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/list-properties/simple_true-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 14:29:05,101 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 14:29:05,103 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 14:29:05,116 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 14:29:05,116 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 14:29:05,117 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 14:29:05,118 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 14:29:05,120 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 14:29:05,121 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 14:29:05,122 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 14:29:05,123 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 14:29:05,123 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 14:29:05,124 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 14:29:05,125 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 14:29:05,125 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 14:29:05,127 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 14:29:05,128 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 14:29:05,130 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 14:29:05,131 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 14:29:05,132 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 14:29:05,133 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 14:29:05,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 14:29:05,134 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 14:29:05,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 14:29:05,135 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 14:29:05,136 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 14:29:05,136 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 14:29:05,137 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 14:29:05,137 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 14:29:05,137 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 14:29:05,138 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 14:29:05,138 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 14:29:05,158 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 14:29:05,158 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 14:29:05,159 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 14:29:05,159 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 14:29:05,159 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 14:29:05,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 14:29:05,160 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 14:29:05,160 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 14:29:05,160 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 14:29:05,160 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 14:29:05,160 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 14:29:05,160 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 14:29:05,161 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 14:29:05,161 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 14:29:05,161 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 14:29:05,161 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 14:29:05,161 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 14:29:05,161 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 14:29:05,162 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 14:29:05,162 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 14:29:05,162 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 14:29:05,162 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 14:29:05,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 14:29:05,200 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 14:29:05,204 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 14:29:05,205 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 14:29:05,205 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 14:29:05,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,567 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG798d11e94 [2018-04-11 14:29:05,686 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 14:29:05,687 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 14:29:05,687 INFO L168 CDTParser]: Scanning simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,696 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 14:29:05,696 INFO L215 ultiparseSymbolTable]: [2018-04-11 14:29:05,696 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 14:29:05,696 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,696 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__exit ('exit') in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,696 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 14:29:05,697 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____id_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,697 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__int16_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,697 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____dev_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,697 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsblkcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,697 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fd_set in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,697 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_char in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,697 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_key_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,697 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____off64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,698 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_rwlock_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,698 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_quad_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,698 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fsblkcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,698 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uint32_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,698 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____rlim64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,698 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____blksize_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,698 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__blksize_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,698 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____qaddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,698 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__caddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,699 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int32_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,699 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____int32_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,699 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ulong in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,699 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_rwlockattr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,699 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____caddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,699 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_short in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,699 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__key_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,699 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__clock_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,699 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__mode_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,699 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,700 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____ssize_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,700 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____quad_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,700 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,700 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____intptr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,700 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_long in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,700 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_quad_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,700 