length 48 [2018-04-11 13:25:38,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:38,651 INFO L459 AbstractCegarLoop]: Abstraction has 286 states and 331 transitions. [2018-04-11 13:25:38,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 13:25:38,651 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 331 transitions. [2018-04-11 13:25:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-11 13:25:38,652 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:38,652 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:38,652 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:38,652 INFO L82 PathProgramCache]: Analyzing trace with hash 920609223, now seen corresponding path program 1 times [2018-04-11 13:25:38,653 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:38,667 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:39,248 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:39,248 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-11 13:25:39,249 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:39,249 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 13:25:39,249 INFO L182 omatonBuilderFactory]: Interpolants [15323#true, 15324#false, 15325#(= 0 |main_#t~malloc0.offset|), 15326#(= main_~root~0.offset 0), 15327#(and (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 15328#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 15329#(and (not (= |main_#t~malloc20.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 |main_#t~malloc20.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 15330#(and (not (= main_~root~0.base main_~s~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~s~0.offset 0) (= main_~root~0.offset 0)), 15331#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (= main_~s~0.offset 0) (or (= 0 (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))))), 15332#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (= main_~s~0.offset main_~st~0.offset) (or (= 0 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~st~0.offset 0)), 15333#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))) (= main_~st~0.offset 0) (or (= 0 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))))), 15334#(and (or (= 0 (select (store |#valid| main_~st~0.base 0) |main_#t~mem22.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))) (= main_~st~0.offset 0)), 15335#(and (or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (or (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (store |#valid| main_~st~0.base 0) main_~n~0.base))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= main_~st~0.offset 0)), 15336#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (or (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (store |#valid| main_~st~0.base 0) main_~n~0.base))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 15337#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (or (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select |#valid| main_~n~0.base))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 15338#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= 1 main_~n~0.offset)), 15339#(or (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem26.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 15340#(<= 1 main_~n~0.offset), 15341#(or (<= 1 main_~n~0.offset) (= main_~n~0.base |main_#t~malloc27.base|)), 15342#(or (<= 1 main_~n~0.offset) (= main_~n~0.base main_~st~0.base)), 15343#(and (or (<= 1 main_~n~0.offset) (= main_~n~0.base main_~st~0.base)) (= (select |#valid| main_~n~0.base) 1)), 15344#(and (= (select |#valid| main_~n~0.base) 1) (or (= main_~s~0.base main_~n~0.base) (<= 1 main_~n~0.offset))), 15345#(and (= main_~s~0.base main_~n~0.base) (= (select |#valid| main_~n~0.base) 1)), 15346#(= main_~s~0.base main_~n~0.base), 15347#(not (= (select |#valid| main_~s~0.base) 1))] [2018-04-11 13:25:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:39,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 13:25:39,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 13:25:39,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2018-04-11 13:25:39,250 INFO L87 Difference]: Start difference. First operand 286 states and 331 transitions. Second operand 25 states. [2018-04-11 13:25:40,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:40,316 INFO L93 Difference]: Finished difference Result 320 states and 368 transitions. [2018-04-11 13:25:40,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-11 13:25:40,316 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 49 [2018-04-11 13:25:40,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:40,316 INFO L225 Difference]: With dead ends: 320 [2018-04-11 13:25:40,317 INFO L226 Difference]: Without dead ends: 311 [2018-04-11 13:25:40,317 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=373, Invalid=1979, Unknown=0, NotChecked=0, Total=2352 [2018-04-11 13:25:40,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-04-11 13:25:40,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 284. [2018-04-11 13:25:40,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-04-11 13:25:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 328 transitions. [2018-04-11 13:25:40,320 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 328 transitions. Word has length 49 [2018-04-11 13:25:40,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:40,320 INFO L459 AbstractCegarLoop]: Abstraction has 284 states and 328 transitions. [2018-04-11 13:25:40,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 13:25:40,321 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 328 transitions. [2018-04-11 13:25:40,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-11 13:25:40,321 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:40,321 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:40,321 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:40,322 INFO L82 PathProgramCache]: Analyzing trace with hash -2072224345, now seen corresponding path program 1 times [2018-04-11 13:25:40,322 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:40,341 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:40,835 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:40,835 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 13:25:40,835 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:40,835 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 13:25:40,835 INFO L182 omatonBuilderFactory]: Interpolants [16000#true, 16001#false, 16002#(= 0 |main_#t~malloc0.offset|), 16003#(= main_~root~0.offset 0), 16004#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 16005#(and (not (= |main_#t~malloc20.base| main_~root~0.base)) (= 0 |main_#t~malloc20.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 16006#(and (not (= main_~root~0.base main_~s~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 16007#(and (or (= 0 (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) 0))) (= main_~s~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4))))), 16008#(and (or (= 0 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) 0))) (= main_~s~0.offset main_~st~0.offset) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~s~0.offset 4))))), 16009#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4)))) (= main_~st~0.offset 0) (or (= 0 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 0)))), 16010#(and (or (= 0 (select (store |#valid| main_~st~0.base 0) |main_#t~mem22.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) 0))) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|))), 16011#(and (or (not (= 0 main_~n~0.offset)) (= 0 (select (store |#valid| main_~st~0.base 0) main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 16012#(and (or (not (= 0 main_~n~0.offset)) (= 0 (select (store |#valid| main_~st~0.base 0) main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 16013#(and (or (not (= 0 main_~n~0.offset)) (= 0 (select |#valid| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 16014#(and (= 0 |main_#t~mem23.base|) (or (not (= 0 main_~n~0.offset)) (= 0 |main_#t~mem23.offset|))), 16015#(not (= 0 main_~n~0.offset)), 16016#(or (not (= 0 main_~n~0.offset)) (= main_~n~0.base main_~st~0.base)), 16017#(and (= (select |#valid| main_~n~0.base) 1) (or (not (= 0 main_~n~0.offset)) (= main_~n~0.base main_~st~0.base))), 16018#(and (= (select |#valid| main_~n~0.base) 1) (or (not (= 0 main_~n~0.offset)) (= main_~s~0.base main_~n~0.base))), 16019#(and (= main_~s~0.base main_~n~0.base) (= (select |#valid| main_~n~0.base) 1)), 16020#(= main_~s~0.base main_~n~0.base), 16021#(not (= (select |#valid| main_~s~0.base) 1))] [2018-04-11 13:25:40,836 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:40,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 13:25:40,836 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 13:25:40,836 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2018-04-11 13:25:40,836 INFO L87 Difference]: Start difference. First operand 284 states and 328 transitions. Second operand 22 states. [2018-04-11 13:25:41,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:41,744 INFO L93 Difference]: Finished difference Result 307 states and 352 transitions. [2018-04-11 13:25:41,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 13:25:41,744 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 49 [2018-04-11 13:25:41,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:41,745 INFO L225 Difference]: With dead ends: 307 [2018-04-11 13:25:41,745 INFO L226 Difference]: Without dead ends: 275 [2018-04-11 13:25:41,746 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=236, Invalid=1324, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 13:25:41,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-04-11 13:25:41,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 268. [2018-04-11 13:25:41,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-04-11 13:25:41,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 311 transitions. [2018-04-11 13:25:41,749 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 311 transitions. Word has length 49 [2018-04-11 13:25:41,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:41,749 INFO L459 AbstractCegarLoop]: Abstraction has 268 states and 311 transitions. [2018-04-11 13:25:41,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 13:25:41,750 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 311 transitions. [2018-04-11 13:25:41,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-11 13:25:41,750 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:41,750 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:41,750 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:41,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1631945112, now seen corresponding path program 1 times [2018-04-11 13:25:41,751 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:41,761 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:41,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:41,933 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:41,933 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-11 13:25:41,933 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:41,933 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 13:25:41,933 INFO L182 omatonBuilderFactory]: Interpolants [16640#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 16641#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 16642#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset 0)), 16643#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 16644#(and (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 16645#(= 1 (select |#valid| |main_#t~mem7.base|)), 16646#(= 1 (select |#valid| main_~n~0.base)), 16633#true, 16634#false, 16635#(= 0 |main_#t~malloc0.offset|), 16636#(= main_~root~0.offset 0), 16637#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 16638#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 16639#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0))] [2018-04-11 13:25:41,933 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:41,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 13:25:41,933 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 13:25:41,933 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-04-11 13:25:41,934 INFO L87 Difference]: Start difference. First operand 268 states and 311 transitions. Second operand 14 states. [2018-04-11 13:25:42,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:42,393 INFO L93 Difference]: Finished difference Result 593 states and 717 transitions. [2018-04-11 13:25:42,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 13:25:42,394 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 56 [2018-04-11 13:25:42,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:42,395 INFO L225 Difference]: With dead ends: 593 [2018-04-11 13:25:42,395 INFO L226 Difference]: Without dead ends: 593 [2018-04-11 13:25:42,395 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=250, Invalid=562, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:25:42,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-04-11 13:25:42,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 315. [2018-04-11 13:25:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-04-11 13:25:42,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 381 transitions. [2018-04-11 13:25:42,400 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 381 transitions. Word has length 56 [2018-04-11 13:25:42,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:42,400 INFO L459 AbstractCegarLoop]: Abstraction has 315 states and 381 transitions. [2018-04-11 13:25:42,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 13:25:42,400 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 381 transitions. [2018-04-11 13:25:42,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-11 13:25:42,401 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:42,401 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:42,401 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:42,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1631945113, now seen corresponding path program 1 times [2018-04-11 13:25:42,402 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:42,417 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:42,663 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:42,663 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:42,663 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-11 13:25:42,664 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:42,664 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 13:25:42,664 INFO L182 omatonBuilderFactory]: Interpolants [17585#true, 17586#false, 17587#(= 0 |main_#t~malloc0.offset|), 17588#(= main_~root~0.offset 0), 17589#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 17590#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 17591#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 17592#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 17593#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 17594#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 17595#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 17596#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0)), 17597#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 17598#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)))] [2018-04-11 13:25:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:42,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 13:25:42,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 13:25:42,664 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-04-11 13:25:42,664 INFO L87 Difference]: Start difference. First operand 315 states and 381 transitions. Second operand 14 states. [2018-04-11 13:25:43,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:43,389 INFO L93 Difference]: Finished difference Result 641 states and 776 transitions. [2018-04-11 13:25:43,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 13:25:43,389 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 56 [2018-04-11 13:25:43,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:43,391 INFO L225 Difference]: With dead ends: 641 [2018-04-11 13:25:43,391 INFO L226 Difference]: Without dead ends: 641 [2018-04-11 13:25:43,391 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:25:43,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2018-04-11 13:25:43,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 349. [2018-04-11 13:25:43,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-04-11 13:25:43,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 423 transitions. [2018-04-11 13:25:43,397 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 423 transitions. Word has length 56 [2018-04-11 13:25:43,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:43,397 INFO L459 AbstractCegarLoop]: Abstraction has 349 states and 423 transitions. [2018-04-11 13:25:43,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 13:25:43,397 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 423 transitions. [2018-04-11 13:25:43,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-11 13:25:43,398 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:43,398 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:43,398 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:43,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1626219474, now seen corresponding path program 1 times [2018-04-11 13:25:43,399 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:43,410 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:43,646 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:43,646 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:43,646 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-11 13:25:43,646 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:43,647 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 13:25:43,647 INFO L182 omatonBuilderFactory]: Interpolants [18624#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 18625#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 18626#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 18627#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 18628#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 18629#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 18630#(and (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 18631#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 18632#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 18633#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 18634#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 18635#(= 1 (select |#valid| |main_#t~mem6.base|)), 18636#(= 1 (select |#valid| main_~n~0.base)), 18619#true, 18620#false, 18621#(= (select |#valid| main_~root~0.base) 1), 18622#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 18623#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset))] [2018-04-11 13:25:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:43,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 13:25:43,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 13:25:43,647 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2018-04-11 13:25:43,647 INFO L87 Difference]: Start difference. First operand 349 states and 423 transitions. Second operand 18 states. [2018-04-11 13:25:44,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:44,353 INFO L93 Difference]: Finished difference Result 831 states and 1042 transitions. [2018-04-11 13:25:44,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 13:25:44,353 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 56 [2018-04-11 13:25:44,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:44,355 INFO L225 Difference]: With dead ends: 831 [2018-04-11 13:25:44,355 INFO L226 Difference]: Without dead ends: 831 [2018-04-11 13:25:44,355 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=443, Invalid=1197, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 13:25:44,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2018-04-11 13:25:44,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 485. [2018-04-11 13:25:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2018-04-11 13:25:44,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 618 transitions. [2018-04-11 13:25:44,360 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 618 transitions. Word has length 56 [2018-04-11 13:25:44,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:44,360 INFO L459 AbstractCegarLoop]: Abstraction has 485 states and 618 transitions. [2018-04-11 13:25:44,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 13:25:44,360 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 618 transitions. [2018-04-11 13:25:44,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-11 13:25:44,361 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:44,361 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:44,361 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:44,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1626219475, now seen corresponding path program 1 times [2018-04-11 13:25:44,361 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:44,369 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:44,605 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:44,605 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:44,605 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-11 13:25:44,605 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:44,605 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 13:25:44,605 INFO L182 omatonBuilderFactory]: Interpolants [20000#false, 20001#(= (select |#valid| main_~root~0.base) 1), 20002#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 20003#(and (= main_~n~0.base main_~root~0.base) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 20004#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 20005#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 20006#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 20007#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 20008#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 20009#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 20010#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 20011#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base))), 20012#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))), 20013#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 20014#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|))), 20015#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 19999#true] [2018-04-11 13:25:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:44,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 13:25:44,606 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 13:25:44,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2018-04-11 13:25:44,606 INFO L87 Difference]: Start difference. First operand 485 states and 618 transitions. Second operand 17 states. [2018-04-11 13:25:45,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:45,457 INFO L93 Difference]: Finished difference Result 936 states and 1173 transitions. [2018-04-11 13:25:45,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 13:25:45,457 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 56 [2018-04-11 13:25:45,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:45,459 INFO L225 Difference]: With dead ends: 936 [2018-04-11 13:25:45,459 INFO L226 Difference]: Without dead ends: 936 [2018-04-11 13:25:45,459 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=379, Invalid=1181, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 13:25:45,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2018-04-11 13:25:45,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 499. [2018-04-11 13:25:45,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2018-04-11 13:25:45,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 637 transitions. [2018-04-11 13:25:45,464 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 637 transitions. Word has length 56 [2018-04-11 13:25:45,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:45,464 INFO L459 AbstractCegarLoop]: Abstraction has 499 states and 637 transitions. [2018-04-11 13:25:45,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 13:25:45,464 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 637 transitions. [2018-04-11 13:25:45,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-11 13:25:45,465 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:45,465 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:45,465 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:45,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1865966095, now seen corresponding path program 1 times [2018-04-11 13:25:45,465 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:45,475 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:45,808 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:45,808 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-04-11 13:25:45,808 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:45,808 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 13:25:45,808 INFO L182 omatonBuilderFactory]: Interpolants [21504#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset) 0))), 21505#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset) 0))), 21506#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset) 0))), 21507#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset) 0))), 21508#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 21509#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 |main_#t~malloc20.offset|) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|))), 21510#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base))), 21511#(and (= main_~s~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ 0 4))) 0))), 21512#(and (= main_~s~0.offset main_~st~0.offset) (= main_~st~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) 0))), 21513#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) 0)) (= main_~st~0.offset 0)), 21514#(and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) 0)) (= main_~st~0.offset 0) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4)))), 21515#(and (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) 0)) (= main_~st~0.offset 0)), 21516#(not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)), 21517#(and (= |main_#t~mem23.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))), 21497#true, 21498#false, 21499#(= 0 |main_#t~malloc0.offset|), 21500#(= main_~root~0.offset 0), 21501#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 21502#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 21503#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))] [2018-04-11 13:25:45,808 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:45,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 13:25:45,808 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 13:25:45,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:25:45,809 INFO L87 Difference]: Start difference. First operand 499 states and 637 transitions. Second operand 21 states. [2018-04-11 13:25:46,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:46,749 INFO L93 Difference]: Finished difference Result 798 states and 997 transitions. [2018-04-11 13:25:46,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-11 13:25:46,749 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 61 [2018-04-11 13:25:46,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:46,751 INFO L225 Difference]: With dead ends: 798 [2018-04-11 13:25:46,752 INFO L226 Difference]: Without dead ends: 798 [2018-04-11 13:25:46,752 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=315, Invalid=1325, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 13:25:46,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2018-04-11 13:25:46,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 565. [2018-04-11 13:25:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2018-04-11 13:25:46,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 719 transitions. [2018-04-11 13:25:46,759 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 719 transitions. Word has length 61 [2018-04-11 13:25:46,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:46,760 INFO L459 AbstractCegarLoop]: Abstraction has 565 states and 719 transitions. [2018-04-11 13:25:46,760 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 13:25:46,760 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 719 transitions. [2018-04-11 13:25:46,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-11 13:25:46,760 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:46,761 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:46,761 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:46,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1069104113, now seen corresponding path program 1 times [2018-04-11 13:25:46,761 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:46,773 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:47,217 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:25:47,217 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-04-11 13:25:47,217 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:47,218 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 13:25:47,218 INFO L182 omatonBuilderFactory]: Interpolants [22921#true, 22922#false, 22923#(= 0 |main_#t~malloc0.offset|), 22924#(= main_~root~0.offset 0), 22925#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 22926#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0)), 22927#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= main_~root~0.offset 0) (not (= 0 |main_#t~malloc17.base|))), 22928#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 22929#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0)), 22930#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 22931#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 22932#(and (= 0 |main_#t~malloc20.offset|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|))), 22933#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base))), 22934#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~s~0.offset 0)), 22935#(and (= main_~s~0.offset main_~st~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~st~0.offset 0)), 22936#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))) (= main_~st~0.offset 0)), 22937#(and (= main_~st~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))))), 22938#(and (or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= main_~st~0.offset 0)), 22939#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 22940#(or (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 22941#(or (<= 1 main_~n~0.offset) (not (= 0 |main_#t~mem26.base|))), 22942#(<= 1 main_~n~0.offset)] [2018-04-11 13:25:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:47,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 13:25:47,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 13:25:47,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2018-04-11 13:25:47,219 INFO L87 Difference]: Start difference. First operand 565 states and 719 transitions. Second operand 22 states. [2018-04-11 13:25:48,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:48,161 INFO L93 Difference]: Finished difference Result 916 states and 1146 transitions. [2018-04-11 13:25:48,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 13:25:48,162 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 61 [2018-04-11 13:25:48,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:48,163 INFO L225 Difference]: With dead ends: 916 [2018-04-11 13:25:48,163 INFO L226 Difference]: Without dead ends: 915 [2018-04-11 13:25:48,164 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=366, Invalid=1614, Unknown=0, NotChecked=0, Total=1980 [2018-04-11 13:25:48,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2018-04-11 13:25:48,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 633. [2018-04-11 13:25:48,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-04-11 13:25:48,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 804 transitions. [2018-04-11 13:25:48,170 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 804 transitions. Word has length 61 [2018-04-11 13:25:48,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:48,170 INFO L459 AbstractCegarLoop]: Abstraction has 633 states and 804 transitions. [2018-04-11 13:25:48,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 13:25:48,170 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 804 transitions. [2018-04-11 13:25:48,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-11 13:25:48,170 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:48,171 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:48,171 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:48,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1218577044, now seen corresponding path program 2 times [2018-04-11 13:25:48,171 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:48,180 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:48,538 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:48,538 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-11 13:25:48,538 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:48,538 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 13:25:48,538 INFO L182 omatonBuilderFactory]: Interpolants [24544#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 24545#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 24546#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= |main_#t~mem18.offset| 0) (= main_~root~0.offset 0)), 24547#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 24548#(and (not (= (+ |main_#t~mem19.offset| 4) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0)) (= main_~root~0.offset 0)), 24549#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 24550#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))), 24551#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= |main_#t~mem3.offset| 0) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem3.offset|)), 24552#(and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 24553#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset|))), 24554#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 24555#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 24556#(not |main_#t~short4|), 24538#true, 24539#false, 24540#(= 0 |main_#t~malloc0.offset|), 24541#(= main_~root~0.offset 0), 24542#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 24543#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0))] [2018-04-11 13:25:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:48,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 13:25:48,539 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 13:25:48,539 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-04-11 13:25:48,539 INFO L87 Difference]: Start difference. First operand 633 states and 804 transitions. Second operand 19 states. [2018-04-11 13:25:49,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:49,478 INFO L93 Difference]: Finished difference Result 943 states and 1177 transitions. [2018-04-11 13:25:49,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 13:25:49,478 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 66 [2018-04-11 13:25:49,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:49,480 INFO L225 Difference]: With dead ends: 943 [2018-04-11 13:25:49,480 INFO L226 Difference]: Without dead ends: 943 [2018-04-11 13:25:49,480 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=435, Invalid=1635, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 13:25:49,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2018-04-11 13:25:49,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 632. [2018-04-11 13:25:49,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2018-04-11 13:25:49,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 800 transitions. [2018-04-11 13:25:49,486 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 800 transitions. Word has length 66 [2018-04-11 13:25:49,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:49,486 INFO L459 AbstractCegarLoop]: Abstraction has 632 states and 800 transitions. [2018-04-11 13:25:49,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 13:25:49,486 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 800 transitions. [2018-04-11 13:25:49,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-11 13:25:49,486 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:49,486 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:49,487 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:49,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1175150810, now seen corresponding path program 1 times [2018-04-11 13:25:49,487 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:49,500 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:50,071 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:50,071 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 13:25:50,071 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:50,071 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 13:25:50,071 INFO L182 omatonBuilderFactory]: Interpolants [26186#true, 26187#false, 26188#(= (select |#valid| main_~root~0.base) 1), 26189#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 26190#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 26191#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 26192#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (= |main_#t~mem12.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 26193#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 26194#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (+ |main_#t~mem13.offset| 4))) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 26195#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 26196#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 26197#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 26198#(and (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 26199#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 26200#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 26201#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 26202#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) |main_#t~mem6.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) |main_#t~mem6.offset|))), 26203#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 26204#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 26205#(not |main_#t~short4|)] [2018-04-11 13:25:50,072 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:50,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-11 13:25:50,072 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-11 13:25:50,072 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2018-04-11 13:25:50,072 INFO L87 Difference]: Start difference. First operand 632 states and 800 transitions. Second operand 20 states. [2018-04-11 13:25:51,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:51,119 INFO L93 Difference]: Finished difference Result 979 states and 1225 transitions. [2018-04-11 13:25:51,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 13:25:51,119 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 66 [2018-04-11 13:25:51,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:51,121 INFO L225 Difference]: With dead ends: 979 [2018-04-11 13:25:51,121 INFO L226 Difference]: Without dead ends: 979 [2018-04-11 13:25:51,121 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=401, Invalid=1669, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 13:25:51,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2018-04-11 13:25:51,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 743. [2018-04-11 13:25:51,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2018-04-11 13:25:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 946 transitions. [2018-04-11 13:25:51,127 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 946 transitions. Word has length 66 [2018-04-11 13:25:51,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:51,127 INFO L459 AbstractCegarLoop]: Abstraction has 743 states and 946 transitions. [2018-04-11 13:25:51,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-11 13:25:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 946 transitions. [2018-04-11 13:25:51,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-11 13:25:51,128 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:51,128 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:51,128 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:51,128 INFO L82 PathProgramCache]: Analyzing trace with hash 748616595, now seen corresponding path program 1 times [2018-04-11 13:25:51,128 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:51,141 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:51,598 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:51,598 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 13:25:51,598 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:51,598 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 13:25:51,598 INFO L182 omatonBuilderFactory]: Interpolants [28000#(= 1 (select |#valid| main_~n~0.base)), 27980#true, 27981#false, 27982#(= 0 |main_#t~malloc0.offset|), 27983#(= 0 main_~root~0.offset), 27984#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1)), 27985#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset)), 27986#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= 0 main_~root~0.offset) (= main_~root~0.offset main_~n~0.offset)), 27987#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 27988#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 27989#(and (= 0 main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)), 27990#(and (= 0 main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1)), 27991#(and (not (= main_~n~0.offset (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 27992#(and (not (= main_~n~0.offset (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 27993#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 27994#(and (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 27995#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 27996#(and (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 27997#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))), 27998#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 27999#(= 1 (select |#valid| |main_#t~mem7.base|))] [2018-04-11 13:25:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:51,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 13:25:51,599 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 13:25:51,599 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:25:51,599 INFO L87 Difference]: Start difference. First operand 743 states and 946 transitions. Second operand 21 states. [2018-04-11 13:25:52,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:52,665 INFO L93 Difference]: Finished difference Result 1321 states and 1676 transitions. [2018-04-11 13:25:52,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 13:25:52,665 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 72 [2018-04-11 13:25:52,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:52,668 INFO L225 Difference]: With dead ends: 1321 [2018-04-11 13:25:52,668 INFO L226 Difference]: Without dead ends: 1321 [2018-04-11 13:25:52,668 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=696, Invalid=1656, Unknown=0, NotChecked=0, Total=2352 [2018-04-11 13:25:52,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2018-04-11 13:25:52,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 844. [2018-04-11 13:25:52,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 844 states. [2018-04-11 13:25:52,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1086 transitions. [2018-04-11 13:25:52,677 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1086 transitions. Word has length 72 [2018-04-11 13:25:52,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:52,677 INFO L459 AbstractCegarLoop]: Abstraction has 844 states and 1086 transitions. [2018-04-11 13:25:52,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 13:25:52,677 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1086 transitions. [2018-04-11 13:25:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-11 13:25:52,677 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:52,678 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:52,678 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:52,678 INFO L82 PathProgramCache]: Analyzing trace with hash 748616596, now seen corresponding path program 1 times [2018-04-11 13:25:52,678 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:52,689 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:53,338 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:53,338 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:53,338 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-11 13:25:53,338 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:53,338 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 13:25:53,339 INFO L182 omatonBuilderFactory]: Interpolants [30222#true, 30223#false, 30224#(= 0 |main_#t~malloc0.offset|), 30225#(= 0 main_~root~0.offset), 30226#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1)), 30227#(and (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)), 30228#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset)), 30229#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset)), 30230#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| |main_#t~malloc17.base|)) (= main_~root~0.offset main_~n~0.offset) (= 0 |main_#t~malloc17.offset|)), 30231#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 30232#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 30233#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 main_~root~0.offset) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)), 30234#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)), 30235#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 30236#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 30237#(and (or (and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)) |main_#t~short4|) (= (select |#valid| main_~n~0.base) 1)), 30238#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 30239#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~malloc11.offset|) (= main_~n~0.offset main_~root~0.offset)), 30240#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 30241#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 30242#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 30243#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 30244#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 30245#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 30246#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 30247#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)))] [2018-04-11 13:25:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:53,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 13:25:53,339 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 13:25:53,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2018-04-11 13:25:53,339 INFO L87 Difference]: Start difference. First operand 844 states and 1086 transitions. Second operand 26 states. [2018-04-11 13:25:55,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:55,582 INFO L93 Difference]: Finished difference Result 1965 states and 2498 transitions. [2018-04-11 13:25:55,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-11 13:25:55,583 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 72 [2018-04-11 13:25:55,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:55,585 INFO L225 Difference]: With dead ends: 1965 [2018-04-11 13:25:55,586 INFO L226 Difference]: Without dead ends: 1965 [2018-04-11 13:25:55,586 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1301 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1326, Invalid=3930, Unknown=0, NotChecked=0, Total=5256 [2018-04-11 13:25:55,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2018-04-11 13:25:55,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1057. [2018-04-11 13:25:55,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2018-04-11 13:25:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1370 transitions. [2018-04-11 13:25:55,595 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1370 transitions. Word has length 72 [2018-04-11 13:25:55,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:55,596 INFO L459 AbstractCegarLoop]: Abstraction has 1057 states and 1370 transitions. [2018-04-11 13:25:55,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 13:25:55,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1370 transitions. [2018-04-11 13:25:55,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 13:25:55,596 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:55,596 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:55,597 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:55,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1134657346, now seen corresponding path program 1 times [2018-04-11 13:25:55,597 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:55,613 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:56,632 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:56,632 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 13:25:56,632 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:56,632 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 13:25:56,632 INFO L182 omatonBuilderFactory]: Interpolants [33364#true, 33365#false, 33366#(= 0 |main_#t~malloc0.offset|), 33367#(= main_~root~0.offset 0), 33368#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 33369#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 33370#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 33371#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 33372#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 33373#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 33374#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 33375#(and (= 0 |main_#t~malloc20.offset|) (= 1 (select (store |#valid| |main_#t~malloc20.base| 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 33376#(and (= main_~s~0.offset 0) (= 1 (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 33377#(and (= 1 (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4))))) (= main_~s~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4)))))), 33378#(and (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~s~0.offset 4)))) 1) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~s~0.offset 4))))) (= main_~s~0.offset main_~st~0.offset) (= main_~st~0.offset 0)), 33379#(and (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))))) (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))))) (= main_~st~0.offset 0)), 33380#(and (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|))) (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|))) (= main_~st~0.offset 0) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))), 33381#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~st~0.offset 0) (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 33382#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 33383#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 33384#(and (= 0 |main_#t~malloc24.offset|) (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc24.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= main_~n~0.base |main_#t~malloc24.base|))), 33385#(and (or (= main_~n~0.base main_~st~0.base) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~st~0.base)))) (= main_~st~0.offset 0)), 33386#(and (or (and (not (= main_~n~0.base |main_#t~mem25.base|)) (= 1 (select |#valid| |main_#t~mem25.base|)) (not (= |main_#t~mem25.base| main_~st~0.base))) (= main_~n~0.base main_~st~0.base)) (= main_~st~0.offset 0)), 33387#(and (or (= main_~n~0.base main_~st~0.base) (and (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) main_~st~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))))) (= main_~st~0.offset 0)), 33388#(or (and (= 0 main_~s~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) main_~s~0.base))) (= main_~n~0.base main_~s~0.base)), 33389#(or (and (= 0 main_~s~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) main_~s~0.base))) (= 0 (select |#valid| main_~s~0.base))), 33390#(or (and (= main_~st~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))))) (= 0 (select |#valid| main_~s~0.base))), 33391#(and (= main_~st~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))))), 33392#(and (not (= main_~st~0.base |main_#t~mem22.base|)) (= main_~st~0.offset 0) (= 1 (select |#valid| |main_#t~mem22.base|))), 33393#(and (not (= main_~st~0.base main_~n~0.base)) (= main_~st~0.offset 0) (= 1 (select |#valid| main_~n~0.base))), 33394#(and (not (= main_~st~0.base main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base))), 33395#(= 1 (select |#valid| main_~n~0.base))] [2018-04-11 13:25:56,632 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:56,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 13:25:56,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 13:25:56,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=893, Unknown=0, NotChecked=0, Total=992 [2018-04-11 13:25:56,633 INFO L87 Difference]: Start difference. First operand 1057 states and 1370 transitions. Second operand 32 states. [2018-04-11 13:25:58,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:25:58,681 INFO L93 Difference]: Finished difference Result 1323 states and 1678 transitions. [2018-04-11 13:25:58,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-11 13:25:58,681 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 73 [2018-04-11 13:25:58,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:25:58,683 INFO L225 Difference]: With dead ends: 1323 [2018-04-11 13:25:58,683 INFO L226 Difference]: Without dead ends: 1323 [2018-04-11 13:25:58,684 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=551, Invalid=3739, Unknown=0, NotChecked=0, Total=4290 [2018-04-11 13:25:58,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2018-04-11 13:25:58,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1078. [2018-04-11 13:25:58,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1078 states. [2018-04-11 13:25:58,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1393 transitions. [2018-04-11 13:25:58,692 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1393 transitions. Word has length 73 [2018-04-11 13:25:58,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:25:58,692 INFO L459 AbstractCegarLoop]: Abstraction has 1078 states and 1393 transitions. [2018-04-11 13:25:58,692 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 13:25:58,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1393 transitions. [2018-04-11 13:25:58,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 13:25:58,693 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:25:58,693 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:25:58,693 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:25:58,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1134657347, now seen corresponding path program 1 times [2018-04-11 13:25:58,693 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:25:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:25:58,705 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:25:59,631 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:59,631 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:25:59,632 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 13:25:59,632 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:25:59,632 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 13:25:59,632 INFO L182 omatonBuilderFactory]: Interpolants [35865#true, 35866#false, 35867#(= 0 |main_#t~malloc0.offset|), 35868#(= main_~root~0.offset 0), 35869#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 35870#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 35871#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 35872#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 35873#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 35874#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= main_~n~0.offset |main_#t~mem13.offset|) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 35875#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 35876#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 35877#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 |main_#t~malloc20.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|))), 35878#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base))), 35879#(and (= main_~s~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ 0 4))))), 35880#(and (= main_~s~0.offset main_~st~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~s~0.offset 4))))) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~s~0.offset 4))))), 35881#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))))) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))))), 35882#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) |main_#t~mem22.offset|)) (= main_~st~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|))) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4)))), 35883#(and (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~st~0.offset 0)), 35884#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 35885#(or (and (= 0 |main_#t~malloc24.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base |main_#t~malloc24.base|)), 35886#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~st~0.offset 0)) (= main_~n~0.base main_~st~0.base)), 35887#(or (and (= 8 (select |#length| |main_#t~mem25.base|)) (= main_~st~0.offset 0) (= 0 |main_#t~mem25.offset|)) (= main_~n~0.base main_~st~0.base)), 35888#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ 0 4))) (= main_~st~0.offset 0)) (= main_~n~0.base main_~st~0.base)), 35889#(or (and (= 0 main_~s~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ 0 4)))) (= main_~n~0.base main_~s~0.base)), 35890#(or (and (= 0 main_~s~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ 0 4)))) (= 0 (select |#valid| main_~s~0.base))), 35891#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= main_~st~0.offset 0)) (= 0 (select |#valid| main_~s~0.base))), 35892#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= main_~st~0.offset 0)), 35893#(and (= 8 (select |#length| |main_#t~mem22.base|)) (= main_~st~0.offset 0) (= 0 |main_#t~mem22.offset|)), 35894#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (= main_~st~0.offset 0)), 35895#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)))] [2018-04-11 13:25:59,632 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:25:59,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 13:25:59,632 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 13:25:59,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=833, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:25:59,633 INFO L87 Difference]: Start difference. First operand 1078 states and 1393 transitions. Second operand 31 states. [2018-04-11 13:26:01,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:01,687 INFO L93 Difference]: Finished difference Result 1359 states and 1715 transitions. [2018-04-11 13:26:01,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-11 13:26:01,687 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 73 [2018-04-11 13:26:01,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:01,690 INFO L225 Difference]: With dead ends: 1359 [2018-04-11 13:26:01,690 INFO L226 Difference]: Without dead ends: 1359 [2018-04-11 13:26:01,691 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=464, Invalid=3442, Unknown=0, NotChecked=0, Total=3906 [2018-04-11 13:26:01,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2018-04-11 13:26:01,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1082. [2018-04-11 13:26:01,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1082 states. [2018-04-11 13:26:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1398 transitions. [2018-04-11 13:26:01,698 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1398 transitions. Word has length 73 [2018-04-11 13:26:01,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:01,698 INFO L459 AbstractCegarLoop]: Abstraction has 1082 states and 1398 transitions. [2018-04-11 13:26:01,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 13:26:01,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1398 transitions. [2018-04-11 13:26:01,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 13:26:01,699 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:01,699 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:01,699 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:01,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1585897118, now seen corresponding path program 1 times [2018-04-11 13:26:01,699 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:01,711 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:03,007 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:03,007 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-11 13:26:03,007 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:03,008 INFO L182 omatonBuilderFactory]: Interpolants [38401#true, 38402#false, 38403#(= 0 |main_#t~malloc0.offset|), 38404#(= main_~root~0.offset 0), 38405#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 38406#(and (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 38407#(and (= main_~root~0.base main_~n~0.base) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|))), 38408#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 38409#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 38410#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 38411#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 38412#(and (= 0 |main_#t~malloc20.offset|) (= (select (store |#valid| |main_#t~malloc20.base| 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= (select (store |#valid| |main_#t~malloc20.base| 0) main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 38413#(and (= (select (store |#valid| main_~s~0.base 0) main_~root~0.base) 1) (= main_~s~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1)), 38414#(and (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~s~0.offset 0) (= (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) 1) (= (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) 1)), 38415#(and (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~s~0.offset main_~st~0.offset) (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 1) (= main_~st~0.offset 0) (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) 1)), 38416#(and (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 1) (= main_~st~0.offset 0) (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))))), 38417#(and (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 1) (= main_~st~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4)))) (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))) 1) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))), 38418#(and (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 1) (= main_~st~0.offset 0) (or (and (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))), 38419#(and (= (select (store |#valid| main_~st~0.base 0) main_~n~0.base) 1) (or (and (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset))), 38420#(and (= (select |#valid| main_~n~0.base) 1) (or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))))), 38421#(and (or (<= 1 main_~n~0.offset) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (= (select |#valid| main_~n~0.base) 1)), 38422#(and (= 0 |main_#t~malloc27.offset|) (or (<= 1 main_~n~0.offset) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~malloc27.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (not (= main_~n~0.base |main_#t~malloc27.base|))), 38423#(and (not (= main_~n~0.base main_~st~0.base)) (= main_~st~0.offset 0) (or (<= 1 main_~n~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~st~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))))), 38424#(and (not (= main_~n~0.base main_~st~0.base)) (= main_~st~0.offset 0) (or (<= 1 main_~n~0.offset) (and (= 1 (select |#valid| |main_#t~mem28.base|)) (not (= |main_#t~mem28.base| main_~st~0.base)) (not (= main_~n~0.base |main_#t~mem28.base|))))), 38425#(and (or (<= 1 main_~n~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) main_~st~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))))) (not (= main_~n~0.base main_~st~0.base)) (= main_~st~0.offset 0)), 38426#(and (= 0 main_~s~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) main_~s~0.base))) (<= 1 main_~n~0.offset))), 38427#(and (= 0 main_~s~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) main_~s~0.base))), 38428#(and (= 0 main_~s~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) main_~s~0.base))), 38429#(and (= main_~st~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))))), 38430#(and (not (= main_~st~0.base |main_#t~mem22.base|)) (= main_~st~0.offset 0) (= 1 (select |#valid| |main_#t~mem22.base|))), 38431#(and (not (= main_~st~0.base main_~n~0.base)) (= main_~st~0.offset 0) (= 1 (select |#valid| main_~n~0.base))), 38432#(and (not (= main_~st~0.base main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base))), 38433#(= 1 (select |#valid| main_~n~0.base))] [2018-04-11 13:26:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:03,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-11 13:26:03,008 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-11 13:26:03,008 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=938, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 13:26:03,008 INFO L87 Difference]: Start difference. First operand 1082 states and 1398 transitions. Second operand 33 states. [2018-04-11 13:26:05,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:05,166 INFO L93 Difference]: Finished difference Result 1512 states and 1917 transitions. [2018-04-11 13:26:05,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-11 13:26:05,166 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 73 [2018-04-11 13:26:05,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:05,171 INFO L225 Difference]: With dead ends: 1512 [2018-04-11 13:26:05,171 INFO L226 Difference]: Without dead ends: 1512 [2018-04-11 13:26:05,172 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1084 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=637, Invalid=3919, Unknown=0, NotChecked=0, Total=4556 [2018-04-11 13:26:05,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2018-04-11 13:26:05,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1101. [2018-04-11 13:26:05,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1101 states. [2018-04-11 13:26:05,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1418 transitions. [2018-04-11 13:26:05,187 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1418 transitions. Word has length 73 [2018-04-11 13:26:05,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:05,187 INFO L459 AbstractCegarLoop]: Abstraction has 1101 states and 1418 transitions. [2018-04-11 13:26:05,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-11 13:26:05,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1418 transitions. [2018-04-11 13:26:05,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 13:26:05,189 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:05,189 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:05,189 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:05,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1585897117, now seen corresponding path program 1 times [2018-04-11 13:26:05,190 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:05,206 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:06,210 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:06,210 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-11 13:26:06,210 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:06,210 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 13:26:06,210 INFO L182 omatonBuilderFactory]: Interpolants [41117#true, 41118#false, 41119#(= 0 |main_#t~malloc0.offset|), 41120#(= main_~root~0.offset 0), 41121#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 41122#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 41123#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 41124#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem14.offset|)), 41125#(and (= main_~n~0.base main_~root~0.base) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not |main_#t~short16|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 41126#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 41127#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| |main_#t~malloc17.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~malloc17.offset|) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 41128#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 41129#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 41130#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 41131#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 41132#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 |main_#t~malloc20.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|))), 41133#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base))), 41134#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (= main_~s~0.offset 0)), 41135#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~s~0.offset main_~st~0.offset) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))), 41136#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))), 41137#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) (+ 0 4))) (= main_~st~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))))), 41138#(and (= main_~st~0.offset 0) (or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))))), 41139#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 41140#(and (or (<= 1 main_~n~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))) (= (select |#valid| main_~n~0.base) 1)), 41141#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem26.