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__size_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,700 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__gid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_mutexattr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____ino_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____pid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____timer_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_short in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____int16_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____sigset_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____gid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,701 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____mode_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__quad_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____pthread_list_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____rlim_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__blkcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____clockid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_long in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsblkcnt64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__div_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,702 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_char in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____suseconds_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_cond_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int16_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__List in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__off_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_barrier_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__uid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____socklen_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,703 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__lldiv_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_attr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__nlink_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fd_mask in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__wchar_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__uint in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__loff_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____int64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int8_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,704 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__dev_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_once_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_condattr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_spinlock_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__id_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____daddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fsid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__timer_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____int8_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__clockid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____clock_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,705 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____loff_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ssize_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uint64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____blkcnt64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fd_mask in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____nlink_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____sig_atomic_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__int32_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__suseconds_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uint16_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__int8_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,706 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____ino64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____off_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ino_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fsfilcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__daddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____WAIT_STATUS in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____time_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__int64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsfilcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__sigset_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,707 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_barrierattr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____swblk_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____blkcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uint8_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____key_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ushort in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ldiv_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_int in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__time_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_mutex_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____useconds_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,708 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsfilcnt64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__register_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:05,752 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG798d11e94 [2018-04-11 14:29:05,755 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 14:29:05,756 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 14:29:05,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 14:29:05,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 14:29:05,761 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 14:29:05,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 02:29:05" (1/1) ... [2018-04-11 14:29:05,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c25e08e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:29:05, skipping insertion in model container [2018-04-11 14:29:05,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 02:29:05" (1/1) ... [2018-04-11 14:29:05,775 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 14:29:05,802 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 14:29:05,925 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 14:29:05,961 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 14:29:05,967 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-11 14:29:06,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:29:06 WrapperNode [2018-04-11 14:29:06,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 14:29:06,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 14:29:06,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 14:29:06,006 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 14:29:06,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:29:06" (1/1) ... [2018-04-11 14:29:06,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:29:06" (1/1) ... [2018-04-11 14:29:06,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:29:06" (1/1) ... [2018-04-11 14:29:06,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:29:06" (1/1) ... [2018-04-11 14:29:06,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:29:06" (1/1) ... [2018-04-11 14:29:06,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:29:06" (1/1) ... [2018-04-11 14:29:06,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:29:06" (1/1) ... [2018-04-11 14:29:06,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 14:29:06,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 14:29:06,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 14:29:06,049 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 14:29:06,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:29:06" (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 14:29:06,136 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 14:29:06,136 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 14:29:06,136 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__exit [2018-04-11 14:29:06,136 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 14:29:06,136 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 14:29:06,136 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 14:29:06,136 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 14:29:06,136 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 14:29:06,137 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 