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= 1 main_~n~0.offset))), 41142#(and (or (<= 1 main_~n~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 0 |main_#t~malloc27.offset|) (not (= main_~n~0.base |main_#t~malloc27.base|))), 41143#(and (or (<= 1 main_~n~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 0 main_~st~0.offset) (not (= main_~n~0.base main_~st~0.base))), 41144#(and (or (<= 1 main_~n~0.offset) (and (= 8 (select |#length| |main_#t~mem28.base|)) (= 0 |main_#t~mem28.offset|))) (= 0 main_~st~0.offset) (not (= main_~n~0.base main_~st~0.base))), 41145#(and (or (<= 1 main_~n~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ 0 4))))) (= 0 main_~st~0.offset) (not (= main_~n~0.base main_~st~0.base))), 41146#(and (= 0 main_~s~0.offset) (or (<= 1 main_~n~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ 0 4)))))), 41147#(and (= 0 main_~s~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ 0 4)))), 41148#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= main_~st~0.offset 0)), 41149#(and (= 8 (select |#length| |main_#t~mem22.base|)) (= main_~st~0.offset 0) (= 0 |main_#t~mem22.offset|)), 41150#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (= main_~st~0.offset 0)), 41151#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)))] [2018-04-11 13:26:06,211 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:06,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-11 13:26:06,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-11 13:26:06,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1073, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 13:26:06,211 INFO L87 Difference]: Start difference. First operand 1101 states and 1418 transitions. Second operand 35 states. [2018-04-11 13:26:08,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:08,698 INFO L93 Difference]: Finished difference Result 2002 states and 2533 transitions. [2018-04-11 13:26:08,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-11 13:26:08,698 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 73 [2018-04-11 13:26:08,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:08,704 INFO L225 Difference]: With dead ends: 2002 [2018-04-11 13:26:08,704 INFO L226 Difference]: Without dead ends: 2002 [2018-04-11 13:26:08,705 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1595 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=677, Invalid=5175, Unknown=0, NotChecked=0, Total=5852 [2018-04-11 13:26:08,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2018-04-11 13:26:08,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1550. [2018-04-11 13:26:08,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1550 states. [2018-04-11 13:26:08,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 1997 transitions. [2018-04-11 13:26:08,718 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 1997 transitions. Word has length 73 [2018-04-11 13:26:08,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:08,718 INFO L459 AbstractCegarLoop]: Abstraction has 1550 states and 1997 transitions. [2018-04-11 13:26:08,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-11 13:26:08,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 1997 transitions. [2018-04-11 13:26:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 13:26:08,719 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:08,719 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:08,719 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:08,719 INFO L82 PathProgramCache]: Analyzing trace with hash -283763390, now seen corresponding path program 1 times [2018-04-11 13:26:08,720 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:08,734 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:09,210 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:09,210 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-11 13:26:09,210 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:09,210 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 13:26:09,210 INFO L182 omatonBuilderFactory]: Interpolants [44800#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 44801#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 44802#(and (= 0 |main_#t~malloc20.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base |main_#t~malloc20.base|))), 44803#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 44804#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4)))) (= main_~s~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4))))), 44805#(and (= main_~s~0.offset main_~st~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~s~0.offset 4)))) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~s~0.offset 4))))), 44806#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4)))) (= main_~st~0.offset 0)), 44807#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) |main_#t~mem22.offset|)) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|))), 44808#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 44809#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 44810#(and (= 0 |main_#t~mem23.offset|) (= 0 |main_#t~mem23.base|)), 44811#(= main_~n~0.base main_~st~0.base), 44812#(= main_~n~0.base main_~s~0.base), 44813#(= 0 (select |#valid| main_~s~0.base)), 44788#true, 44789#false, 44790#(= 0 |main_#t~malloc0.offset|), 44791#(= main_~root~0.offset 0), 44792#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 44793#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 44794#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.offset|) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.base|) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 44795#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)) |main_#t~short4|) (= main_~root~0.offset 0)), 44796#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 44797#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 44798#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 44799#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))] [2018-04-11 13:26:09,211 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:09,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 13:26:09,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 13:26:09,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2018-04-11 13:26:09,211 INFO L87 Difference]: Start difference. First operand 1550 states and 1997 transitions. Second operand 26 states. [2018-04-11 13:26:10,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:10,219 INFO L93 Difference]: Finished difference Result 1771 states and 2246 transitions. [2018-04-11 13:26:10,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-11 13:26:10,220 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 73 [2018-04-11 13:26:10,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:10,223 INFO L225 Difference]: With dead ends: 1771 [2018-04-11 13:26:10,224 INFO L226 Difference]: Without dead ends: 1755 [2018-04-11 13:26:10,224 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=403, Invalid=2047, Unknown=0, NotChecked=0, Total=2450 [2018-04-11 13:26:10,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2018-04-11 13:26:10,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1582. [2018-04-11 13:26:10,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2018-04-11 13:26:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2016 transitions. [2018-04-11 13:26:10,235 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2016 transitions. Word has length 73 [2018-04-11 13:26:10,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:10,235 INFO L459 AbstractCegarLoop]: Abstraction has 1582 states and 2016 transitions. [2018-04-11 13:26:10,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 13:26:10,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2016 transitions. [2018-04-11 13:26:10,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-11 13:26:10,236 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:10,236 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:10,237 INFO L408 AbstractCegarLoop]: === Iteration 53 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:10,237 INFO L82 PathProgramCache]: Analyzing trace with hash 755523753, now seen corresponding path program 1 times [2018-04-11 13:26:10,237 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:10,247 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:10,866 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 13:26:10,866 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:10,866 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 13:26:10,866 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:10,866 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 13:26:10,867 INFO L182 omatonBuilderFactory]: Interpolants [48215#true, 48216#false, 48217#(= 0 |main_#t~malloc0.offset|), 48218#(= main_~root~0.offset 0), 48219#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 48220#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 48221#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 48222#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 48223#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 48224#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 48225#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 48226#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 |main_#t~malloc20.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|))), 48227#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base))), 48228#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (= main_~s~0.offset 0)), 48229#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (= main_~s~0.offset main_~st~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (= main_~st~0.offset 0)), 48230#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))), 48231#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))) (= main_~st~0.offset 0)), 48232#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset)) (= main_~st~0.offset 0)), 48233#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset)), 48234#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= 1 main_~n~0.offset)) (= (select |#valid| main_~n~0.base) 1)), 48235#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= 1 main_~n~0.offset)) (not (= main_~n~0.base |main_#t~malloc24.base|))), 48236#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= 1 main_~n~0.offset)) (not (= main_~st~0.base main_~n~0.base))), 48237#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= 1 main_~n~0.offset)), 48238#(or (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem26.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 48239#(<= 1 main_~n~0.offset), 48240#(or (<= 1 main_~n~0.offset) (= main_~n~0.base |main_#t~malloc27.base|)), 48241#(or (<= 1 main_~n~0.offset) (= main_~n~0.base main_~st~0.base)), 48242#(or (<= 1 main_~n~0.offset) (= main_~n~0.base main_~s~0.base)), 48243#(= main_~n~0.base main_~s~0.base), 48244#(= 0 (select |#valid| main_~s~0.base))] [2018-04-11 13:26:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 13:26:10,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 13:26:10,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 13:26:10,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=768, Unknown=0, NotChecked=0, Total=870 [2018-04-11 13:26:10,867 INFO L87 Difference]: Start difference. First operand 1582 states and 2016 transitions. Second operand 30 states. [2018-04-11 13:26:12,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:12,067 INFO L93 Difference]: Finished difference Result 1700 states and 2151 transitions. [2018-04-11 13:26:12,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 13:26:12,067 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 79 [2018-04-11 13:26:12,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:12,070 INFO L225 Difference]: With dead ends: 1700 [2018-04-11 13:26:12,070 INFO L226 Difference]: Without dead ends: 1693 [2018-04-11 13:26:12,071 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 6 SyntacticMatches, 5 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 725 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=450, Invalid=2630, Unknown=0, NotChecked=0, Total=3080 [2018-04-11 13:26:12,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2018-04-11 13:26:12,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1648. [2018-04-11 13:26:12,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1648 states. [2018-04-11 13:26:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2092 transitions. [2018-04-11 13:26:12,081 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2092 transitions. Word has length 79 [2018-04-11 13:26:12,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:12,082 INFO L459 AbstractCegarLoop]: Abstraction has 1648 states and 2092 transitions. [2018-04-11 13:26:12,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 13:26:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2092 transitions. [2018-04-11 13:26:12,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-11 13:26:12,082 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:12,083 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:12,083 INFO L408 AbstractCegarLoop]: === Iteration 54 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:12,083 INFO L82 PathProgramCache]: Analyzing trace with hash -778952266, now seen corresponding path program 1 times [2018-04-11 13:26:12,083 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:12,098 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:12,444 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:26:12,444 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2018-04-11 13:26:12,444 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:12,444 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 13:26:12,444 INFO L182 omatonBuilderFactory]: Interpolants [51648#(= main_~root~0.offset 0), 51649#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 51650#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 51651#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= 0 |main_#t~malloc17.base|))), 51652#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 51653#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 51654#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 51655#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 51656#(and (= 0 |main_#t~malloc20.offset|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|))), 51657#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base))), 51658#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~s~0.offset 0)), 51659#(and (= main_~s~0.offset main_~st~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~st~0.offset 0)), 51660#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))) (= main_~st~0.offset 0)), 51661#(and (= main_~st~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))))), 51662#(and (or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= main_~st~0.offset 0)), 51663#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 51664#(and (or (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 1 (select |#valid| main_~n~0.base))), 51665#(and (or (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (not (= |main_#t~malloc24.base| main_~n~0.base))), 51666#(and (not (= main_~st~0.base main_~n~0.base)) (or (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))), 51667#(and (not (= main_~st~0.base main_~n~0.base)) (= (select |#valid| main_~n~0.base) 1) (or (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))), 51668#(and (or (<= 1 main_~n~0.offset) (not (= 0 |main_#t~mem26.base|))) (= (select |#valid| main_~n~0.base) 1)), 51669#(and (<= 1 main_~n~0.offset) (= (select |#valid| main_~n~0.base) 1)), 51645#true, 51646#false, 51647#(= 0 |main_#t~malloc0.offset|)] [2018-04-11 13:26:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:12,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 13:26:12,444 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 13:26:12,445 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-04-11 13:26:12,445 INFO L87 Difference]: Start difference. First operand 1648 states and 2092 transitions. Second operand 25 states. [2018-04-11 13:26:13,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:13,494 INFO L93 Difference]: Finished difference Result 2369 states and 2965 transitions. [2018-04-11 13:26:13,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 13:26:13,494 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 81 [2018-04-11 13:26:13,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:13,497 INFO L225 Difference]: With dead ends: 2369 [2018-04-11 13:26:13,497 INFO L226 Difference]: Without dead ends: 2368 [2018-04-11 13:26:13,498 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=425, Invalid=2331, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 13:26:13,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2368 states. [2018-04-11 13:26:13,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2368 to 1656. [2018-04-11 13:26:13,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2018-04-11 13:26:13,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2100 transitions. [2018-04-11 13:26:13,510 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2100 transitions. Word has length 81 [2018-04-11 13:26:13,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:13,510 INFO L459 AbstractCegarLoop]: Abstraction has 1656 states and 2100 transitions. [2018-04-11 13:26:13,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 13:26:13,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2100 transitions. [2018-04-11 13:26:13,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-11 13:26:13,511 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:13,511 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:13,511 INFO L408 AbstractCegarLoop]: === Iteration 55 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:13,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1924377044, now seen corresponding path program 1 times [2018-04-11 13:26:13,511 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:13,521 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-04-11 13:26:13,604 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:13,604 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-11 13:26:13,604 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:13,605 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 13:26:13,605 INFO L182 omatonBuilderFactory]: Interpolants [55751#true, 55752#false, 55753#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))), 55754#(and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|)), 55755#(and (= 0 main_~s~0.offset) (= 0 main_~s~0.base)), 55756#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) main_~st~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset)))] [2018-04-11 13:26:13,605 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-04-11 13:26:13,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 13:26:13,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 13:26:13,605 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:26:13,605 INFO L87 Difference]: Start difference. First operand 1656 states and 2100 transitions. Second operand 6 states. [2018-04-11 13:26:13,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:13,696 INFO L93 Difference]: Finished difference Result 1712 states and 2158 transitions. [2018-04-11 13:26:13,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 13:26:13,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2018-04-11 13:26:13,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:13,698 INFO L225 Difference]: With dead ends: 1712 [2018-04-11 13:26:13,698 INFO L226 Difference]: Without dead ends: 1712 [2018-04-11 13:26:13,699 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-11 13:26:13,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2018-04-11 13:26:13,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1680. [2018-04-11 13:26:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2018-04-11 13:26:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2133 transitions. [2018-04-11 13:26:13,714 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2133 transitions. Word has length 82 [2018-04-11 13:26:13,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:13,714 INFO L459 AbstractCegarLoop]: Abstraction has 1680 states and 2133 transitions. [2018-04-11 13:26:13,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 13:26:13,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2133 transitions. [2018-04-11 13:26:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-11 13:26:13,715 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:13,715 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:13,716 INFO L408 AbstractCegarLoop]: === Iteration 56 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:13,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1697605827, now seen corresponding path program 1 times [2018-04-11 13:26:13,716 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:13,724 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-11 13:26:13,786 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:26:13,787 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 13:26:13,787 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:13,787 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 13:26:13,787 INFO L182 omatonBuilderFactory]: Interpolants [59155#true, 59156#false, 59157#(and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 59158#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (not |main_#t~short4|)), 59159#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))), 59160#(or (not (= |main_#t~mem8.offset| 0)) (not (= 0 |main_#t~mem8.base|))), 59161#(not |main_#t~short10|)] [2018-04-11 13:26:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-11 13:26:13,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 13:26:13,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 13:26:13,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-11 13:26:13,787 INFO L87 Difference]: Start difference. First operand 1680 states and 2133 transitions. Second operand 7 states. [2018-04-11 13:26:13,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:13,900 INFO L93 Difference]: Finished difference Result 1711 states and 2108 transitions. [2018-04-11 13:26:13,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 13:26:13,901 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-04-11 13:26:13,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:13,902 INFO L225 Difference]: With dead ends: 1711 [2018-04-11 13:26:13,902 INFO L226 Difference]: Without dead ends: 1711 [2018-04-11 13:26:13,902 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-04-11 13:26:13,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2018-04-11 13:26:13,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1399. [2018-04-11 13:26:13,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1399 states. [2018-04-11 13:26:13,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1711 transitions. [2018-04-11 13:26:13,911 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1711 transitions. Word has length 82 [2018-04-11 13:26:13,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:13,911 INFO L459 AbstractCegarLoop]: Abstraction has 1399 states and 1711 transitions. [2018-04-11 13:26:13,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 13:26:13,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1711 transitions. [2018-04-11 13:26:13,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-11 13:26:13,912 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:13,912 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:13,912 INFO L408 AbstractCegarLoop]: === Iteration 57 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:13,912 INFO L82 PathProgramCache]: Analyzing trace with hash -63997529, now seen corresponding path program 2 times [2018-04-11 13:26:13,912 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:13,925 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:15,136 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:15,136 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:15,137 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 13:26:15,137 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:15,137 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 13:26:15,137 INFO L182 omatonBuilderFactory]: Interpolants [62281#true, 62282#false, 62283#(= |main_#t~malloc0.offset| 0), 62284#(= main_~root~0.offset 0), 62285#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 62286#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 62287#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 62288#(and (or (= main_~root~0.offset main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0)), 62289#(and (or (= main_~root~0.offset main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 62290#(and (or (= main_~root~0.offset main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (or (not (= main_~root~0.offset main_~n~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 62291#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= |main_#t~mem18.offset| 0) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset main_~n~0.offset)) (or (not (= main_~root~0.offset main_~n~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 62292#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base |main_#t~mem19.base|)) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| |main_#t~mem19.base|) 1))) (= |main_#t~mem19.offset| 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 62293#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 62294#(and (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~n~0.base) 1) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= main_~root~0.offset 0)), 62295#(and (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) |main_#t~malloc11.base|))))), 62296#(and (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= main_~root~0.offset 0)), 62297#(and (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (not (= main_~n~0.base |main_#t~mem12.base|)) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))) (= main_~root~0.offset 0) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 62298#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= main_~root~0.offset 0)), 62299#(and (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= main_~root~0.offset 0) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))))), 62300#(and (= main_~root~0.offset 0) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))))), 62301#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))))), 62302#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0))), 62303#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4)))) (not |main_#t~short4|)), 62304#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4)))), 62305#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ 0 4))) (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ 0 4)))), 62306#(or (<= (+ main_~n~0.offset 1) 0) (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= 1 main_~n~0.offset)) (= 8 (select |#length| main_~n~0.base)))), 62307#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= 1 main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8)), 62308#(and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0)), 62309#(not |main_#t~short4|)] [2018-04-11 13:26:15,137 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:15,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 13:26:15,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 13:26:15,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=704, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:26:15,138 INFO L87 Difference]: Start difference. First operand 1399 states and 1711 transitions. Second operand 29 states. [2018-04-11 13:26:17,102 WARN L151 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 86 DAG size of output 76 [2018-04-11 13:26:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:20,357 INFO L93 Difference]: Finished difference Result 2471 states and 3024 transitions. [2018-04-11 13:26:20,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-04-11 13:26:20,357 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 82 [2018-04-11 13:26:20,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:20,360 INFO L225 Difference]: With dead ends: 2471 [2018-04-11 13:26:20,360 INFO L226 Difference]: Without dead ends: 2471 [2018-04-11 13:26:20,360 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2553 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=1435, Invalid=7121, Unknown=0, NotChecked=0, Total=8556 [2018-04-11 13:26:20,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2018-04-11 13:26:20,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 1695. [2018-04-11 13:26:20,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1695 states. [2018-04-11 13:26:20,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 2078 transitions. [2018-04-11 13:26:20,373 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 2078 transitions. Word has length 82 [2018-04-11 13:26:20,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:20,373 INFO L459 AbstractCegarLoop]: Abstraction has 1695 states and 2078 transitions. [2018-04-11 13:26:20,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 13:26:20,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2078 transitions. [2018-04-11 13:26:20,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-11 13:26:20,373 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:20,374 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:20,374 INFO L408 AbstractCegarLoop]: === Iteration 58 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:20,374 INFO L82 PathProgramCache]: Analyzing trace with hash 473853997, now seen corresponding path program 1 times [2018-04-11 13:26:20,374 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:20,386 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:23,014 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:23,014 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-11 13:26:23,014 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:23,014 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 13:26:23,014 INFO L182 omatonBuilderFactory]: Interpolants [66625#(and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0) main_~n~0.base 0) |main_#t~malloc24.base| 0) |old(#valid)|)) (= main_~n~0.base |main_#t~malloc24.base|) (= |main_#t~malloc24.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 |main_#t~malloc24.offset|)), 66624#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0) main_~n~0.base 0) |old(#valid)|) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 66627#(and (or (and (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base |main_#t~mem25.base|)) (= (store (store (store |#valid| |main_#t~mem25.base| 0) main_~n~0.base 0) main_~st~0.base 0) |old(#valid)|)) (= main_~n~0.base main_~st~0.base) (= main_~st~0.base |main_#t~mem25.base|)) (= main_~st~0.offset 0)), 66626#(and (or (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0) main_~n~0.base 0) main_~st~0.base 0))) (= main_~n~0.base main_~st~0.base)) (= main_~st~0.offset 0)), 66629#(or (and (= 0 main_~s~0.offset) (or (= main_~s~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) 4) 0) main_~n~0.base 0) main_~s~0.base 0) |old(#valid)|)))) (= main_~n~0.base main_~s~0.base)), 66628#(and (or (= main_~n~0.base main_~st~0.base) (and (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) 0) main_~n~0.base 0) main_~st~0.base 0) |old(#valid)|) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ 0 4))))) (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ 0 4)))) (= main_~st~0.offset 0)), 66631#(or (= 0 (select |#valid| main_~s~0.base)) (and (= main_~st~0.offset 0) (or (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (= |old(#valid)| (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) 0) main_~st~0.base 0))))), 66630#(or (and (or (= main_~s~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) (= |old(#valid)| (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) 4) 0) main_~s~0.base 0))) (= 0 main_~s~0.offset)) (= 0 (select |#valid| main_~s~0.base))), 66633#(and (or (= main_~st~0.base |main_#t~mem22.base|) (and (= (store (store |#valid| |main_#t~mem22.base| 0) main_~st~0.base 0) |old(#valid)|) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))))) (= main_~st~0.offset 0)), 66632#(and (= main_~st~0.offset 0) (or (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (= |old(#valid)| (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) 0) main_~st~0.base 0)))), 66635#(or (= |old(#valid)| (store (store |#valid| main_~n~0.base 0) main_~st~0.base 0)) (= main_~n~0.base main_~st~0.base)), 66634#(and (= main_~st~0.offset 0) (or (= |old(#valid)| (store (store |#valid| main_~n~0.base 0) main_~st~0.base 0)) (= main_~n~0.base main_~st~0.base))), 66637#(and (= |old(#valid)| (store |#valid| main_~n~0.base 0)) (= 1 (select |#valid| main_~n~0.base))), 66636#(or (= |old(#valid)| (store |#valid| main_~n~0.base 0)) (= 0 (select |#valid| main_~n~0.base))), 66638#(= |old(#valid)| (store |#valid| main_~n~0.base 0)), 66605#false, 66604#true, 66607#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (= 0 |main_#t~malloc0.offset|)), 66606#(= |#valid| |old(#valid)|), 66609#(and (= (store |#valid| main_~root~0.base 0) |old(#valid)|) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 66608#(and (= (store |#valid| main_~root~0.base 0) |old(#valid)|) (= main_~root~0.offset 0)), 66611#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= (store (store |#valid| |main_#t~malloc11.base| 0) main_~root~0.base 0) |old(#valid)|) (= main_~n~0.offset main_~root~0.offset)), 66610#(and (= (store |#valid| main_~root~0.base 0) |old(#valid)|) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 66613#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0) main_~root~0.base 0) |old(#valid)|) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 66612#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0) main_~root~0.base 0) |old(#valid)|) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 66615#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0) main_~root~0.base 0) |old(#valid)|) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 66614#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0) main_~root~0.base 0) |old(#valid)|) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 66617#(and (= |old(#valid)| (store (store (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0) main_~root~0.base 0)) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 66616#(and (= |old(#valid)| (store (store (store |#valid| |main_#t~malloc20.base| 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0) main_~root~0.base 0)) (= 0 |main_#t~malloc20.offset|) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 66619#(and (= (store (store (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~s~0.offset 4))) 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4)) 0) |old(#valid)|) (= main_~s~0.offset main_~st~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))))) (= main_~st~0.offset 0)), 66618#(and (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ 0 4))))) (= main_~s~0.offset 0) (= (store (store (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4))) 0) (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4)) 0) |old(#valid)|)), 66621#(and (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|))) (= main_~st~0.offset 0) (= (store (store (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|) 0) |main_#t~mem22.base| 0) |old(#valid)|) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4)))), 66620#(and (= (store (store (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))))) (= main_~st~0.offset 0)), 66623#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (store (store (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0) main_~n~0.base 0) |old(#valid)|)), 66622#(and (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) (= (store (store (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0) main_~n~0.base 0) |old(#valid)|) (= main_~st~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))))] [2018-04-11 13:26:23,015 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:23,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-11 13:26:23,015 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-11 13:26:23,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1099, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 13:26:23,015 INFO L87 Difference]: Start difference. First operand 1695 states and 2078 transitions. Second operand 35 states. [2018-04-11 13:26:25,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:25,028 INFO L93 Difference]: Finished difference Result 1817 states and 2213 transitions. [2018-04-11 13:26:25,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-11 13:26:25,028 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 83 [2018-04-11 13:26:25,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:25,031 INFO L225 Difference]: With dead ends: 1817 [2018-04-11 13:26:25,031 INFO L226 Difference]: Without dead ends: 1810 [2018-04-11 13:26:25,031 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 20 SyntacticMatches, 11 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=275, Invalid=3385, Unknown=0, NotChecked=0, Total=3660 [2018-04-11 13:26:25,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2018-04-11 13:26:25,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1778. [2018-04-11 13:26:25,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1778 states. [2018-04-11 13:26:25,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2170 transitions. [2018-04-11 13:26:25,047 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2170 transitions. Word has length 83 [2018-04-11 