14:29:06,138 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 14:29:06,139 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__exit [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 14:29:06,140 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 14:29:06,141 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 14:29:06,142 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 14:29:06,143 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 14:29:06,404 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 14:29:06,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 02:29:06 BoogieIcfgContainer [2018-04-11 14:29:06,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 14:29:06,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 14:29:06,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 14:29:06,407 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 14:29:06,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 02:29:05" (1/3) ... [2018-04-11 14:29:06,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506c8938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 02:29:06, skipping insertion in model container [2018-04-11 14:29:06,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 02:29:06" (2/3) ... [2018-04-11 14:29:06,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506c8938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 02:29:06, skipping insertion in model container [2018-04-11 14:29:06,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 02:29:06" (3/3) ... [2018-04-11 14:29:06,410 INFO L107 eAbstractionObserver]: Analyzing ICFG simple_true-unreach-call_false-valid-memtrack.i [2018-04-11 14:29:06,418 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 14:29:06,427 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-11 14:29:06,451 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 14:29:06,451 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 14:29:06,451 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 14:29:06,451 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 14:29:06,451 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 14:29:06,451 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 14:29:06,451 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 14:29:06,452 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 14:29:06,452 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 14:29:06,452 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 14:29:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-04-11 14:29:06,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 14:29:06,467 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:29:06,468 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:29:06,468 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-11 14:29:06,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1368533979, now seen corresponding path program 1 times [2018-04-11 14:29:06,504 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:29:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:29:06,529 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:29:06,551 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 14:29:06,553 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:29:06,553 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 14:29:06,553 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:29:06,554 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 14:29:06,554 INFO L182 omatonBuilderFactory]: Interpolants [56#true, 57#false] [2018-04-11 14:29:06,554 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 14:29:06,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-11 14:29:06,562 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-11 14:29:06,562 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 14:29:06,564 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2018-04-11 14:29:06,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:29:06,579 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-04-11 14:29:06,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-11 14:29:06,580 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-04-11 14:29:06,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:29:06,587 INFO L225 Difference]: With dead ends: 53 [2018-04-11 14:29:06,587 INFO L226 Difference]: Without dead ends: 45 [2018-04-11 14:29:06,589 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 14:29:06,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-11 14:29:06,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-04-11 14:29:06,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-11 14:29:06,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-04-11 14:29:06,612 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 11 [2018-04-11 14:29:06,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:29:06,612 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-04-11 14:29:06,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-11 14:29:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-04-11 14:29:06,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 14:29:06,613 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:29:06,613 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:29:06,613 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-11 14:29:06,613 INFO L82 PathProgramCache]: Analyzing trace with hash -902022594, now seen corresponding path program 1 times [2018-04-11 14:29:06,614 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:29:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:29:06,626 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:29:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 14:29:06,669 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:29:06,669 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 14:29:06,669 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:29:06,670 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 14:29:06,670 INFO L182 omatonBuilderFactory]: Interpolants [160#(= 1 (select |#valid| main_~p~0.base)), 156#true, 157#false, 158#(= 1 (select |#valid| |main_#t~malloc0.base|)), 159#(= 1 (select |#valid| main_~a~0.base))] [2018-04-11 14:29:06,670 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 14:29:06,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 14:29:06,671 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 14:29:06,671 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 14:29:06,671 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 5 states. [2018-04-11 14:29:06,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:29:06,791 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-04-11 14:29:06,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 14:29:06,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-04-11 14:29:06,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:29:06,792 INFO L225 Difference]: With dead ends: 55 [2018-04-11 14:29:06,792 INFO L226 Difference]: Without dead ends: 55 [2018-04-11 14:29:06,792 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 14:29:06,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-11 14:29:06,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2018-04-11 14:29:06,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-11 14:29:06,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2018-04-11 14:29:06,795 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 13 [2018-04-11 14:29:06,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:29:06,795 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2018-04-11 14:29:06,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 14:29:06,795 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2018-04-11 14:29:06,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 14:29:06,796 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:29:06,796 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:29:06,796 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-11 14:29:06,796 INFO L82 PathProgramCache]: Analyzing trace with hash -902022593, now seen corresponding path program 1 times [2018-04-11 14:29:06,796 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:29:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:29:06,812 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:29:06,861 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 14:29:06,861 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:29:06,861 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 14:29:06,862 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:29:06,862 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 14:29:06,862 INFO L182 omatonBuilderFactory]: Interpolants [272#(and (= 8 (select |#length| main_~a~0.base)) (= 0 main_~a~0.offset)), 273#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 269#true, 270#false, 271#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|))] [2018-04-11 14:29:06,862 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 14:29:06,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 14:29:06,862 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 14:29:06,862 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 14:29:06,862 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 5 states. [2018-04-11 14:29:06,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:29:06,943 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2018-04-11 14:29:06,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 14:29:06,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-04-11 14:29:06,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:29:06,944 INFO L225 Difference]: With dead ends: 63 [2018-04-11 14:29:06,944 INFO L226 Difference]: Without dead ends: 63 [2018-04-11 14:29:06,944 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 14:29:06,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-04-11 14:29:06,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2018-04-11 14:29:06,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-11 14:29:06,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2018-04-11 14:29:06,947 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 13 [2018-04-11 14:29:06,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:29:06,947 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2018-04-11 14:29:06,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 14:29:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2018-04-11 14:29:06,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 14:29:06,948 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:29:06,948 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:29:06,948 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-11 14:29:06,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1180044518, now seen corresponding path program 1 times [2018-04-11 14:29:06,949 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:29:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:29:06,959 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:29:06,987 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 14:29:06,987 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:29:06,988 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 14:29:06,988 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:29:06,988 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 14:29:06,988 INFO L182 omatonBuilderFactory]: Interpolants [400#(not (= 0 |main_#t~malloc0.base|)), 401#(not (= 0 main_~a~0.base)), 402#(not (= 0 main_~p~0.base)), 398#true, 399#false] [2018-04-11 14:29:06,988 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 14:29:06,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 14:29:06,989 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 14:29:06,989 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 14:29:06,989 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand 5 states. [2018-04-11 14:29:07,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:29:07,043 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-04-11 14:29:07,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 14:29:07,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-04-11 14:29:07,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:29:07,044 INFO L225 Difference]: With dead ends: 60 [2018-04-11 14:29:07,044 INFO L226 Difference]: Without dead ends: 60 [2018-04-11 14:29:07,045 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 14:29:07,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-11 14:29:07,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2018-04-11 14:29:07,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-11 14:29:07,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-04-11 14:29:07,049 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 19 [2018-04-11 14:29:07,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:29:07,049 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-04-11 14:29:07,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 14:29:07,049 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-04-11 14:29:07,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 14:29:07,050 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:29:07,050 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:29:07,050 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-11 14:29:07,050 INFO L82 PathProgramCache]: Analyzing trace with hash 323310663, now seen corresponding path program 1 times [2018-04-11 14:29:07,051 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:29:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:29:07,061 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:29:07,104 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 14:29:07,104 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:29:07,104 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 14:29:07,104 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:29:07,105 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 14:29:07,105 INFO L182 omatonBuilderFactory]: Interpolants [528#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 529#(= 1 (select |#valid| |main_#t~mem3.base|)), 530#(= 1 (select |#valid| main_~p~0.base)), 524#true, 525#false, 526#(= 1 (select |#valid| |main_#t~malloc2.base|)), 527#(= 1 (select |#valid| main_~t~0.base))] [2018-04-11 14:29:07,105 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 14:29:07,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 14:29:07,105 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 14:29:07,105 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 14:29:07,105 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 7 states. [2018-04-11 14:29:07,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:29:07,252 INFO L93 Difference]: Finished difference Result 73 states and 75 transitions. [2018-04-11 14:29:07,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 14:29:07,254 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-04-11 14:29:07,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:29:07,255 INFO L225 Difference]: With dead ends: 73 [2018-04-11 14:29:07,255 INFO L226 Difference]: Without dead ends: 73 [2018-04-11 14:29:07,255 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-04-11 14:29:07,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-11 14:29:07,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 55. [2018-04-11 14:29:07,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-11 14:29:07,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2018-04-11 14:29:07,259 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 23 [2018-04-11 14:29:07,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:29:07,259 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2018-04-11 14:29:07,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 14:29:07,259 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2018-04-11 14:29:07,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 14:29:07,260 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:29:07,260 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 14:29:07,260 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-11 14:29:07,260 INFO L82 PathProgramCache]: Analyzing trace with hash 323310664, now seen corresponding path program 1 times [2018-04-11 14:29:07,261 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:29:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:29:07,270 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:29:07,332 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 14:29:07,332 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 14:29:07,332 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 14:29:07,332 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:29:07,332 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 14:29:07,332 INFO L182 omatonBuilderFactory]: Interpolants [672#(and (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|))), 673#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~t~0.offset)), 674#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 675#(and (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 |main_#t~mem3.offset|)), 676#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 670#true, 671#false] [2018-04-11 14:29:07,332 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 14:29:07,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 14:29:07,332 