13:26:25,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:25,047 INFO L459 AbstractCegarLoop]: Abstraction has 1778 states and 2170 transitions. [2018-04-11 13:26:25,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-11 13:26:25,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2170 transitions. [2018-04-11 13:26:25,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-11 13:26:25,048 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:25,048 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:25,049 INFO L408 AbstractCegarLoop]: === Iteration 59 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:25,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1358304691, now seen corresponding path program 1 times [2018-04-11 13:26:25,049 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:25,069 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:27,667 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:27,667 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:27,667 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-11 13:26:27,667 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:27,667 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 13:26:27,668 INFO L182 omatonBuilderFactory]: Interpolants [70287#false, 70286#true, 70289#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (= 0 |main_#t~malloc0.offset|)), 70288#(= |#valid| |old(#valid)|), 70291#(and (= (store |#valid| main_~root~0.base 0) |old(#valid)|) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 70290#(and (= (store |#valid| main_~root~0.base 0) |old(#valid)|) (= main_~root~0.offset 0)), 70293#(and (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= (store (store |#valid| main_~root~0.base 0) |main_#t~malloc17.base| 0) |old(#valid)|) (= main_~root~0.offset main_~n~0.offset) (not (= |main_#t~malloc17.base| main_~n~0.base)) (= main_~root~0.offset 0)), 70292#(and (= (store |#valid| main_~root~0.base 0) |old(#valid)|) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 70295#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= (store (store |#valid| main_~root~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) 0) |old(#valid)|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 70294#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base)) (= (store (store |#valid| main_~root~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) 0) |old(#valid)|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 70297#(and (= (store (store |#valid| main_~root~0.base 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) 0) |old(#valid)|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 70296#(and (= (store (store |#valid| main_~root~0.base 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) 0) |old(#valid)|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 70299#(and (= 1 (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~s~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base)) (= |old(#valid)| (store (store (store |#valid| main_~s~0.base 0) main_~root~0.base 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) 0))), 70298#(and (= (store (store (store |#valid| |main_#t~malloc20.base| 0) main_~root~0.base 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) 0) |old(#valid)|) (= 1 (select (store |#valid| |main_#t~malloc20.base| 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 |main_#t~malloc20.offset|) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|))), 70301#(and (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~s~0.offset main_~st~0.offset) (= main_~st~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= (store (store (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) 4) 0) |old(#valid)|)), 70300#(and (= (store (store (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) 4) 0) |old(#valid)|) (= 1 (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~s~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))))), 70303#(and (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4)))) (= |old(#valid)| (store (store (store |#valid| main_~st~0.base 0) |main_#t~mem22.base| 0) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) 4) 0)) (= main_~st~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4)))) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))), 70302#(and (= main_~st~0.offset 0) (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))) (= (store (store (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 4) 0) |old(#valid)|)), 70305#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (= (store (store (store |#valid| main_~st~0.base 0) main_~n~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) 0) |old(#valid)|) (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))), 70304#(and (= main_~st~0.offset 0) (or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (= (store (store (store |#valid| main_~st~0.base 0) main_~n~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) 0) |old(#valid)|) (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))))), 70307#(or (<= 1 main_~n~0.offset) (and (= (store (store |#valid| main_~n~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) 0) |old(#valid)|) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))), 70306#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (= (store (store |#valid| main_~n~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) 0) |old(#valid)|) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))), 70309#(and (or (and (= (store (store (store |#valid| main_~n~0.base 0) main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~st~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (<= 1 main_~n~0.offset) (= main_~n~0.base main_~st~0.base)) (= main_~st~0.offset 0)), 70308#(and (= 0 |main_#t~malloc27.offset|) (or (and (or (and (= (store (store (store |#valid| main_~n~0.base 0) |main_#t~malloc27.base| 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) 0) |old(#valid)|) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= main_~n~0.base |main_#t~malloc27.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~malloc27.base|))) (<= 1 main_~n~0.offset))), 70311#(and (= main_~st~0.offset 0) (or (<= 1 main_~n~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ 0 4)) main_~st~0.base)) (= (store (store (store |#valid| main_~n~0.base 0) main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) 0) |old(#valid)|) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ 0 4))))) (= main_~n~0.base main_~st~0.base))), 70310#(and (or (<= 1 main_~n~0.offset) (and (= (store (store (store |#valid| main_~n~0.base 0) main_~st~0.base 0) |main_#t~mem28.base| 0) |old(#valid)|) (not (= main_~n~0.base |main_#t~mem28.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~st~0.base)) (= |main_#t~mem28.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~st~0.base)) (= main_~st~0.offset 0)), 70313#(and (or (= main_~s~0.base main_~n~0.base) (and (= (store (store (store |#valid| main_~n~0.base 0) main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~s~0.base) 4) 0) |old(#valid)|) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) main_~s~0.base)))) (= 0 main_~s~0.offset)), 70312#(and (= 0 main_~s~0.offset) (or (= main_~s~0.base main_~n~0.base) (<= 1 main_~n~0.offset) (and (= (store (store (store |#valid| main_~n~0.base 0) main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~s~0.base) 4) 0) |old(#valid)|) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) main_~s~0.base))))), 70315#(and (or (= 0 (select |#valid| main_~s~0.base)) (and (= |old(#valid)| (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) 0) main_~st~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) main_~st~0.base)))) (= main_~st~0.offset 0)), 70314#(and (= 0 main_~s~0.offset) (or (and (= |old(#valid)| (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) 4) 0) main_~s~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) main_~s~0.base))) (= 0 (select |#valid| main_~s~0.base)))), 70317#(and (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) main_~st~0.base)) (= main_~st~0.offset 0) (= (store (store |#valid| |main_#t~mem22.base| 0) main_~st~0.base 0) |old(#valid)|) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))), 70316#(and (= |old(#valid)| (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) 0) main_~st~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) main_~st~0.base)) (= main_~st~0.offset 0)), 70319#(and (not (= main_~st~0.base main_~n~0.base)) (= |old(#valid)| (store (store |#valid| main_~n~0.base 0) main_~st~0.base 0))), 70318#(and (not (= main_~st~0.base main_~n~0.base)) (= main_~st~0.offset 0) (= |old(#valid)| (store (store |#valid| main_~n~0.base 0) main_~st~0.base 0))), 70321#(and (= |old(#valid)| (store |#valid| main_~n~0.base 0)) (= 1 (select |#valid| main_~n~0.base))), 70320#(= |old(#valid)| (store |#valid| main_~n~0.base 0))] [2018-04-11 13:26:27,668 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:27,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-11 13:26:27,668 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-11 13:26:27,668 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1167, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 13:26:27,668 INFO L87 Difference]: Start difference. First operand 1778 states and 2170 transitions. Second operand 36 states. [2018-04-11 13:26:30,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:30,202 INFO L93 Difference]: Finished difference Result 1875 states and 2278 transitions. [2018-04-11 13:26:30,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-11 13:26:30,203 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 83 [2018-04-11 13:26:30,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:30,205 INFO L225 Difference]: With dead ends: 1875 [2018-04-11 13:26:30,205 INFO L226 Difference]: Without dead ends: 1868 [2018-04-11 13:26:30,206 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 10 SyntacticMatches, 23 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 901 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=289, Invalid=3743, Unknown=0, NotChecked=0, Total=4032 [2018-04-11 13:26:30,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2018-04-11 13:26:30,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1844. [2018-04-11 13:26:30,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1844 states. [2018-04-11 13:26:30,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1844 states and 2246 transitions. [2018-04-11 13:26:30,222 INFO L78 Accepts]: Start accepts. Automaton has 1844 states and 2246 transitions. Word has length 83 [2018-04-11 13:26:30,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:30,223 INFO L459 AbstractCegarLoop]: Abstraction has 1844 states and 2246 transitions. [2018-04-11 13:26:30,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-11 13:26:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2246 transitions. [2018-04-11 13:26:30,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-11 13:26:30,224 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:30,224 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:30,224 INFO L408 AbstractCegarLoop]: === Iteration 60 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:30,224 INFO L82 PathProgramCache]: Analyzing trace with hash 818568221, now seen corresponding path program 1 times [2018-04-11 13:26:30,225 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:30,250 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:31,131 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:31,131 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-11 13:26:31,131 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:31,132 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 13:26:31,132 INFO L182 omatonBuilderFactory]: Interpolants [74113#(and (= main_~st~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4)))) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))) 1)), 74112#(and (= main_~st~0.offset 0) (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))))), 74115#(or (and (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset)), 74114#(and (= main_~st~0.offset 0) (or (and (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset))), 74117#(and (or (<= 1 main_~n~0.offset) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (= (select |#valid| main_~n~0.base) 1)), 74116#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))), 74119#(and (not (= main_~st~0.base main_~n~0.base)) (or (<= 1 main_~n~0.offset) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))))), 74118#(and (or (<= 1 main_~n~0.offset) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (not (= main_~n~0.base |main_#t~malloc24.base|))), 74121#(and (= 0 |main_#t~malloc27.offset|) (or (<= 1 main_~n~0.offset) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~malloc27.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (not (= main_~n~0.base |main_#t~malloc27.base|))), 74120#(and (not (= main_~st~0.base main_~n~0.base)) (or (<= 1 main_~n~0.offset) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (= (select |#valid| main_~n~0.base) 1)), 74123#(and (= main_~st~0.offset 0) (or (<= 1 main_~n~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~st~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))))), 74122#(and (not (= main_~st~0.base main_~n~0.base)) (= main_~st~0.offset 0) (or (<= 1 main_~n~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~st~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))))), 74125#(and (or (<= 1 main_~n~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) main_~st~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))))) (= main_~st~0.offset 0)), 74124#(and (= main_~st~0.offset 0) (or (<= 1 main_~n~0.offset) (and (= 1 (select |#valid| |main_#t~mem28.base|)) (not (= |main_#t~mem28.base| main_~st~0.base)) (not (= main_~n~0.base |main_#t~mem28.base|))))), 74127#(and (= 0 main_~s~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) main_~s~0.base))), 74126#(and (= 0 main_~s~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) main_~s~0.base))) (<= 1 main_~n~0.offset))), 74129#(and (= main_~st~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))))), 74128#(and (= 0 main_~s~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) main_~s~0.base))), 74131#(and (not (= main_~st~0.base main_~n~0.base)) (= main_~st~0.offset 0) (= 1 (select |#valid| main_~n~0.base))), 74130#(and (not (= main_~st~0.base |main_#t~mem22.base|)) (= main_~st~0.offset 0) (= 1 (select |#valid| |main_#t~mem22.base|))), 74133#(= 1 (select |#valid| main_~n~0.base)), 74132#(and (not (= main_~st~0.base main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base))), 74097#true, 74099#(= 0 |main_#t~malloc0.offset|), 74098#false, 74101#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 74100#(= main_~root~0.offset 0), 74103#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 74102#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 74105#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 74104#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 74107#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 74106#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 74109#(and (= main_~s~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base)) (= (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1)), 74108#(and (= 0 |main_#t~malloc20.offset|) (= (select (store |#valid| |main_#t~malloc20.base| 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|))), 74111#(and (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~s~0.offset main_~st~0.offset) (= main_~st~0.offset 0) (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) 1)), 74110#(and (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~s~0.offset 0) (= (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) 1))] [2018-04-11 13:26:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:31,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-11 13:26:31,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-11 13:26:31,132 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1207, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 13:26:31,132 INFO L87 Difference]: Start difference. First operand 1844 states and 2246 transitions. Second operand 37 states. [2018-04-11 13:26:34,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:34,066 INFO L93 Difference]: Finished difference Result 2582 states and 3116 transitions. [2018-04-11 13:26:34,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-11 13:26:34,066 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 87 [2018-04-11 13:26:34,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:34,067 INFO L225 Difference]: With dead ends: 2582 [2018-04-11 13:26:34,068 INFO L226 Difference]: Without dead ends: 2582 [2018-04-11 13:26:34,068 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1702 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=880, Invalid=5762, Unknown=0, NotChecked=0, Total=6642 [2018-04-11 13:26:34,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2582 states. [2018-04-11 13:26:34,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2582 to 1863. [2018-04-11 13:26:34,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1863 states. [2018-04-11 13:26:34,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2266 transitions. [2018-04-11 13:26:34,080 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 2266 transitions. Word has length 87 [2018-04-11 13:26:34,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:34,081 INFO L459 AbstractCegarLoop]: Abstraction has 1863 states and 2266 transitions. [2018-04-11 13:26:34,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-11 13:26:34,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2266 transitions. [2018-04-11 13:26:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-11 13:26:34,081 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:34,081 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:34,081 INFO L408 AbstractCegarLoop]: === Iteration 61 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:34,081 INFO L82 PathProgramCache]: Analyzing trace with hash 818568222, now seen corresponding path program 1 times [2018-04-11 13:26:34,082 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:34,097 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:34,885 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:34,886 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-11 13:26:34,886 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:34,886 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 13:26:34,886 INFO L182 omatonBuilderFactory]: Interpolants [78669#true, 78671#(= 0 |main_#t~malloc0.offset|), 78670#false, 78673#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 78672#(= main_~root~0.offset 0), 78675#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 78674#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 78677#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 78676#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 78679#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 78678#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 78681#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base))), 78680#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 |main_#t~malloc20.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|))), 78683#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~s~0.offset main_~st~0.offset) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))), 78682#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (= main_~s~0.offset 0)), 78685#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) (+ 0 4))) (= main_~st~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))))), 78684#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))), 78687#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 78686#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~st~0.offset 0))), 78689#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~malloc24.base|))) (<= 1 main_~n~0.offset)), 78688#(or (<= 1 main_~n~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select |#valid| main_~n~0.base) 1))), 78691#(or (<= 1 main_~n~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 78690#(or (<= 1 main_~n~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base main_~st~0.base)))), 78693#(or (<= 1 main_~n~0.offset) (and (= 0 main_~st~0.offset) (or (= main_~n~0.base main_~st~0.base) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))))), 78692#(or (<= 1 main_~n~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_#t~malloc27.offset|))), 78695#(or (and (= 0 main_~st~0.offset) (or (= main_~n~0.base main_~st~0.base) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ 0 4)))))) (<= 1 main_~n~0.offset)), 78694#(or (and (= 0 main_~st~0.offset) (or (and (= 8 (select |#length| |main_#t~mem28.base|)) (= 0 |main_#t~mem28.offset|)) (= main_~n~0.base main_~st~0.base))) (<= 1 main_~n~0.offset)), 78697#(and (= 0 main_~s~0.offset) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ 0 4)))) (= main_~n~0.base main_~s~0.base))), 78696#(or (and (= 0 main_~s~0.offset) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ 0 4)))) (= main_~n~0.base main_~s~0.base))) (<= 1 main_~n~0.offset)), 78699#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))))) (= 0 (select |#valid| main_~s~0.base))) (= main_~st~0.offset 0)), 78698#(and (= 0 main_~s~0.offset) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ 0 4)))) (= 0 (select |#valid| main_~s~0.base)))), 78701#(and (= 8 (select |#length| |main_#t~mem22.base|)) (= main_~st~0.offset 0) (= 0 |main_#t~mem22.offset|)), 78700#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= main_~st~0.offset 0)), 78703#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 78702#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (= main_~st~0.offset 0))] [2018-04-11 13:26:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:34,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-11 13:26:34,886 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-11 13:26:34,887 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1083, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 13:26:34,887 INFO L87 Difference]: Start difference. First operand 1863 states and 2266 transitions. Second operand 35 states. [2018-04-11 13:26:37,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:37,483 INFO L93 Difference]: Finished difference Result 2657 states and 3191 transitions. [2018-04-11 13:26:37,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-11 13:26:37,484 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 87 [2018-04-11 13:26:37,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:37,486 INFO L225 Difference]: With dead ends: 2657 [2018-04-11 13:26:37,486 INFO L226 Difference]: Without dead ends: 2657 [2018-04-11 13:26:37,487 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=562, Invalid=4840, Unknown=0, NotChecked=0, Total=5402 [2018-04-11 13:26:37,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2018-04-11 13:26:37,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 1512. [2018-04-11 13:26:37,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1512 states. [2018-04-11 13:26:37,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 1837 transitions. [2018-04-11 13:26:37,504 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 1837 transitions. Word has length 87 [2018-04-11 13:26:37,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:37,504 INFO L459 AbstractCegarLoop]: Abstraction has 1512 states and 1837 transitions. [2018-04-11 13:26:37,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-11 13:26:37,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1837 transitions. [2018-04-11 13:26:37,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-11 13:26:37,505 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:37,505 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:37,505 INFO L408 AbstractCegarLoop]: === Iteration 62 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:37,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1926896753, now seen corresponding path program 1 times [2018-04-11 13:26:37,506 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:37,524 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:38,340 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:38,340 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-11 13:26:38,340 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:38,341 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 13:26:38,341 INFO L182 omatonBuilderFactory]: Interpolants [82951#true, 82953#(= 0 |main_#t~malloc0.offset|), 82952#false, 82955#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 82954#(= main_~root~0.offset 0), 82957#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 82956#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 82959#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 82958#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 82961#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 82960#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 82963#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 82962#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 |main_#t~malloc17.offset|)), 82965#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 82964#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 82967#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 82966#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 82969#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) 0))), 82968#(and (= |main_#t~mem3.offset| 0) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem3.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))), 82971#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))) (= main_~root~0.offset 0)), 82970#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) |main_#t~mem7.offset|) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 82973#(and (= main_~root~0.offset 0) (or |main_#t~short4| (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)))), 82972#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1))) (= main_~root~0.offset 0)), 82975#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 82974#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 82977#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base))), 82976#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 82979#(and (not (= |main_#t~mem13.base| main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 82978#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 82981#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 82980#(and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 82983#(= 1 (select |#valid| |main_#t~mem7.base|)), 82982#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 82984#(= 1 (select |#valid| main_~n~0.base))] [2018-04-11 13:26:38,341 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:38,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-11 13:26:38,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-11 13:26:38,341 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=944, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 13:26:38,341 INFO L87 Difference]: Start difference. First operand 1512 states and 1837 transitions. Second operand 34 states. [2018-04-11 13:26:41,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:41,500 INFO L93 Difference]: Finished difference Result 2415 states and 2918 transitions. [2018-04-11 13:26:41,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-04-11 13:26:41,500 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 90 [2018-04-11 13:26:41,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:41,502 INFO L225 Difference]: With dead ends: 2415 [2018-04-11 13:26:41,502 INFO L226 Difference]: Without dead ends: 2415 [2018-04-11 13:26:41,502 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2864 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2016, Invalid=8696, Unknown=0, NotChecked=0, Total=10712 [2018-04-11 13:26:41,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2018-04-11 13:26:41,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 1417. [2018-04-11 13:26:41,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1417 states. [2018-04-11 13:26:41,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 1733 transitions. [2018-04-11 13:26:41,516 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 1733 transitions. Word has length 90 [2018-04-11 13:26:41,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:41,516 INFO L459 AbstractCegarLoop]: Abstraction has 1417 states and 1733 transitions. [2018-04-11 13:26:41,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-11 13:26:41,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1733 transitions. [2018-04-11 13:26:41,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-11 13:26:41,517 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:41,517 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:41,518 INFO L408 AbstractCegarLoop]: === Iteration 63 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:41,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1926896754, now seen corresponding path program 1 times [2018-04-11 13:26:41,518 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:41,537 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 11 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:42,350 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:42,350 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 13:26:42,350 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:42,350 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 13:26:42,350 INFO L182 omatonBuilderFactory]: Interpolants [86977#(and (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 86976#(and (not (= |main_#t~mem13.base| main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 86979#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 86978#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 86981#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 86980#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 86957#true, 86959#(= 0 |main_#t~malloc0.offset|), 86958#false, 86961#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 86960#(= main_~root~0.offset 0), 86963#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| |main_#t~malloc17.base|)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 86962#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 86965#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 86964#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 86967#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 86966#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 86969#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base |main_#t~mem7.base|)) (= main_~root~0.offset 0)), 86968#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_#t~mem3.offset| 0) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 86971#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 86970#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 86973#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 86972#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 86975#(and (= 8 (select |#length| main_~n~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 86974#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (= 8 (select |#length| main_~n~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base)))] [2018-04-11 13:26:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 11 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:42,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 13:26:42,351 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 13:26:42,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2018-04-11 13:26:42,351 INFO L87 Difference]: Start difference. First operand 1417 states and 1733 transitions. Second operand 25 states. [2018-04-11 13:26:43,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:43,188 INFO L93 Difference]: Finished difference Result 2028 states and 2467 transitions. [2018-04-11 13:26:43,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 13:26:43,188 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 90 [2018-04-11 13:26:43,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:43,189 INFO L225 Difference]: With dead ends: 2028 [2018-04-11 13:26:43,189 INFO L226 Difference]: Without dead ends: 2028 [2018-04-11 13:26:43,190 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=415, Invalid=1655, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 13:26:43,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2028 states. [2018-04-11 13:26:43,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2028 to 1500. [2018-04-11 13:26:43,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1500 states. [2018-04-11 13:26:43,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1844 transitions. [2018-04-11 13:26:43,198 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1844 transitions. Word has length 90 [2018-04-11 13:26:43,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:43,198 INFO L459 AbstractCegarLoop]: Abstraction has 1500 states and 1844 transitions. [2018-04-11 13:26:43,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 13:26:43,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1844 transitions. [2018-04-11 13:26:43,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-11 13:26:43,199 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:43,199 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:43,199 INFO L408 AbstractCegarLoop]: === Iteration 64 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:43,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1921171115, now seen corresponding path program 1 times [2018-04-11 13:26:43,200 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:43,213 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:43,934 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:43,934 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 13:26:43,934 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:43,934 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 13:26:43,935 INFO L182 omatonBuilderFactory]: Interpolants [90561#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset)), 90560#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 90563#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 90562#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset)), 90565#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 90564#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 90567#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 90566#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 main_~root~0.offset) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 90569#(or (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)))), 90568#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 90571#(or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (or (not (= main_~n~0.offset 0)) |main_#t~short4|) (<= 0 main_~n~0.offset))), 90570#(or (and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0)))) (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 90573#(or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 90572#(or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 90575#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem12.base| main_~root~0.base)))), 90574#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 90577#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= |main_#t~mem13.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 90576#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 90579#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 90578#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 90581#(= 1 (select |#valid| |main_#t~mem6.base|)), 90580#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 90582#(= 1 (select |#valid| main_~n~0.base)), 90553#false, 90552#true, 90555#(and (= 0 main_~root~0.offset) (= 8 (select |#length| main_~root~0.base))), 90554#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 90557#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 90556#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 90559#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset)), 90558#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset))] [2018-04-11 13:26:43,935 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:43,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 13:26:43,935 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 13:26:43,935 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=757, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:26:43,935 INFO L87 Difference]: Start difference. First operand 1500 states and 1844 transitions. Second operand 31 states. [2018-04-11 13:26:46,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:46,779 INFO L93 Difference]: Finished difference Result 2038 states and 2496 transitions. [2018-04-11 13:26:46,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-04-11 13:26:46,779 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 90 [2018-04-11 13:26:46,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:46,780 INFO L225 Difference]: With dead ends: 2038 [2018-04-11 13:26:46,780 INFO L226 Difference]: Without dead ends: 2038 [2018-04-11 13:26:46,781 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1940 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1600, Invalid=5372, Unknown=0, NotChecked=0, Total=6972 [2018-04-11 13:26:46,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2018-04-11 13:26:46,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 1668. [2018-04-11 13:26:46,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1668 states. [2018-04-11 13:26:46,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2078 transitions. [2018-04-11 13:26:46,790 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2078 transitions. Word has length 90 [2018-04-11 13:26:46,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:46,790 INFO L459 AbstractCegarLoop]: Abstraction has 1668 states and 2078 transitions. [2018-04-11 13:26:46,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 13:26:46,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2078 transitions. [2018-04-11 13:26:46,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-11 13:26:46,791 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:46,791 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:46,791 INFO L408 AbstractCegarLoop]: === Iteration 65 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:46,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1921171116, now seen corresponding path program 1 times [2018-04-11 13:26:46,791 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:46,802 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:47,565 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:47,565 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:47,565 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 13:26:47,566 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:47,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:47,566 INFO L182 omatonBuilderFactory]: Interpolants [94401#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 94400#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 94403#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 94402#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 94405#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 94404#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 94407#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 94406#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 94409#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 94408#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 94411#(and (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= main_~n~0.offset main_~root~0.offset)), 94410#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 94413#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (and (or (<= 1 main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~root~0.base))) (<= (+ main_~n~0.offset 1) 0)) (= (select |#valid| main_~root~0.base) 1)), 94412#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 94415#(and (or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| main_~n~0.base))) |main_#t~short4|) (= (select |#valid| main_~root~0.base) 1)), 94414#(and (or (and (= main_~n~0.base main_~root~0.base) (or (<= 1 main_~n~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| main_~n~0.base)))) (= (select |#valid| main_~root~0.base) 1)), 94417#(or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~malloc11.base|)))), 94416#(and (or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| main_~n~0.base)))) (= (select |#valid| main_~root~0.base) 1)), 94419#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem12.base| main_~root~0.base)))), 94418#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 94421#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 94420#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 94423#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))), 94422#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 94425#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|))), 94424#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 94426#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 94395#true, 94397#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 94396#false, 94399#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 94398#(and (= 0 main_~root~0.offset) (= 8 (select |#length| main_~root~0.base)))] [2018-04-11 13:26:47,566 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:47,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 13:26:47,566 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 13:26:47,566 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=804, Unknown=0, NotChecked=0, Total=992 [2018-04-11 13:26:47,566 INFO L87 Difference]: Start difference. First operand 1668 states and 2078 transitions. Second operand 32 states. [2018-04-11 13:26:51,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:51,416 INFO L93 Difference]: Finished difference Result 2849 states and 3555 transitions. [2018-04-11 13:26:51,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-04-11 13:26:51,416 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 90 [2018-04-11 13:26:51,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:51,418 INFO L225 Difference]: With dead ends: 2849 [2018-04-11 13:26:51,418 INFO L226 Difference]: Without dead ends: 2849 [2018-04-11 13:26:51,418 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2700 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1941, Invalid=7179, Unknown=0, NotChecked=0, Total=9120 [2018-04-11 13:26:51,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2849 states. [2018-04-11 13:26:51,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2849 to 2158. [2018-04-11 13:26:51,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2158 states. [2018-04-11 13:26:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 2736 transitions. [2018-04-11 13:26:51,433 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 2736 transitions. Word has length 90 [2018-04-11 13:26:51,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:51,433 INFO L459 AbstractCegarLoop]: Abstraction has 2158 states and 2736 transitions. [2018-04-11 13:26:51,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 13:26:51,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 2736 transitions. [2018-04-11 13:26:51,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-11 13:26:51,434 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:51,434 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:51,434 INFO L408 AbstractCegarLoop]: === Iteration 66 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:51,434 INFO L82 PathProgramCache]: Analyzing trace with hash -2053128591, now seen corresponding path program 1 times [2018-04-11 13:26:51,434 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:51,447 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:52,863 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:52,863 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:52,863 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-11 13:26:52,863 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:52,863 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 13:26:52,864 INFO L182 omatonBuilderFactory]: Interpolants [99585#(and (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))))) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 99584#(and (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))))) |main_#t~short4|)), 99587#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|))), 99586#(and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 99589#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0)), 99588#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 99591#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0)), 99590#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0)), 99593#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 99592#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0)), 99595#(or (not |main_#t~short4|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 99594#(and (= |main_#t~mem3.offset| 0) (or (= |main_#t~mem3.base| 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))), 99597#(= 1 (select |#valid| |main_#t~mem7.base|)), 99596#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 99598#(= 1 (select |#valid| main_~n~0.base)), 99563#false, 99562#true, 99565#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 99564#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 99567#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 99566#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 99569#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 99568#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 99571#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 99570#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 99573#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 99572#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 99575#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 |main_#t~malloc17.offset|)), 99574#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 99577#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 99576#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 99579#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 99578#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= |main_#t~mem19.offset| 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 99581#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))), 99580#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset 0) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 99583#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))))) (and (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0))))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 99582#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))))) (and (= main_~n~0.base main_~root~0.base) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))) (= 8 (select |#length| main_~root~0.base)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))] [2018-04-11 13:26:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:52,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-11 13:26:52,864 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-11 13:26:52,864 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1117, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 13:26:52,864 INFO L87 Difference]: Start difference. First operand 2158 states and 2736 transitions. Second operand 37 states. [2018-04-11 13:26:56,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:56,411 INFO L93 Difference]: Finished difference Result 3367 states and 4253 transitions. [2018-04-11 13:26:56,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-04-11 13:26:56,411 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 90 [2018-04-11 13:26:56,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:56,412 INFO L225 Difference]: With dead ends: 3367 [2018-04-11 13:26:56,412 INFO L226 Difference]: Without dead ends: 3367 [2018-04-11 13:26:56,412 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3593 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=2138, Invalid=9204, Unknown=0, NotChecked=0, Total=11342 [2018-04-11 13:26:56,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3367 states. [2018-04-11 13:26:56,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3367 to 2880. [2018-04-11 13:26:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2880 states. [2018-04-11 13:26:56,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 3701 transitions. [2018-04-11 13:26:56,428 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 3701 transitions. Word has length 90 [2018-04-11 13:26:56,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:56,428 INFO L459 AbstractCegarLoop]: Abstraction has 2880 states and 3701 transitions. [2018-04-11 13:26:56,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-11 13:26:56,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 3701 transitions. [2018-04-11 13:26:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-11 13:26:56,429 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:56,429 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:56,429 INFO L408 AbstractCegarLoop]: === Iteration 67 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:56,429 INFO L82 PathProgramCache]: Analyzing trace with hash -2053128590, now seen corresponding path program 1 times [2018-04-11 13:26:56,429 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:56,442 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:57,137 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:57,137 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-11 13:26:57,137 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:57,137 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 13:26:57,137 INFO L182 omatonBuilderFactory]: Interpolants [105987#false, 105986#true, 105989#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 105988#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 105991#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 105990#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 105993#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 105992#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= 0 |main_#t~malloc17.base|)) (= 0 |main_#t~malloc17.offset|)), 105995#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 105994#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 105997#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 105996#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 105999#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (or (= main_~root~0.offset main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))))) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 105998#(and (= main_~root~0.offset 0) (or (and (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (or (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~root~0.base))) (= main_~root~0.offset main_~n~0.offset))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1)) (< main_~n~0.offset main_~root~0.offset))), 106001#(and (= (select |#valid| main_~n~0.base) 1) (or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (not |main_#t~short16|) (= main_~root~0.offset main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 106000#(and (or (and (not (= 0 |main_#t~mem14.base|)) (= main_~root~0.offset main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 106003#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 106002#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 106005#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 106004#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 106007#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 106006#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 106009#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 106008#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 106011#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 106010#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|))] [2018-04-11 13:26:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:57,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 13:26:57,138 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 13:26:57,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2018-04-11 13:26:57,138 INFO L87 Difference]: Start difference. First operand 2880 states and 3701 transitions. Second operand 26 states. [2018-04-11 13:26:59,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:26:59,288 INFO L93 Difference]: Finished difference Result 2979 states and 3721 transitions. [2018-04-11 13:26:59,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-11 13:26:59,288 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 90 [2018-04-11 13:26:59,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:26:59,290 INFO L225 Difference]: With dead ends: 2979 [2018-04-11 13:26:59,290 INFO L226 Difference]: Without dead ends: 2979 [2018-04-11 13:26:59,290 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=869, Invalid=3037, Unknown=0, NotChecked=0, Total=3906 [2018-04-11 13:26:59,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2018-04-11 13:26:59,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2349. [2018-04-11 13:26:59,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2349 states. [2018-04-11 13:26:59,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 2974 transitions. [2018-04-11 13:26:59,302 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 2974 transitions. Word has length 90 [2018-04-11 13:26:59,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:26:59,302 INFO L459 AbstractCegarLoop]: Abstraction has 2349 states and 2974 transitions. [2018-04-11 13:26:59,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 13:26:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 2974 transitions. [2018-04-11 13:26:59,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-11 13:26:59,303 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:26:59,303 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:26:59,303 INFO L408 AbstractCegarLoop]: === Iteration 68 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:26:59,303 INFO L82 PathProgramCache]: Analyzing trace with hash -2058854229, now seen corresponding path program 1 times [2018-04-11 13:26:59,304 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:26:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:26:59,317 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:26:59,777 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:59,777 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:26:59,777 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-11 13:26:59,777 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:26:59,777 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 13:26:59,777 INFO L182 omatonBuilderFactory]: Interpolants [111425#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 111424#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 111427#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 111426#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 111429#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 111428#(and (= 0 main_~root~0.offset) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 111431#(or (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (or (<= (+ main_~n~0.offset 1) 0) (not (= main_~root~0.offset (+ main_~n~0.offset 4)))))), 111430#(and (= (select |#valid| main_~root~0.base) 1) (<= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 111433#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= (+ main_~n~0.offset 4) main_~root~0.offset))))), 111432#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.offset (+ main_~n~0.offset 4)))))), 111435#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= |main_#t~mem18.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 111434#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 111437#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 111436#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 111439#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 111438#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 111441#(= 1 (select |#valid| main_~n~0.base)), 111440#(= 1 (select |#valid| |main_#t~mem6.base|)), 111415#false, 111414#true, 111417#(= 0 main_~root~0.offset), 111416#(= 0 |main_#t~malloc0.offset|), 111419#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 111418#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1)), 111421#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 111420#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| |main_#t~malloc11.base|) 1) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 111423#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 111422#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))] [2018-04-11 13:26:59,777 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:26:59,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-11 13:26:59,778 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-11 13:26:59,778 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=597, Unknown=0, NotChecked=0, Total=756 [2018-04-11 13:26:59,778 INFO L87 Difference]: Start difference. First operand 2349 states and 2974 transitions. Second operand 28 states. [2018-04-11 13:27:01,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:01,276 INFO L93 Difference]: Finished difference Result 3214 states and 4015 transitions. [2018-04-11 13:27:01,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-11 13:27:01,277 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 90 [2018-04-11 13:27:01,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:01,278 INFO L225 Difference]: With dead ends: 3214 [2018-04-11 13:27:01,278 INFO L226 Difference]: Without dead ends: 3214 [2018-04-11 13:27:01,278 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1217, Invalid=3205, Unknown=0, NotChecked=0, Total=4422 [2018-04-11 13:27:01,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3214 states. [2018-04-11 13:27:01,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3214 to 2594. [2018-04-11 13:27:01,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2594 states. [2018-04-11 13:27:01,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2594 states and 3303 transitions. [2018-04-11 13:27:01,291 INFO L78 Accepts]: Start accepts. Automaton has 2594 states and 3303 transitions. Word has length 90 [2018-04-11 13:27:01,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:01,291 INFO L459 AbstractCegarLoop]: Abstraction has 2594 states and 3303 transitions. [2018-04-11 13:27:01,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-11 13:27:01,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3303 transitions. [2018-04-11 13:27:01,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-11 13:27:01,292 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:01,292 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:01,292 INFO L408 AbstractCegarLoop]: === Iteration 69 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:01,292 INFO L82 PathProgramCache]: Analyzing trace with hash -2058854228, now seen corresponding path program 1 times [2018-04-11 13:27:01,293 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:01,312 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:02,140 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:02,140 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:27:02,141 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 13:27:02,141 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:02,141 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 13:27:02,141 INFO L182 omatonBuilderFactory]: Interpolants [117329#false, 117328#true, 117331#(= 0 main_~root~0.offset), 117330#(= 0 |main_#t~malloc0.offset|), 117333#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 117332#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1)), 117335#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 117334#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 117337#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 117336#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 117339#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 117338#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 117341#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 117340#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 117343#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)), 117342#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)), 117345#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (<= main_~root~0.offset 0)), 117344#(and (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 117347#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| main_~n~0.base))), 117346#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (or (<= (+ main_~n~0.offset 1) 0) (not (= main_~root~0.offset (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1)))), 117349#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 117348#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (or (and (= main_~n~0.base main_~root~0.base) (not (= (+ main_~n~0.offset 4) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base |main_#t~malloc17.base|))))), 117351#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))), 117350#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem18.base| main_~root~0.base))), 117353#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))), 117352#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base))), 117355#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|))), 117354#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 117356#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)))] [2018-04-11 13:27:02,141 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:02,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 13:27:02,142 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 13:27:02,142 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=646, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:27:02,142 INFO L87 Difference]: Start difference. First operand 2594 states and 3303 transitions. Second operand 29 states. [2018-04-11 13:27:04,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:04,525 INFO L93 Difference]: Finished difference Result 3483 states and 4341 transitions. [2018-04-11 13:27:04,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-11 13:27:04,525 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 90 [2018-04-11 13:27:04,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:04,527 INFO L225 Difference]: With dead ends: 3483 [2018-04-11 13:27:04,527 INFO L226 Difference]: Without dead ends: 3483 [2018-04-11 13:27:04,527 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1201 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1242, Invalid=4014, Unknown=0, NotChecked=0, Total=5256 [2018-04-11 13:27:04,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3483 states. [2018-04-11 13:27:04,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3483 to 2628. [2018-04-11 13:27:04,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2628 states. [2018-04-11 13:27:04,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 3345 transitions. [2018-04-11 13:27:04,543 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 3345 transitions. Word has length 90 [2018-04-11 13:27:04,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:04,543 INFO L459 AbstractCegarLoop]: Abstraction has 2628 states and 3345 transitions. [2018-04-11 13:27:04,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 13:27:04,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 3345 transitions. [2018-04-11 13:27:04,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-11 13:27:04,544 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:04,544 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:04,544 INFO L408 AbstractCegarLoop]: === Iteration 70 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:04,544 INFO L82 PathProgramCache]: Analyzing trace with hash -17453012, now seen corresponding path program 2 times [2018-04-11 13:27:04,544 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:04,557 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:05,365 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:05,365 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:27:05,365 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 13:27:05,365 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:05,366 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 13:27:05,366 INFO L182 omatonBuilderFactory]: Interpolants [123585#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 123584#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 123587#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 123586#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 123557#false, 123556#true, 123559#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)), 123558#(= (select |#valid| main_~root~0.base) 1), 123561#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 123560#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 123563#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 123562#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (or |main_#t~short4| (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset main_~root~0.offset)))), 123565#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 123564#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~malloc11.offset|) (= main_~n~0.offset main_~root~0.offset)), 123567#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 123566#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~n~0.offset main_~root~0.offset)), 123569#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (or (not |main_#t~short16|) (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)))), 123568#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem14.offset|) (= main_~n~0.offset main_~root~0.offset)), 123571#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 123570#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~malloc17.offset|) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 123573#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 123572#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 123575#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 123574#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 123577#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)), 123576#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)), 123579#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 123578#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)), 123581#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem12.base| main_~root~0.base))), 123580#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 123583#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 123582#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))] [2018-04-11 13:27:05,366 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:05,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 13:27:05,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 13:27:05,366 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=848, Unknown=0, NotChecked=0, Total=992 [2018-04-11 13:27:05,366 INFO L87 Difference]: Start difference. First operand 2628 states and 3345 transitions. Second operand 32 states. [2018-04-11 13:27:07,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:07,622 INFO L93 Difference]: Finished difference Result 3994 states and 5050 transitions. [2018-04-11 13:27:07,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-11 13:27:07,622 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 90 [2018-04-11 13:27:07,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:07,624 INFO L225 Difference]: With dead ends: 3994 [2018-04-11 13:27:07,624 INFO L226 Difference]: Without dead ends: 3994 [2018-04-11 13:27:07,624 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1334 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=881, Invalid=4669, Unknown=0, NotChecked=0, Total=5550 [2018-04-11 13:27:07,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3994 states. [2018-04-11 13:27:07,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3994 to 3416. [2018-04-11 13:27:07,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3416 states. [2018-04-11 13:27:07,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3416 states to 3416 states and 4366 transitions. [2018-04-11 13:27:07,644 INFO L78 Accepts]: Start accepts. Automaton has 3416 states and 4366 transitions. Word has length 90 [2018-04-11 13:27:07,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:07,644 INFO L459 AbstractCegarLoop]: Abstraction has 3416 states and 4366 transitions. [2018-04-11 13:27:07,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 13:27:07,645 INFO L276 IsEmpty]: Start isEmpty. Operand 3416 states and 4366 transitions. [2018-04-11 13:27:07,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-04-11 13:27:07,645 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:07,645 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:07,645 INFO L408 AbstractCegarLoop]: === Iteration 71 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:07,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1326322239, now seen corresponding path program 1 times [2018-04-11 13:27:07,646 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:07,657 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:27:08,129 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:27:08,129 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 13:27:08,129 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:08,129 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 13:27:08,129 INFO L182 omatonBuilderFactory]: Interpolants [131086#(= 0 |main_#t~malloc0.offset|), 131087#(= main_~root~0.offset 0), 131084#true, 131085#false, 131090#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 131091#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 131088#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 131089#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 131094#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 131095#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 131092#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 131093#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 131098#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 131099#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 131096#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 131097#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 131102#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4))) 0)) (= main_~s~0.offset 0)), 131103#(and (= main_~s~0.offset main_~st~0.offset) (= main_~st~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~s~0.offset 4))) 0))), 131100#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 |main_#t~malloc20.offset|) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|))), 131101#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base))), 131106#(and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~st~0.offset 0)), 131107#(not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)), 131104#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) 0)) (= main_~st~0.offset 0)), 131105#(and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|) 0)) (= main_~st~0.offset 0)), 131110#(= main_~n~0.base main_~st~0.base), 131111#(= main_~n~0.base main_~s~0.base), 131108#(not (= |main_#t~mem23.base| 0)), 131109#(= main_~n~0.base |main_#t~malloc27.base|), 131112#(= 0 (select |#valid| main_~s~0.base))] [2018-04-11 13:27:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:27:08,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 13:27:08,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 13:27:08,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=705, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:27:08,130 INFO L87 Difference]: Start difference. First operand 3416 states and 4366 transitions. Second operand 29 states. [2018-04-11 13:27:09,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:09,206 INFO L93 Difference]: Finished difference Result 3701 states and 4691 transitions. [2018-04-11 13:27:09,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 13:27:09,206 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 91 [2018-04-11 13:27:09,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:09,207 INFO L225 Difference]: With dead ends: 3701 [2018-04-11 13:27:09,207 INFO L226 Difference]: Without dead ends: 3701 [2018-04-11 13:27:09,208 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=502, Invalid=2578, Unknown=0, NotChecked=0, Total=3080 [2018-04-11 13:27:09,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3701 states. [2018-04-11 13:27:09,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3701 to 3432. [2018-04-11 13:27:09,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3432 states. [2018-04-11 13:27:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 3432 states and 4382 transitions. [2018-04-11 13:27:09,228 INFO L78 Accepts]: Start accepts. Automaton has 3432 states and 4382 transitions. Word has length 91 [2018-04-11 13:27:09,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:09,228 INFO L459 AbstractCegarLoop]: Abstraction has 3432 states and 4382 transitions. [2018-04-11 13:27:09,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 13:27:09,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3432 states and 4382 transitions. [2018-04-11 13:27:09,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-11 13:27:09,229 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:09,229 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:09,229 INFO L408 AbstractCegarLoop]: === Iteration 72 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:09,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1652939678, now seen corresponding path program 1 times [2018-04-11 13:27:09,230 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:09,243 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:10,283 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:10,283 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:27:10,283 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-11 13:27:10,283 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:10,284 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 13:27:10,284 INFO L182 omatonBuilderFactory]: Interpolants [138306#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 138307#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 138304#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 138305#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 138310#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.offset main_~root~0.offset)), 138311#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 138308#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 138309#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem13.offset| 0) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 138314#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4)))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4)))) (+ 0 4))) (= main_~s~0.offset 0)), 138315#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~s~0.offset 4)))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~s~0.offset 4)))) (+ 0 4))) (= main_~s~0.offset main_~st~0.offset) (= main_~st~0.offset 0)), 138312#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc20.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 |main_#t~malloc20.offset|) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|))), 138313#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 main_~s~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~s~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base))), 138318#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= main_~st~0.offset 0)), 138319#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4)))), 138316#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4)))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4)))) (+ 0 4))) (= main_~st~0.offset 0)), 138317#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|)) (+ 0 4))) (= main_~st~0.offset 0)), 138322#(and (or (= main_~n~0.base main_~st~0.base) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) (+ 0 4)))) (= main_~st~0.base |main_#t~mem25.base|)) (= main_~st~0.offset 0)), 138323#(and (= main_~st~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))) (= main_~n~0.base main_~st~0.base) (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ 0 4))))), 138320#(and (= 0 |main_#t~malloc24.offset|) (or (= main_~n~0.base |main_#t~malloc24.base|) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4)))))), 138321#(and (or (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base main_~st~0.base) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))))) (= main_~st~0.offset 0)), 138326#(and (or (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))) (= 0 (select |#valid| main_~s~0.base))) (= main_~st~0.offset 0)), 138327#(and (or (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))))) (= main_~st~0.offset 0)), 138324#(and (= 0 main_~s~0.offset) (or (= main_~s~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) (+ 0 4)))) (= main_~n~0.base main_~s~0.base))), 138325#(and (= 0 main_~s~0.offset) (or (= main_~s~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select |#valid| main_~s~0.base)))), 138330#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (= main_~st~0.base main_~n~0.base)), 138331#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= (+ main_~n~0.offset 1) 0) (= 0 (select |#valid| main_~n~0.base)) (<= 1 main_~n~0.offset)), 138328#(and (or (= main_~st~0.base |main_#t~mem22.base|) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))))) (= main_~st~0.offset 0)), 138329#(and (= main_~st~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (= main_~st~0.base main_~n~0.base))), 138334#(<= 1 main_~n~0.offset), 138335#(or (<= 1 main_~n~0.offset) (= main_~n~0.base main_~st~0.base)), 138332#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= 1 main_~n~0.offset)), 138333#(or (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem26.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 138338#(= 0 (select |#valid| main_~s~0.base)), 138336#(or (<= 1 main_~n~0.offset) (= main_~n~0.base main_~s~0.base)), 138337#(= main_~n~0.base main_~s~0.base), 138302#(= 0 |main_#t~malloc0.offset|), 138303#(= main_~root~0.offset 0), 138300#true, 138301#false] [2018-04-11 13:27:10,284 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:10,284 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-11 13:27:10,284 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-11 13:27:10,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1365, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 13:27:10,284 INFO L87 Difference]: Start difference. First operand 3432 states and 4382 transitions. Second operand 39 states. [2018-04-11 13:27:12,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:12,767 INFO L93 Difference]: Finished difference Result 3737 states and 4726 transitions. [2018-04-11 13:27:12,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-11 13:27:12,767 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 95 [2018-04-11 13:27:12,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:12,769 INFO L225 Difference]: With dead ends: 3737 [2018-04-11 13:27:12,769 INFO L226 Difference]: Without dead ends: 3728 [2018-04-11 13:27:12,769 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1511 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=623, Invalid=5697, Unknown=0, NotChecked=0, Total=6320 [2018-04-11 13:27:12,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3728 states. [2018-04-11 13:27:12,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3728 to 3462. [2018-04-11 13:27:12,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3462 states. [2018-04-11 13:27:12,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3462 states to 3462 states and 4413 transitions. [2018-04-11 13:27:12,790 INFO L78 Accepts]: Start accepts. Automaton has 3462 states and 4413 transitions. Word has length 95 [2018-04-11 13:27:12,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:12,790 INFO L459 AbstractCegarLoop]: Abstraction has 3462 states and 4413 transitions. [2018-04-11 13:27:12,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-11 13:27:12,790 INFO L276 IsEmpty]: Start isEmpty. Operand 3462 states and 4413 transitions. [2018-04-11 13:27:12,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-11 13:27:12,791 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:12,791 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:12,791 INFO L408 AbstractCegarLoop]: === Iteration 73 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:12,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1339893890, now seen corresponding path program 2 times [2018-04-11 13:27:12,791 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:12,802 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:13,959 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:13,959 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:27:13,959 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-11 13:27:13,960 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:13,960 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 13:27:13,960 INFO L182 omatonBuilderFactory]: Interpolants [145622#(= 0 |main_#t~malloc0.offset|), 145623#(= main_~root~0.offset 0), 145620#true, 145621#false, 145626#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 145627#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 145624#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 145625#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 145630#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (not (= 0 (+ |main_#t~mem13.offset| 4))) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 145631#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 145628#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= |main_#t~mem12.offset| 0) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 145629#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 145634#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= main_~s~0.offset 0) (not (= main_~s~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))), 145635#(and (= main_~s~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4)))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4)))) 0))), 145632#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))), 145633#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc20.base|)) (= 0 |main_#t~malloc20.offset|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base |main_#t~malloc20.base|))), 145638#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|)) 0)) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|)) 0))), 145639#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 145636#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~s~0.offset 4)))) 0)) (= main_~s~0.offset main_~st~0.offset) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~s~0.offset 4)))) 0))), 145637#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4)))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4)))) 0)) (= main_~st~0.offset 0)), 145642#(and (= main_~st~0.offset 0) (or (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))) (= main_~n~0.base main_~st~0.base))), 145643#(and (= main_~st~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) 0))) (= main_~n~0.base main_~st~0.base) (= main_~st~0.base |main_#t~mem25.base|))), 145640#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 145641#(and (= 0 |main_#t~malloc24.offset|) (or (= main_~n~0.base |main_#t~malloc24.base|) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))))), 145646#(and (= 0 main_~s~0.offset) (or (= main_~s~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) 0))) (= 0 (select |#valid| main_~s~0.base)))), 145647#(and (or (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 0))) (= 0 (select |#valid| main_~s~0.base))) (= main_~st~0.offset 0)), 145644#(and (= main_~st~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 0))) (= main_~n~0.base main_~st~0.base) (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ 0 4))))), 145645#(and (or (= main_~s~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) 0))) (= main_~n~0.base main_~s~0.base)) (= 0 main_~s~0.offset)), 145650#(and (or (not (= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~st~0.base main_~n~0.base)) (= main_~st~0.offset 0)), 145651#(or (not (= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~st~0.base main_~n~0.base)), 145648#(and (= main_~st~0.offset 0) (or (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 0))))), 145649#(and (= main_~st~0.offset 0) (or (= main_~st~0.base |main_#t~mem22.base|) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) 0))))), 145654#(not (= 0 main_~n~0.offset)), 145655#(or (not (= 0 main_~n~0.offset)) (= main_~n~0.base |main_#t~malloc24.base|)), 145652#(or (not (= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| main_~n~0.base))), 145653#(or (not (= 0 main_~n~0.offset)) (and (= 0 |main_#t~mem23.offset|) (= 0 |main_#t~mem23.base|))), 145658#(= main_~n~0.base main_~s~0.base), 145659#(= 0 (select |#valid| main_~s~0.base)), 145656#(or (not (= 0 main_~n~0.offset)) (= main_~n~0.base main_~st~0.base)), 145657#(or (not (= 0 main_~n~0.offset)) (= main_~n~0.base main_~s~0.base))] [2018-04-11 13:27:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:13,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-11 13:27:13,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-11 13:27:13,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1436, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 13:27:13,961 INFO L87 Difference]: Start difference. First operand 3462 states and 4413 transitions. Second operand 40 states. [2018-04-11 13:27:16,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:16,494 INFO L93 Difference]: Finished difference Result 3729 states and 4715 transitions. [2018-04-11 13:27:16,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-11 13:27:16,495 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 95 [2018-04-11 13:27:16,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:16,497 INFO L225 Difference]: With dead ends: 3729 [2018-04-11 13:27:16,497 INFO L226 Difference]: Without dead ends: 3675 [2018-04-11 13:27:16,497 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1373 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=579, Invalid=5273, Unknown=0, NotChecked=0, Total=5852 [2018-04-11 13:27:16,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3675 states. [2018-04-11 13:27:16,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3675 to 3424. [2018-04-11 13:27:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3424 states. [2018-04-11 13:27:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3424 states to 3424 states and 4373 transitions. [2018-04-11 13:27:16,518 INFO L78 Accepts]: Start accepts. Automaton has 3424 states and 4373 transitions. Word has length 95 [2018-04-11 13:27:16,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:16,518 INFO L459 AbstractCegarLoop]: Abstraction has 3424 states and 4373 transitions. [2018-04-11 13:27:16,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-11 13:27:16,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3424 states and 4373 transitions. [2018-04-11 13:27:16,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-11 13:27:16,519 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:16,519 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:16,519 INFO L408 AbstractCegarLoop]: === Iteration 74 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:16,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1581983166, now seen corresponding path program 2 times [2018-04-11 13:27:16,519 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:16,538 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:18,002 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:18,002 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:27:18,002 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-04-11 13:27:18,002 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:18,003 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 13:27:18,003 INFO L182 omatonBuilderFactory]: Interpolants [152898#(and (= |main_#t~mem19.offset| 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| |main_#t~mem19.base|)))) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 152899#(and (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 152896#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (or (not (= main_~root~0.offset main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 152897#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 1 (select |#valid| main_~n~0.base)) (or (not (= main_~root~0.offset main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= main_~root~0.offset 0)), 152902#(and (= main_~s~0.offset 0) (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4)) main_~s~0.base))))), 152903#(and (= main_~s~0.offset main_~st~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~st~0.offset 0)), 152900#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~malloc20.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))))) (= 0 |main_#t~malloc20.offset|) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|))), 152901#(and (= main_~s~0.offset 0) (= main_~root~0.offset 0) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) main_~s~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))))) (not (= main_~s~0.base main_~root~0.base))), 152906#(and (= main_~st~0.offset 0) (or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (or (and (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))))), 152907#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 152904#(and (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))) (+ 0 4))) (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))))) (= main_~st~0.offset 0)), 152905#(and (= main_~st~0.offset 0) (or (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4)))) (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))) (+ 0 4))))) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))), 152910#(and (or (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (and (= 0 |main_#t~mem26.base|) (= |main_#t~mem26.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 1 (select |#valid| main_~n~0.base))), 152911#(and (= 1 (select |#valid| main_~n~0.base)) (or (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))))), 152908#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))), 152909#(and (= 1 (select |#valid| main_~n~0.base)) (or (<= 1 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))))), 152914#(and (= 0 main_~st~0.offset) (or (and (not (= main_~n~0.base main_~st~0.base)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4)))))) (<= 1 main_~n~0.offset))), 152915#(and (= 0 main_~st~0.offset) (or (<= 1 main_~n~0.offset) (and (not (= main_~n~0.base main_~st~0.base)) (or (and (not (= main_~st~0.base |main_#t~mem28.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem28.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem28.base|) (+ 0 4)))) (not (= 0 |main_#t~mem28.offset|)))))), 152912#(and (= 0 |main_#t~malloc27.offset|) (not (= |main_#t~malloc27.base| main_~n~0.base)) (or (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~malloc27.base|))))), 152913#(and (not (= main_~st~0.base main_~n~0.base)) (= 0 main_~st~0.offset) (or (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4)))))), 152918#(and (= 0 main_~s~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) (+ 0 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ 0 4)))))), 152919#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))))) (= main_~st~0.offset 0)), 152916#(and (= 0 main_~st~0.offset) (or (<= 1 main_~n~0.offset) (and (not (= main_~n~0.base main_~st~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ 0 4)))))))), 152917#(and (= 0 main_~s~0.offset) (or (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) (+ 0 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ 0 4)))))), 152922#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset)), 152923#(or (<= 1 main_~n~0.offset) (and (or (not (= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 1 (select |#valid| main_~n~0.base)))), 152920#(and (= main_~st~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4)))) (not (= 0 |main_#t~mem22.offset|)))), 152921#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset)) (= main_~st~0.offset 0)), 152926#(or (<= 1 main_~n~0.offset) (and (not (= 0 main_~n~0.offset)) (not (= main_~n~0.base |main_#t~malloc27.base|)))), 152927#(not (= 0 main_~n~0.offset)), 152924#(or (<= 1 main_~n~0.offset) (and (= 1 (select |#valid| main_~n~0.base)) (or (not (= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem26.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))))), 152925#(or (<= 1 main_~n~0.offset) (and (not (= 0 main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)))), 152928#(and (not (= 0 main_~n~0.offset)) (= (select |#valid| main_~n~0.base) 1)), 152887#true, 152890#(= main_~root~0.offset 0), 152891#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 152888#false, 152889#(= 0 |main_#t~malloc0.offset|), 152894#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0)), 152895#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset 0) (or (= 1 (select |#valid| |main_#t~malloc17.base|)) (not (= main_~root~0.offset main_~n~0.offset))) (= 0 |main_#t~malloc17.offset|)), 152892#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 152893#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))] [2018-04-11 13:27:18,003 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:18,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-11 13:27:18,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-11 13:27:18,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1574, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 13:27:18,004 INFO L87 Difference]: Start difference. First operand 3424 states and 4373 transitions. Second operand 42 states. [2018-04-11 13:27:21,716 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 106 DAG size of output 85 [2018-04-11 13:27:22,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:22,015 INFO L93 Difference]: Finished difference Result 3920 states and 4957 transitions. [2018-04-11 13:27:22,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-04-11 13:27:22,015 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 95 [2018-04-11 13:27:22,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:22,017 INFO L225 Difference]: With dead ends: 3920 [2018-04-11 13:27:22,018 INFO L226 Difference]: Without dead ends: 3911 [2018-04-11 13:27:22,018 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2289 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=839, Invalid=7351, Unknown=0, NotChecked=0, Total=8190 [2018-04-11 13:27:22,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3911 states. [2018-04-11 13:27:22,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3911 to 3433. [2018-04-11 13:27:22,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3433 states. [2018-04-11 13:27:22,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3433 states to 3433 states and 4382 transitions. [2018-04-11 13:27:22,038 INFO L78 Accepts]: Start accepts. Automaton has 3433 states and 4382 transitions. Word has length 95 [2018-04-11 13:27:22,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:22,038 INFO L459 AbstractCegarLoop]: Abstraction has 3433 states and 4382 transitions. [2018-04-11 13:27:22,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-11 13:27:22,038 INFO L276 IsEmpty]: Start isEmpty. Operand 3433 states and 4382 transitions. [2018-04-11 13:27:22,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-11 13:27:22,039 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:22,039 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:22,039 INFO L408 AbstractCegarLoop]: === Iteration 75 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:22,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1410850402, now seen corresponding path program 1 times [2018-04-11 13:27:22,040 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:22,053 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:23,059 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:27:23,059 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-11 13:27:23,059 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:23,059 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 13:27:23,059 INFO L182 omatonBuilderFactory]: Interpolants [160386#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 160387#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 160384#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 160385#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 160390#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) 0)) (= (select |#valid| |main_#t~mem19.base|) 1) (not (= 0 (+ |main_#t~mem19.offset| 4))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 160391#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 160388#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= |main_#t~mem18.offset| 0) (= main_~root~0.offset 0)), 160389#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 160394#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) 0)) (= main_~s~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) 0)) (= (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) 1)), 160395#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) 0)) (= main_~s~0.offset main_~st~0.offset) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) 0)) (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) 1)), 160392#(and (= 0 |main_#t~malloc20.offset|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= (select (store |#valid| |main_#t~malloc20.base| 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 160393#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1)), 160398#(and (or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1))) (= main_~st~0.offset 0)), 160399#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1))), 160396#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))) 0)) (= main_~st~0.offset 0) (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))) 0))), 160397#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))) 0)) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))) 0)) (= (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4))) 1)), 160402#(and (or (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~malloc27.base|)))) (= 0 |main_#t~malloc27.offset|)), 160403#(and (= main_~st~0.offset 0) (or (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))) (= main_~n~0.base main_~st~0.base))), 160400#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))) (<= 1 main_~n~0.offset)), 160401#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))) (<= 1 main_~n~0.offset)), 160406#(and (= 0 main_~s~0.offset) (or (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) 0))) (= main_~n~0.base main_~s~0.base))), 160407#(and (= 0 main_~s~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) 0))) (= main_~n~0.base main_~s~0.base))), 160404#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem28.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem28.base|) 0)) (not (= main_~st~0.base |main_#t~mem28.base|))) (<= 1 main_~n~0.offset) (= main_~n~0.base main_~st~0.base)) (= main_~st~0.offset 0)), 160405#(and (or (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 0))) (= main_~n~0.base main_~st~0.base)) (= main_~st~0.offset 0)), 160410#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 0)) (= main_~st~0.offset 0)), 160411#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) 0)) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) 0))), 160408#(and (= 0 main_~s~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))) 0))) (= 0 (select |#valid| main_~s~0.base)))), 160409#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 0))) (= 0 (select |#valid| main_~s~0.base))) (= main_~st~0.offset 0)), 160414#(or (not (= 0 main_~n~0.offset)) (and (= 0 |main_#t~mem23.offset|) (= 0 |main_#t~mem23.base|))), 160415#(not (= 0 main_~n~0.offset)), 160412#(and (or (not (= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= main_~st~0.offset 0)), 160413#(or (not (= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 160418#(= main_~n~0.base main_~s~0.base), 160419#(= 0 (select |#valid| main_~s~0.base)), 160416#(or (not (= 0 main_~n~0.offset)) (= main_~n~0.base main_~st~0.base)), 160417#(or (not (= 0 main_~n~0.offset)) (= main_~n~0.base main_~s~0.base)), 160382#(= 0 |main_#t~malloc0.offset|), 160383#(= main_~root~0.offset 0), 160380#true, 160381#false] [2018-04-11 13:27:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:23,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-11 13:27:23,060 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-11 13:27:23,060 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1442, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 13:27:23,060 INFO L87 Difference]: Start difference. First operand 3433 states and 4382 transitions. Second operand 40 states. [2018-04-11 13:27:25,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:25,703 INFO L93 Difference]: Finished difference Result 3908 states and 4923 transitions. [2018-04-11 13:27:25,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-11 13:27:25,704 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 95 [2018-04-11 13:27:25,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:25,705 INFO L225 Difference]: With dead ends: 3908 [2018-04-11 13:27:25,705 INFO L226 Difference]: Without dead ends: 3854 [2018-04-11 13:27:25,706 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1372 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=587, Invalid=5419, Unknown=0, NotChecked=0, Total=6006 [2018-04-11 13:27:25,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3854 states. [2018-04-11 13:27:25,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3854 to 3381. [2018-04-11 13:27:25,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2018-04-11 13:27:25,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4328 transitions. [2018-04-11 13:27:25,725 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4328 transitions. Word has length 95 [2018-04-11 13:27:25,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:25,726 INFO L459 AbstractCegarLoop]: Abstraction has 3381 states and 4328 transitions. [2018-04-11 13:27:25,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-11 13:27:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4328 transitions. [2018-04-11 13:27:25,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-04-11 13:27:25,726 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:25,726 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:25,726 INFO L408 AbstractCegarLoop]: === Iteration 76 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:25,727 INFO L82 PathProgramCache]: Analyzing trace with hash 86949809, now seen corresponding path program 1 times [2018-04-11 13:27:25,727 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:25,755 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:26,701 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:27:26,701 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-04-11 13:27:26,701 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:26,701 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 13:27:26,701 INFO L182 omatonBuilderFactory]: Interpolants [167810#(and (= 0 |main_#t~malloc27.offset|) (or (<= 1 main_~n~0.offset) (and (not (= |main_#t~malloc27.base| main_~s~0.base)) (not (= |main_#t~malloc27.base| main_~n~0.base)) (= 1 (select |#valid| main_~s~0.base)) (not (= main_~s~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base main_~s~0.base))))), 167811#(and (= main_~st~0.offset 0) (or (<= 1 main_~n~0.offset) (and (not (= main_~st~0.base main_~n~0.base)) (= 1 (select |#valid| main_~s~0.base)) (not (= main_~s~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~s~0.base main_~st~0.base)) (not (= main_~n~0.base main_~s~0.base))))), 167808#(or (<= 1 main_~n~0.offset) (and (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| main_~st~0.base)) (not (= main_~n~0.base main_~st~0.base)))), 167809#(or (and (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| main_~s~0.base)) (not (= main_~s~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base main_~s~0.base))) (<= 1 main_~n~0.offset)), 167814#(and (= (select |#valid| main_~n~0.base) 1) (= main_~st~0.offset 0) (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset) main_~st~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ 0 4))))) (<= 1 main_~n~0.offset))), 167815#(and (= 0 main_~s~0.offset) (= (select |#valid| main_~n~0.base) 1) (or (<= 1 main_~n~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset) main_~s~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset) (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)))))), 167812#(and (or (<= 1 main_~n~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset) main_~st~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset))))) (= main_~st~0.offset 0)), 167813#(and (= (select |#valid| main_~n~0.base) 1) (= main_~st~0.offset 0) (or (<= 1 main_~n~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset) main_~st~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset))) (= |main_#t~mem28.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))), 167818#(and (= 0 main_~s~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset) main_~s~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset) (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)))), 167819#(and (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= main_~st~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)))), 167816#(and (= 0 main_~s~0.offset) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset) main_~s~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset) (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)))), 167817#(and (= 0 main_~s~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset) main_~s~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset) (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)))), 167822#(and (not (= main_~s~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (not (= main_~st~0.base main_~s~0.base)) (= main_~st~0.offset 0) (= 1 (select |#valid| main_~s~0.base)) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))), 167823#(and (not (= main_~st~0.base main_~s~0.base)) (= main_~st~0.offset 0) (= 1 (select |#valid| main_~s~0.base)) (not (= main_~n~0.base main_~s~0.base))), 167820#(and (not (= main_~st~0.base |main_#t~mem21.base|)) (not (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= 1 (select |#valid| |main_#t~mem21.base|)) (= main_~st~0.offset 0)), 167821#(and (not (= main_~s~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (not (= main_~st~0.base main_~s~0.base)) (= main_~st~0.offset 0) (= 1 (select |#valid| main_~s~0.base))), 167826#(= 1 (select |#valid| main_~s~0.base)), 167824#(and (not (= main_~st~0.base main_~s~0.base)) (= 1 (select |#valid| main_~s~0.base)) (not (= main_~n~0.base main_~s~0.base))), 167825#(and (= 1 (select |#valid| main_~s~0.base)) (not (= main_~n~0.base main_~s~0.base))), 167786#false, 167787#(= 0 |main_#t~malloc0.offset|), 167785#true, 167790#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 167791#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 167788#(= main_~root~0.offset 0), 167789#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 167794#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 167795#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 167792#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 167793#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 167798#(and (= 1 (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~s~0.offset 0)), 167799#(and (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4)))) (= main_~s~0.offset main_~st~0.offset) (= main_~st~0.offset 0)), 167796#(and (= 1 (select (store |#valid| |main_#t~malloc20.base| 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 |main_#t~malloc20.offset|) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc20.base|))), 167797#(and (= 1 (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base))), 167802#(and (= main_~st~0.offset 0) (or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))), 167803#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 167800#(and (= main_~st~0.offset 0) (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))))), 167801#(and (= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) (+ 0 4)))) (= main_~st~0.offset 0)), 167806#(or (<= 1 main_~n~0.offset) (and (not (= |main_#t~malloc24.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| |main_#t~malloc24.base|)) (not (= main_~n~0.base |main_#t~malloc24.base|)))), 167807#(or (<= 1 main_~n~0.offset) (and (not (= main_~st~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| main_~st~0.base)) (not (= main_~n~0.base main_~st~0.base)))), 167804#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 167805#(or (<= 1 main_~n~0.offset) (and (= 1 (select |#valid| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))))] [2018-04-11 13:27:26,702 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:26,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-11 13:27:26,702 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-11 13:27:26,702 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1598, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 13:27:26,702 INFO L87 Difference]: Start difference. First operand 3381 states and 4328 transitions. Second operand 42 states. [2018-04-11 13:27:29,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:29,665 INFO L93 Difference]: Finished difference Result 3896 states and 4911 transitions. [2018-04-11 13:27:29,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-11 13:27:29,665 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 96 [2018-04-11 13:27:29,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:29,667 INFO L225 Difference]: With dead ends: 3896 [2018-04-11 13:27:29,667 INFO L226 Difference]: Without dead ends: 3896 [2018-04-11 13:27:29,668 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1479 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=596, Invalid=5884, Unknown=0, NotChecked=0, Total=6480 [2018-04-11 13:27:29,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3896 states. [2018-04-11 13:27:29,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3896 to 3386. [2018-04-11 13:27:29,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2018-04-11 13:27:29,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 4335 transitions. [2018-04-11 13:27:29,688 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 4335 transitions. Word has length 96 [2018-04-11 13:27:29,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:29,688 INFO L459 AbstractCegarLoop]: Abstraction has 3386 states and 4335 transitions. [2018-04-11 13:27:29,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-11 13:27:29,688 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 4335 transitions. [2018-04-11 13:27:29,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-04-11 13:27:29,689 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:29,689 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:29,689 INFO L408 AbstractCegarLoop]: === Iteration 77 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:29,689 INFO L82 PathProgramCache]: Analyzing trace with hash 86949810, now seen corresponding path program 1 times [2018-04-11 13:27:29,689 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:29,697 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:29,792 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 13:27:29,792 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:27:29,792 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-11 13:27:29,792 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:29,792 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 13:27:29,792 INFO L182 omatonBuilderFactory]: Interpolants [175187#true, 175190#(and (= 0 main_~st~0.offset) (= 8 (select |#length| main_~st~0.base))), 175191#(and (= 0 main_~s~0.offset) (= 8 (select |#length| main_~s~0.base))), 175188#false, 175189#(and (= 0 |main_#t~malloc24.offset|) (= 8 (select |#length| |main_#t~malloc24.base|))), 175194#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| |main_#t~mem21.base|))), 175192#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) main_~st~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset)))), 175193#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)))] [2018-04-11 13:27:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 13:27:29,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 13:27:29,793 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 13:27:29,793 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:27:29,793 INFO L87 Difference]: Start difference. First operand 3386 states and 4335 transitions. Second operand 8 states. [2018-04-11 13:27:30,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:30,140 INFO L93 Difference]: Finished difference Result 3601 states and 4564 transitions. [2018-04-11 13:27:30,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 13:27:30,140 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2018-04-11 13:27:30,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:30,142 INFO L225 Difference]: With dead ends: 3601 [2018-04-11 13:27:30,142 INFO L226 Difference]: Without dead ends: 3601 [2018-04-11 13:27:30,143 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2018-04-11 13:27:30,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3601 states. [2018-04-11 13:27:30,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3601 to 3424. [2018-04-11 13:27:30,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3424 states. [2018-04-11 13:27:30,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3424 states to 3424 states and 4386 transitions. [2018-04-11 13:27:30,163 INFO L78 Accepts]: Start accepts. Automaton has 3424 states and 4386 transitions. Word has length 96 [2018-04-11 13:27:30,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:30,164 INFO L459 AbstractCegarLoop]: Abstraction has 3424 states and 4386 transitions. [2018-04-11 13:27:30,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 13:27:30,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3424 states and 4386 transitions. [2018-04-11 13:27:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-04-11 13:27:30,164 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:30,164 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:30,164 INFO L408 AbstractCegarLoop]: === Iteration 78 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:30,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1599523000, now seen corresponding path program 1 times [2018-04-11 13:27:30,165 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:30,172 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:30,210 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 13:27:30,210 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:27:30,210 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-11 13:27:30,210 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:30,210 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 13:27:30,210 INFO L182 omatonBuilderFactory]: Interpolants [182250#(not (= 0 |main_#t~malloc24.base|)), 182251#(not (= 0 main_~st~0.base)), 182248#true, 182249#false, 182254#(not (= 0 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))), 182255#(not (= 0 |main_#t~mem21.base|)), 182252#(not (= 0 main_~s~0.base)), 182253#(not (= 0 (select (select |#memory_$Pointer$.base| main_~st~0.base) main_~st~0.offset)))] [2018-04-11 13:27:30,211 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 13:27:30,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 13:27:30,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 13:27:30,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:27:30,211 INFO L87 Difference]: Start difference. First operand 3424 states and 4386 transitions. Second operand 8 states. [2018-04-11 13:27:30,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:30,377 INFO L93 Difference]: Finished difference Result 3593 states and 4555 transitions. [2018-04-11 13:27:30,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 13:27:30,377 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 97 [2018-04-11 13:27:30,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:30,379 INFO L225 Difference]: With dead ends: 3593 [2018-04-11 13:27:30,379 INFO L226 Difference]: Without dead ends: 3593 [2018-04-11 13:27:30,379 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2018-04-11 13:27:30,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3593 states. [2018-04-11 13:27:30,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3593 to 3424. [2018-04-11 13:27:30,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3424 states. [2018-04-11 13:27:30,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3424 states to 3424 states and 4384 transitions. [2018-04-11 13:27:30,405 INFO L78 Accepts]: Start accepts. Automaton has 3424 states and 4384 transitions. Word has length 97 [2018-04-11 13:27:30,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:30,405 INFO L459 AbstractCegarLoop]: Abstraction has 3424 states and 4384 transitions. [2018-04-11 13:27:30,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 13:27:30,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3424 states and 4384 transitions. [2018-04-11 13:27:30,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-04-11 13:27:30,406 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:30,406 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:30,406 INFO L408 AbstractCegarLoop]: === Iteration 79 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:30,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1954391826, now seen corresponding path program 1 times [2018-04-11 13:27:30,407 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:30,413 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:30,429 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-04-11 13:27:30,429 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:27:30,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:27:30,429 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:30,429 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 13:27:30,429 INFO L182 omatonBuilderFactory]: Interpolants [189302#false, 189303#(= main_~s~0.base main_~st~0.base), 189301#true, 189304#(= 1 (select |#valid| main_~st~0.base))] [2018-04-11 13:27:30,430 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-04-11 13:27:30,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:27:30,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:27:30,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:27:30,430 INFO L87 Difference]: Start difference. First operand 3424 states and 4384 transitions. Second operand 4 states. [2018-04-11 13:27:30,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:30,474 INFO L93 Difference]: Finished difference Result 3429 states and 4386 transitions. [2018-04-11 13:27:30,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:27:30,475 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-04-11 13:27:30,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:30,476 INFO L225 Difference]: With dead ends: 3429 [2018-04-11 13:27:30,476 INFO L226 Difference]: Without dead ends: 3429 [2018-04-11 13:27:30,477 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 13:27:30,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3429 states. [2018-04-11 13:27:30,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3429 to 3416. [2018-04-11 13:27:30,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3416 states. [2018-04-11 13:27:30,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3416 states to 3416 states and 4375 transitions. [2018-04-11 13:27:30,496 INFO L78 Accepts]: Start accepts. Automaton has 3416 states and 4375 transitions. Word has length 98 [2018-04-11 13:27:30,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:30,496 INFO L459 AbstractCegarLoop]: Abstraction has 3416 states and 4375 transitions. [2018-04-11 13:27:30,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:27:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3416 states and 4375 transitions. [2018-04-11 13:27:30,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-04-11 13:27:30,497 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:30,497 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:30,497 INFO L408 AbstractCegarLoop]: === Iteration 80 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:30,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1932593790, now seen corresponding path program 2 times [2018-04-11 13:27:30,497 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:30,518 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:31,930 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:27:31,930 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-11 13:27:31,930 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:31,931 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 13:27:31,931 INFO L182 omatonBuilderFactory]: Interpolants [196162#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 196163#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 196160#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 196161#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 196166#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (or (and (= 8 (select |#length| main_~root~0.base)) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) 0) 0)) (and (= main_~n~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))))) (not |main_#t~short4|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0)), 196167#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) 0) 0)) (and (= main_~n~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))))), 196164#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 196165#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 196170#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (or (< 0 main_~n~0.offset) (and (or (not (= 0 |main_#t~mem2.base|)) (and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)))) (<= 0 main_~n~0.offset)))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)))), 196171#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)) |main_#t~short4|) (= 1 (select |#valid| main_~n~0.base))), 196168#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) 0) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) 0)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 196169#(or (and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))), 196174#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base))), 196175#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base)))) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base |main_#t~mem12.base|))), 196172#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))) (= 1 (select |#valid| main_~n~0.base))), 196173#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 196178#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0))) (= (select |#valid| main_~n~0.base) 1)), 196179#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (= main_~root~0.offset |main_#t~malloc17.offset|) (= |main_#t~malloc17.base| main_~root~0.base) (= 0 |main_#t~malloc17.offset|)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base |main_#t~malloc17.base|))))), 196176#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0))) (= (select |#valid| main_~n~0.base) 1)), 196177#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)))), 196182#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (<= main_~root~0.offset 0)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))), 196183#(or (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) main_~root~0.offset)) (not (= (+ |main_#t~mem19.offset| 4) main_~root~0.offset)) (= |main_#t~mem19.base| main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) main_~root~0.offset))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))), 196180#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.base)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 196181#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| main_~root~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| 0)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem18.base| main_~root~0.base))))), 196186#(or (and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 196187#(or (not |main_#t~short4|) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 196184#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))), 196185#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 196190#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 196188#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 196189#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 196154#false, 196155#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 196153#true, 196158#(and (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0)), 196159#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| |main_#t~malloc17.base|)) (= 8 (select |#length| main_~n~0.base)) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset main_~n~0.offset) (= 0 |main_#t~malloc17.offset|)), 196156#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 196157#(and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0))] [2018-04-11 13:27:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:31,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-11 13:27:31,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-11 13:27:31,932 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1244, Unknown=0, NotChecked=0, Total=1406 [2018-04-11 13:27:31,932 INFO L87 Difference]: Start difference. First operand 3416 states and 4375 transitions. Second operand 38 states. [2018-04-11 13:27:35,704 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 94 DAG size of output 77 [2018-04-11 13:27:35,920 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 92 DAG size of output 79 [2018-04-11 13:27:36,480 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 98 DAG size of output 81 [2018-04-11 13:27:36,614 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 96 DAG size of output 83 [2018-04-11 13:27:37,510 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 90 DAG size of output 77 [2018-04-11 13:27:37,674 WARN L151 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 101 DAG size of output 83 [2018-04-11 13:27:37,891 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 99 DAG size of output 87 [2018-04-11 13:27:38,238 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 87 DAG size of output 76 [2018-04-11 13:27:38,406 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 105 DAG size of output 87 [2018-04-11 13:27:38,691 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 103 DAG size of output 91 [2018-04-11 13:27:40,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:40,025 INFO L93 Difference]: Finished difference Result 6470 states and 8240 transitions. [2018-04-11 13:27:40,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-04-11 13:27:40,025 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 98 [2018-04-11 13:27:40,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:40,028 INFO L225 Difference]: With dead ends: 6470 [2018-04-11 13:27:40,028 INFO L226 Difference]: Without dead ends: 6470 [2018-04-11 13:27:40,029 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5153 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=2619, Invalid=14411, Unknown=0, NotChecked=0, Total=17030 [2018-04-11 13:27:40,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6470 states. [2018-04-11 13:27:40,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6470 to 3161. [2018-04-11 13:27:40,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3161 states. [2018-04-11 13:27:40,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 3161 states and 4076 transitions. [2018-04-11 13:27:40,055 INFO L78 Accepts]: Start accepts. Automaton has 3161 states and 4076 transitions. Word has length 98 [2018-04-11 13:27:40,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:40,055 INFO L459 AbstractCegarLoop]: Abstraction has 3161 states and 4076 transitions. [2018-04-11 13:27:40,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-11 13:27:40,055 INFO L276 IsEmpty]: Start isEmpty. Operand 3161 states and 4076 transitions. [2018-04-11 13:27:40,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-04-11 13:27:40,056 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:40,056 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:40,056 INFO L408 AbstractCegarLoop]: === Iteration 81 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:40,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1926868151, now seen corresponding path program 2 times [2018-04-11 13:27:40,056 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:40,076 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:41,581 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:41,581 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:27:41,581 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-04-11 13:27:41,581 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:41,581 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 13:27:41,582 INFO L182 omatonBuilderFactory]: Interpolants [206019#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 206018#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 206017#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 206016#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.base main_~n~0.base) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 206023#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 206022#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 206021#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 206020#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 206027#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) 0) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) 0)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 206026#(and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= main_~n~0.offset main_~root~0.offset)), 206025#(and (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (not |main_#t~short4|)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= main_~n~0.offset main_~root~0.offset)), 206024#(and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= main_~n~0.offset main_~root~0.offset)), 206031#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 1 (select |#valid| main_~n~0.base))), 206030#(or (and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 1 (select |#valid| main_~n~0.base))) |main_#t~short4|), 206029#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= 0 |main_#t~mem2.base|)) (and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))))), 206028#(or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 206035#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 206034#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (or (and (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= |main_#t~mem12.base| main_~root~0.base)))) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base |main_#t~mem12.base|))), 206033#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (not (= main_~n~0.base main_~root~0.base)) (or (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base))), 206032#(and (not (= main_~n~0.base |main_#t~malloc11.base|)) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (or (= |main_#t~malloc11.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= main_~root~0.offset 0)))), 206039#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (= main_~root~0.offset |main_#t~malloc17.offset|) (= |main_#t~malloc17.base| main_~root~0.base) (= 0 |main_#t~malloc17.offset|)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 206038#(and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 206037#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 206036#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 206043#(or (and (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) main_~root~0.offset)) (not (= (+ |main_#t~mem19.offset| 4) main_~root~0.offset)) (= |main_#t~mem19.base| main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) main_~root~0.offset)))), 206042#(or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (<= main_~root~0.offset 0))), 206041#(and (or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| main_~root~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| 0))) (not (= main_~n~0.base |main_#t~mem18.base|))), 206040#(and (or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.base))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 206047#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not |main_#t~short4|)), 206046#(or (and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 206045#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 206044#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 206050#(= 1 (select |#valid| main_~n~0.base)), 206049#(= 1 (select |#valid| |main_#t~mem6.base|)), 206048#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 206011#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 206010#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 206009#false, 206008#true, 206015#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 206014#(and (= (select |#valid| |main_#t~malloc11.base|) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 206013#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 206012#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)))] [2018-04-11 13:27:41,582 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:41,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-04-11 13:27:41,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-04-11 13:27:41,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=1570, Unknown=0, NotChecked=0, Total=1806 [2018-04-11 13:27:41,582 INFO L87 Difference]: Start difference. First operand 3161 states and 4076 transitions. Second operand 43 states. [2018-04-11 13:27:47,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:47,834 INFO L93 Difference]: Finished difference Result 6031 states and 7753 transitions. [2018-04-11 13:27:47,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-04-11 13:27:47,834 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 98 [2018-04-11 13:27:47,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:47,838 INFO L225 Difference]: With dead ends: 6031 [2018-04-11 13:27:47,838 INFO L226 Difference]: Without dead ends: 6031 [2018-04-11 13:27:47,838 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5952 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=3528, Invalid=15654, Unknown=0, NotChecked=0, Total=19182 [2018-04-11 13:27:47,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6031 states. [2018-04-11 13:27:47,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6031 to 4494. [2018-04-11 13:27:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4494 states. [2018-04-11 13:27:47,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4494 states to 4494 states and 5887 transitions. [2018-04-11 13:27:47,868 INFO L78 Accepts]: Start accepts. Automaton has 4494 states and 5887 transitions. Word has length 98 [2018-04-11 13:27:47,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:47,868 INFO L459 AbstractCegarLoop]: Abstraction has 4494 states and 5887 transitions. [2018-04-11 13:27:47,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-04-11 13:27:47,868 INFO L276 IsEmpty]: Start isEmpty. Operand 4494 states and 5887 transitions. [2018-04-11 13:27:47,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-04-11 13:27:47,869 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:47,869 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:47,869 INFO L408 AbstractCegarLoop]: === Iteration 82 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:47,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1926868152, now seen corresponding path program 1 times [2018-04-11 13:27:47,869 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:47,884 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:49,262 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:49,263 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:27:49,263 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-11 13:27:49,263 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:49,263 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 13:27:49,263 INFO L182 omatonBuilderFactory]: Interpolants [216771#(and (= 0 main_~root~0.offset) (= 8 (select |#length| main_~root~0.base))), 216770#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 216769#false, 216768#true, 216775#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset)), 216774#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 216773#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 216772#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 216779#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 216778#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset)), 216777#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| |main_#t~mem13.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 216776#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset)), 216783#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 216782#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 216781#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 216780#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 216787#(or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)) (and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)))), 216786#(or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)))), 216785#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 216784#(and (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= main_~n~0.offset main_~root~0.offset)), 216791#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select |#valid| main_~root~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))) (= 1 (select |#valid| main_~n~0.base))), 216790#(or (and (= main_~n~0.base main_~root~0.base) (not (= (select |#valid| main_~root~0.base) 0)) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select |#valid| main_~root~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~malloc11.base|)))), 216789#(or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1))), 216788#(or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) |main_#t~short4|) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)))), 216795#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select |#valid| main_~root~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (= (select |#valid| main_~n~0.base) 1)), 216794#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select |#valid| main_~root~0.base) 0)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))))), 216793#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select |#valid| main_~root~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))))), 216792#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select |#valid| main_~root~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem12.base| main_~root~0.base))))), 216799#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem18.base| main_~root~0.base))), 216798#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 216797#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base |main_#t~malloc17.base|))), 216796#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select |#valid| main_~root~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~n~0.base) 1)), 216803#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 216802#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))), 216801#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base))), 216800#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))), 216805#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 216804#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|)))] [2018-04-11 13:27:49,263 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:49,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-11 13:27:49,264 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-11 13:27:49,264 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=1212, Unknown=0, NotChecked=0, Total=1406 [2018-04-11 13:27:49,264 INFO L87 Difference]: Start difference. First operand 4494 states and 5887 transitions. Second operand 38 states. [2018-04-11 13:27:55,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:27:55,183 INFO L93 Difference]: Finished difference Result 10440 states and 13490 transitions. [2018-04-11 13:27:55,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-04-11 13:27:55,183 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 98 [2018-04-11 13:27:55,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:27:55,189 INFO L225 Difference]: With dead ends: 10440 [2018-04-11 13:27:55,189 INFO L226 Difference]: Without dead ends: 10440 [2018-04-11 13:27:55,190 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4554 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=2711, Invalid=12789, Unknown=0, NotChecked=0, Total=15500 [2018-04-11 13:27:55,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10440 states. [2018-04-11 13:27:55,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10440 to 6798. [2018-04-11 13:27:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6798 states. [2018-04-11 13:27:55,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6798 states to 6798 states and 9032 transitions. [2018-04-11 13:27:55,240 INFO L78 Accepts]: Start accepts. Automaton has 6798 states and 9032 transitions. Word has length 98 [2018-04-11 13:27:55,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:27:55,240 INFO L459 AbstractCegarLoop]: Abstraction has 6798 states and 9032 transitions. [2018-04-11 13:27:55,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-11 13:27:55,240 INFO L276 IsEmpty]: Start isEmpty. Operand 6798 states and 9032 transitions. [2018-04-11 13:27:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-11 13:27:55,241 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:27:55,241 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:27:55,241 INFO L408 AbstractCegarLoop]: === Iteration 83 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:27:55,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1454007035, now seen corresponding path program 2 times [2018-04-11 13:27:55,241 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:27:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:27:55,259 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:27:57,124 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 24 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:57,124 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:27:57,124 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-11 13:27:57,124 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:27:57,125 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 13:27:57,125 INFO L182 omatonBuilderFactory]: Interpolants [234243#(and (or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem13.base| main_~root~0.base)) (<= 0 main_~n~0.offset))) (= main_~root~0.offset 0)), 234242#(and (or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= 0 main_~n~0.offset))) (= main_~root~0.offset 0)), 234241#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (or (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= 0 main_~n~0.offset) (not (= |main_#t~mem12.base| main_~root~0.base))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7))) (= main_~root~0.offset 0)), 234240#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= 0 main_~n~0.offset))) (= main_~root~0.offset 0)), 234247#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 234246#(and (or (not |main_#t~short16|) (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))))) (= main_~root~0.offset 0)), 234245#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (and (= |main_#t~mem14.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (= main_~root~0.offset 0)), 234244#(and (= main_~root~0.offset 0) (or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (<= 0 main_~n~0.offset)))), 234251#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset|))) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ 0 4)))) (not (= |main_#t~mem7.offset| 0))) (= 8 (select |#length| |main_#t~mem7.base|))), 234250#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4)))))), 234249#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))))) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 234248#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4)))))), 234255#(and (or (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8)), 234254#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not |main_#t~short4|) (not (= main_~n~0.offset 0))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)), 234253#(and (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (or (<= 1 main_~n~0.offset) (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|))) (<= 0 main_~n~0.offset)))), 234252#(or (<= (+ main_~n~0.offset 1) 0) (and (= 8 (select |#length| main_~n~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.offset 0))))), 234257#(not |main_#t~short4|), 234256#(and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0) (<= main_~n~0.offset 0) (<= 0 main_~n~0.offset)), 234219#false, 234218#true, 234223#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 234222#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 234221#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 234220#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 234227#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 234226#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= |main_#t~mem18.offset| 0) (= 1 (select |#valid| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 234225#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 234224#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 234231#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))), 234230#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))), 234229#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 234228#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= (+ |main_#t~mem19.offset| 4) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) 0)) (= 1 (select |#valid| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| |main_#t~mem19.base|))), 234235#(and (or (and (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~n~0.offset 0)) (= 1 (select |#valid| main_~n~0.base))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (< main_~n~0.offset main_~root~0.offset)) (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))) (= main_~root~0.offset 0)), 234234#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) 0) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) 0)))) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 234233#(and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))), 234232#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (not |main_#t~short4|)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))), 234239#(and (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~malloc11.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (<= 0 main_~n~0.offset)))), 234238#(and (or (< (select |#length| main_~n~0.base) (+ main_~n~0.offset 8)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (= 1 (select |#valid| main_~root~0.base)) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 234237#(and (or (and (or (< (select |#length| main_~n~0.base) (+ main_~n~0.offset 8)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (= 1 (select |#valid| main_~root~0.base)) (<= 0 main_~n~0.offset))) (= main_~root~0.offset 0)) |main_#t~short4|) (= 1 (select |#valid| main_~n~0.base))), 234236#(and (or (< (select |#length| main_~n~0.base) (+ main_~n~0.offset 8)) (not (= 0 |main_#t~mem2.base|)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (= 1 (select |#valid| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0))] [2018-04-11 13:27:57,125 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 24 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:27:57,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-11 13:27:57,125 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-11 13:27:57,125 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1381, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 13:27:57,126 INFO L87 Difference]: Start difference. First operand 6798 states and 9032 transitions. Second operand 40 states. [2018-04-11 13:27:59,337 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 104 DAG size of output 92 [2018-04-11 13:28:00,543 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 101 DAG size of output 91 [2018-04-11 13:28:01,511 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 96 DAG size of output 92 [2018-04-11 13:28:01,669 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 81 DAG size of output 51 [2018-04-11 13:28:01,890 WARN L151 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 92 DAG size of output 89 [2018-04-11 13:28:02,098 WARN L151 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 86 DAG size of output 83 [2018-04-11 13:28:04,475 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 99 DAG size of output 92 [2018-04-11 13:28:04,848 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 103 DAG size of output 97 [2018-04-11 13:28:04,991 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 97 DAG size of output 91 [2018-04-11 13:28:05,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:28:05,062 INFO L93 Difference]: Finished difference Result 9468 states and 12532 transitions. [2018-04-11 13:28:05,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-04-11 13:28:05,062 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 100 [2018-04-11 13:28:05,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:28:05,067 INFO L225 Difference]: With dead ends: 9468 [2018-04-11 13:28:05,068 INFO L226 Difference]: Without dead ends: 9468 [2018-04-11 13:28:05,068 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4723 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=2083, Invalid=13417, Unknown=0, NotChecked=0, Total=15500 [2018-04-11 13:28:05,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9468 states. [2018-04-11 13:28:05,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9468 to 7763. [2018-04-11 13:28:05,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7763 states. [2018-04-11 13:28:05,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7763 states to 7763 states and 10344 transitions. [2018-04-11 13:28:05,120 INFO L78 Accepts]: Start accepts. Automaton has 7763 states and 10344 transitions. Word has length 100 [2018-04-11 13:28:05,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:28:05,120 INFO L459 AbstractCegarLoop]: Abstraction has 7763 states and 10344 transitions. [2018-04-11 13:28:05,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-11 13:28:05,120 INFO L276 IsEmpty]: Start isEmpty. Operand 7763 states and 10344 transitions. [2018-04-11 13:28:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-11 13:28:05,121 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:28:05,121 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:28:05,121 INFO L408 AbstractCegarLoop]: === Iteration 84 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:28:05,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1410580801, now seen corresponding path program 2 times [2018-04-11 13:28:05,121 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:28:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:28:05,136 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:28:06,608 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 30 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:28:06,608 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:28:06,608 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-11 13:28:06,608 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:28:06,608 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 13:28:06,608 INFO L182 omatonBuilderFactory]: Interpolants [251659#true, 251663#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 251662#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 251661#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 251660#false, 251667#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= |main_#t~mem12.offset| 0) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 251666#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 251665#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 251664#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 251671#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0)), 251670#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 251669#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (+ |main_#t~mem13.offset| 4))) (= 8 (select |#length| main_~n~0.base)) (= (select |#valid| |main_#t~mem13.base|) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 251668#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0)), 251675#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 251674#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 251673#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base))), 251672#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 251679#(or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)) (and (= main_~n~0.base main_~root~0.base) (or (<= 1 main_~n~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)))), 251678#(or (and (or (and (or (<= 1 main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~root~0.base))) (<= (+ main_~n~0.offset 1) 0)) (= (select |#valid| main_~root~0.base) 1)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))), 251677#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0)), 251676#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= main_~n~0.offset main_~root~0.offset)), 251683#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0))), 251682#(or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc11.base|))) (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base)))), 251681#(or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))), 251680#(or (and (= (select |#valid| main_~root~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) |main_#t~short4|)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))), 251687#(or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0)) (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8))), 251686#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem13.base| main_~root~0.base)) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0))), 251685#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)) (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8))), 251684#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base)))), 251691#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 251690#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) |main_#t~mem6.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) |main_#t~mem6.offset|))), 251689#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 251688#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0)), 251693#(not |main_#t~short4|), 251692#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|))] [2018-04-11 13:28:06,608 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 30 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:28:06,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-11 13:28:06,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-11 13:28:06,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1029, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 13:28:06,609 INFO L87 Difference]: Start difference. First operand 7763 states and 10344 transitions. Second operand 35 states. [2018-04-11 13:28:10,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:28:10,485 INFO L93 Difference]: Finished difference Result 8203 states and 10858 transitions. [2018-04-11 13:28:10,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-04-11 13:28:10,502 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 100 [2018-04-11 13:28:10,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:28:10,507 INFO L225 Difference]: With dead ends: 8203 [2018-04-11 13:28:10,507 INFO L226 Difference]: Without dead ends: 8203 [2018-04-11 13:28:10,507 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2207 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1227, Invalid=6963, Unknown=0, NotChecked=0, Total=8190 [2018-04-11 13:28:10,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8203 states. [2018-04-11 13:28:10,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8203 to 7727. [2018-04-11 13:28:10,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7727 states. [2018-04-11 13:28:10,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7727 states to 7727 states and 10286 transitions. [2018-04-11 13:28:10,559 INFO L78 Accepts]: Start accepts. Automaton has 7727 states and 10286 transitions. Word has length 100 [2018-04-11 13:28:10,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:28:10,559 INFO L459 AbstractCegarLoop]: Abstraction has 7727 states and 10286 transitions. [2018-04-11 13:28:10,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-11 13:28:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 7727 states and 10286 transitions. [2018-04-11 13:28:10,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-11 13:28:10,560 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:28:10,560 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:28:10,560 INFO L408 AbstractCegarLoop]: === Iteration 85 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:28:10,560 INFO L82 PathProgramCache]: Analyzing trace with hash 469220999, now seen corresponding path program 1 times [2018-04-11 13:28:10,561 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:28:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:28:10,575 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:28:11,288 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 56 proven. 30 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-04-11 13:28:11,289 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:28:11,289 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-11 13:28:11,289 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:28:11,289 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 13:28:11,289 INFO L182 omatonBuilderFactory]: Interpolants [267740#(and (= 0 (select |#valid| 0)) (= main_~root~0.offset 0)), 267741#(and (= main_~n~0.base main_~root~0.base) (= 0 (select |#valid| 0)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 267742#(and (= main_~n~0.base main_~root~0.base) (= 0 (select |#valid| 0)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 267743#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= 0 (select |#valid| 0)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 267736#true, 267737#false, 267738#(= 0 (select |#valid| 0)), 267739#(and (= 0 |main_#t~malloc0.offset|) (= 0 (select |#valid| 0))), 267748#(and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select |#valid| 0)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 267749#(and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_#t~mem3.base| 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select |#valid| 0)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem3.base|)), 267750#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ main_~root~0.offset 4))) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 267751#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ main_~root~0.offset 4))) (or (= 8 (select |#length| |main_#t~mem7.base|)) (and (= 0 (select |#valid| 0)) (= 0 |main_#t~mem7.base|))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ main_~root~0.offset 4)))), 267744#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 0 (select |#valid| 0)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 267745#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select |#valid| 0)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 267746#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= |main_#t~mem19.offset| 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select |#valid| 0)) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 267747#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select |#valid| 0)) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 267756#(or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem12.base|)) (< main_~n~0.offset (+ main_~root~0.offset 1)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 267757#(or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (not (= main_~n~0.base |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (< main_~n~0.offset (+ main_~root~0.offset 1)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 267758#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (< main_~n~0.offset (+ main_~root~0.offset 1)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7))), 267759#(and (= |main_#t~mem14.base| 0) (= |main_#t~mem14.offset| 0) (= main_~root~0.offset 0)), 267752#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (< main_~n~0.offset (+ main_~root~0.offset 1)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (and (or (= 8 (select |#length| main_~n~0.base)) (and (= 0 main_~n~0.base) (= 0 (select |#valid| 0)))) (<= 1 main_~n~0.offset))), 267753#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (< main_~n~0.offset (+ main_~root~0.offset 1)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (and (or (= (select |#length| main_~n~0.base) 8) (and (= 0 main_~n~0.base) (= 0 (select |#valid| 0)))) (or (<= 1 main_~n~0.offset) (not (= (select |#length| main_~n~0.base) 8))))), 267754#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (< main_~n~0.offset (+ main_~root~0.offset 1)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (= 0 main_~n~0.base) (= 0 (select |#valid| 0)))), 267755#(or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (< main_~n~0.offset (+ main_~root~0.offset 1)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7))), 267760#(and |main_#t~short16| (= main_~root~0.offset 0))] [2018-04-11 13:28:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 56 proven. 30 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-04-11 13:28:11,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 13:28:11,290 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 13:28:11,290 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2018-04-11 13:28:11,290 INFO L87 Difference]: Start difference. First operand 7727 states and 10286 transitions. Second operand 25 states. [2018-04-11 13:28:12,242 WARN L151 SmtUtils]: Spent 117ms on a formula simplification. DAG size of input: 65 DAG size of output 61 [2018-04-11 13:28:12,822 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 70 DAG size of output 66 [2018-04-11 13:28:13,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:28:13,719 INFO L93 Difference]: Finished difference Result 8451 states and 11095 transitions. [2018-04-11 13:28:13,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 13:28:13,719 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 100 [2018-04-11 13:28:13,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:28:13,726 INFO L225 Difference]: With dead ends: 8451 [2018-04-11 13:28:13,726 INFO L226 Difference]: Without dead ends: 8451 [2018-04-11 13:28:13,726 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=465, Invalid=2291, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 13:28:13,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8451 states. [2018-04-11 13:28:13,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8451 to 7667. [2018-04-11 13:28:13,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7667 states. [2018-04-11 13:28:13,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7667 states to 7667 states and 10181 transitions. [2018-04-11 13:28:13,781 INFO L78 Accepts]: Start accepts. Automaton has 7667 states and 10181 transitions. Word has length 100 [2018-04-11 13:28:13,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:28:13,782 INFO L459 AbstractCegarLoop]: Abstraction has 7667 states and 10181 transitions. [2018-04-11 13:28:13,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 13:28:13,782 INFO L276 IsEmpty]: Start isEmpty. Operand 7667 states and 10181 transitions. [2018-04-11 13:28:13,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-11 13:28:13,783 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:28:13,783 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:28:13,783 INFO L408 AbstractCegarLoop]: === Iteration 86 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr45AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 13:28:13,783 INFO L82 PathProgramCache]: Analyzing trace with hash -2097627387, now seen corresponding path program 2 times [2018-04-11 13:28:13,783 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:28:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:28:13,797 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:28:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 29 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:28:14,958 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:28:14,958 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-11 13:28:14,958 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:28:14,959 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 13:28:14,959 INFO L182 omatonBuilderFactory]: Interpolants [283972#(not |main_#t~short4|), 283968#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 283969#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset|))), 283970#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 283971#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 283935#true, 283940#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 283941#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 283942#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.offset|) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 283943#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0)) |main_#t~short4|) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 283936#false, 283937#(= 0 |main_#t~malloc0.offset|), 283938#(= main_~root~0.offset 0), 283939#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 283948#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 283949#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem14.offset|) (= main_~n~0.offset main_~root~0.offset)), 283950#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (or (not |main_#t~short16|) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)) 0))), 283951#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~malloc17.offset|) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 |main_#t~malloc17.offset|)), 283944#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 283945#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~malloc11.offset|) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 283946#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)) 0) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 283947#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)) 0) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 283956#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 283957#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 283958#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem7.offset|) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base |main_#t~mem7.base|)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem7.base|)), 283959#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 283952#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 283953#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 283954#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 283955#(and (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 283964#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 283965#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 283966#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset 0) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 283967#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 283960#(and (not (= main_~n~0.base main_~root~0.base)) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.base|) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 283961#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) |main_#t~short4|) (= 1 (select |#valid| main_~n~0.base))), 283962#(and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 283963#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))] [2018-04-11 13:28:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 29 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:28:14,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-11 13:28:14,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-11 13:28:14,959 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1230, Unknown=0, NotChecked=0, Total=1406 [2018-04-11 13:28:14,959 INFO L87 Difference]: Start difference. First operand 7667 states and 10181 transitions. Second operand 38 states. Received shutdown request... [2018-04-11 13:28:16,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-11 13:28:16,536 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-11 13:28:16,540 WARN L197 ceAbstractionStarter]: Timeout [2018-04-11 13:28:16,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 01:28:16 BoogieIcfgContainer [2018-04-11 13:28:16,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 13:28:16,541 INFO L168 Benchmark]: Toolchain (without parser) took 168850.42 ms. Allocated memory was 396.4 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 329.7 MB in the beginning and 552.0 MB in the end (delta: -222.3 MB). Peak memory consumption was 920.6 MB. Max. memory is 5.3 GB. [2018-04-11 13:28:16,542 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 396.4 MB. Free memory is still 353.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 13:28:16,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.27 ms. Allocated memory is still 396.4 MB. Free memory was 329.0 MB in the beginning and 303.7 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 5.3 GB. [2018-04-11 13:28:16,542 INFO L168 Benchmark]: Boogie Preprocessor took 45.89 ms. Allocated memory is still 396.4 MB. Free memory was 303.7 MB in the beginning and 301.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 13:28:16,543 INFO L168 Benchmark]: RCFGBuilder took 530.81 ms. Allocated memory was 396.4 MB in the beginning and 602.4 MB in the end (delta: 206.0 MB). Free memory was 301.0 MB in the beginning and 518.9 MB in the end (delta: -217.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 5.3 GB. [2018-04-11 13:28:16,543 INFO L168 Benchmark]: TraceAbstraction took 167992.85 ms. Allocated memory was 602.4 MB in the beginning and 1.5 GB in the end (delta: 936.9 MB). Free memory was 518.9 MB in the beginning and 552.0 MB in the end (delta: -33.1 MB). Peak memory consumption was 903.8 MB. Max. memory is 5.3 GB. [2018-04-11 13:28:16,544 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 396.4 MB. Free memory is still 353.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 278.27 ms. Allocated memory is still 396.4 MB. Free memory was 329.0 MB in the beginning and 303.7 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 45.89 ms. Allocated memory is still 396.4 MB. Free memory was 303.7 MB in the beginning and 301.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 530.81 ms. Allocated memory was 396.4 MB in the beginning and 602.4 MB in the end (delta: 206.0 MB). Free memory was 301.0 MB in the beginning and 518.9 MB in the end (delta: -217.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 167992.85 ms. Allocated memory was 602.4 MB in the beginning and 1.5 GB in the end (delta: 936.9 MB). Free memory was 518.9 MB in the beginning and 552.0 MB in the end (delta: -33.1 MB). Peak memory consumption was 903.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 663]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 663). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 646]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 666]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 666). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 654]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 654). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 630]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 630). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 647]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 660]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 660). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 647]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 631]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 631). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 669]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 669). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 641]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 641). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 662]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 662). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 672]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 672). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 640]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 640). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 648]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 648). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 666]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 666). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 658]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 658). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 647]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 668]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 668). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 645]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 645). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 658]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 658). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 659]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 659). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 663]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 663). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 653]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 653). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 640]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 640). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 653]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 653). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 669]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 669). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 669]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 669). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 647]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 648]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 648). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 657]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 657). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 668]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 668). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 672]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 672). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 620]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 620). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 662]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 662). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 654]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 654). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 645]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 645). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 631]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 631). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 663]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 663). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 648]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 648). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 646]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 630]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 630). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 669]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 669). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 636]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 659]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 659). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 663]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 663). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 636]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 648]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 648). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 660]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 660). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 641]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 641). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - TimeoutResultAtElement [Line: 657]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 657). Cancelled while BasicCegarLoop was constructing difference of abstraction (7667states) and interpolant automaton (currently 36 states, 38 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 68. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 151 locations, 65 error locations. TIMEOUT Result, 167.9s OverallTime, 86 OverallIterations, 6 TraceHistogramMax, 121.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10130 SDtfs, 50094 SDslu, 87361 SDs, 0 SdLazy, 103391 SolverSat, 8335 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3987 GetRequests, 312 SyntacticMatches, 174 SemanticMatches, 3500 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67758 ImplicationChecksByTransitivity, 105.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7763occurred in iteration=83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 618/2070 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 85 MinimizatonAttempts, 30398 StatesRemovedByMinimization, 83 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 42.9s InterpolantComputationTime, 5213 NumberOfCodeBlocks, 5213 NumberOfCodeBlocksAsserted, 86 NumberOfCheckSat, 5127 ConstructedInterpolants, 0 QuantifiedInterpolants, 8688048 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 86 InterpolantComputations, 36 PerfectInterpolantSequences, 618/2070 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/tree_stack_true-valid-memsafety_false-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_13-28-16-550.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/tree_stack_true-valid-memsafety_false-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_13-28-16-550.csv Completed graceful shutdown