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 14:29:07,333 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 14:29:07,333 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 7 states. [2018-04-11 14:29:07,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:29:07,496 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2018-04-11 14:29:07,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 14:29:07,496 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-04-11 14:29:07,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:29:07,497 INFO L225 Difference]: With dead ends: 69 [2018-04-11 14:29:07,497 INFO L226 Difference]: Without dead ends: 69 [2018-04-11 14:29:07,497 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-04-11 14:29:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-04-11 14:29:07,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 39. [2018-04-11 14:29:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-11 14:29:07,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-04-11 14:29:07,499 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 23 [2018-04-11 14:29:07,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:29:07,499 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-04-11 14:29:07,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 14:29:07,499 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-04-11 14:29:07,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 14:29:07,500 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:29:07,500 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] [2018-04-11 14:29:07,500 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-11 14:29:07,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1258359112, now seen corresponding path program 1 times [2018-04-11 14:29:07,501 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:29:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 14:29:07,511 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 14:29:07,631 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 14:29:07,632 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 14:29:07,632 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-11 14:29:07,632 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 14:29:07,632 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 14:29:07,632 INFO L182 omatonBuilderFactory]: Interpolants [800#(= 0 |main_#t~malloc0.offset|), 801#(= 0 main_~a~0.offset), 802#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 803#(and (= 0 (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 804#(and (= 0 (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 805#(and (= 0 |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)), 806#(and (= main_~p~0.base 0) (= main_~p~0.offset 0)), 798#true, 799#false] [2018-04-11 14:29:07,632 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 14:29:07,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 14:29:07,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 14:29:07,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 14:29:07,633 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 9 states. [2018-04-11 14:29:07,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 14:29:07,801 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2018-04-11 14:29:07,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 14:29:07,802 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-04-11 14:29:07,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 14:29:07,802 INFO L225 Difference]: With dead ends: 64 [2018-04-11 14:29:07,802 INFO L226 Difference]: Without dead ends: 64 [2018-04-11 14:29:07,803 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2018-04-11 14:29:07,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-11 14:29:07,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 53. [2018-04-11 14:29:07,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-11 14:29:07,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2018-04-11 14:29:07,806 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 24 [2018-04-11 14:29:07,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 14:29:07,806 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2018-04-11 14:29:07,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 14:29:07,806 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-04-11 14:29:07,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 14:29:07,807 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 14:29:07,807 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] [2018-04-11 14:29:07,807 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-11 14:29:07,807 INFO L82 PathProgramCache]: Analyzing trace with hash 354425464, now seen corresponding path program 1 times [2018-04-11 14:29:07,808 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 14:29:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 14:29:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 14:29:07,840 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 14:29:07,848 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-11 14:29:07,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 02:29:07 BoogieIcfgContainer [2018-04-11 14:29:07,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 14:29:07,858 INFO L168 Benchmark]: Toolchain (without parser) took 2102.52 ms. Allocated memory was 395.8 MB in the beginning and 630.7 MB in the end (delta: 234.9 MB). Free memory was 327.2 MB in the beginning and 489.0 MB in the end (delta: -161.7 MB). Peak memory consumption was 73.1 MB. Max. memory is 5.3 GB. [2018-04-11 14:29:07,859 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 395.8 MB. Free memory is still 355.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 14:29:07,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.45 ms. Allocated memory is still 395.8 MB. Free memory was 325.9 MB in the beginning and 300.6 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 5.3 GB. [2018-04-11 14:29:07,859 INFO L168 Benchmark]: Boogie Preprocessor took 42.72 ms. Allocated memory is still 395.8 MB. Free memory was 300.6 MB in the beginning and 298.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 14:29:07,860 INFO L168 Benchmark]: RCFGBuilder took 355.93 ms. Allocated memory was 395.8 MB in the beginning and 600.8 MB in the end (delta: 205.0 MB). Free memory was 298.0 MB in the beginning and 536.6 MB in the end (delta: -238.6 MB). Peak memory consumption was 23.7 MB. Max. memory is 5.3 GB. [2018-04-11 14:29:07,860 INFO L168 Benchmark]: TraceAbstraction took 1452.63 ms. Allocated memory was 600.8 MB in the beginning and 630.7 MB in the end (delta: 29.9 MB). Free memory was 536.6 MB in the beginning and 489.0 MB in the end (delta: 47.7 MB). Peak memory consumption was 77.5 MB. Max. memory is 5.3 GB. [2018-04-11 14:29:07,861 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 395.8 MB. Free memory is still 355.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 248.45 ms. Allocated memory is still 395.8 MB. Free memory was 325.9 MB in the beginning and 300.6 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 42.72 ms. Allocated memory is still 395.8 MB. Free memory was 300.6 MB in the beginning and 298.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 355.93 ms. Allocated memory was 395.8 MB in the beginning and 600.8 MB in the end (delta: 205.0 MB). Free memory was 298.0 MB in the beginning and 536.6 MB in the end (delta: -238.6 MB). Peak memory consumption was 23.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1452.63 ms. Allocated memory was 600.8 MB in the beginning and 630.7 MB in the end (delta: 29.9 MB). Free memory was 536.6 MB in the beginning and 489.0 MB in the end (delta: 47.7 MB). Peak memory consumption was 77.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 626]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L627] EXPR, FCALL malloc(sizeof(struct node)) VAL [malloc(sizeof(struct node))={10:0}] [L627] List a = (List) malloc(sizeof(struct node)); VAL [a={10:0}, malloc(sizeof(struct node))={10:0}] [L628] COND FALSE !(a == 0) VAL [a={10:0}, malloc(sizeof(struct node))={10:0}] [L629] List t; [L630] List p = a; VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={10:0}] [L631] COND FALSE !(__VERIFIER_nondet_int()) [L638] FCALL p->h = 1 VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={10:0}] [L639] FCALL p->n = 0 VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={10:0}] [L640] p = a VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={10:0}] [L641] COND TRUE p!=0 VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={10:0}] [L642] EXPR, FCALL p->h VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={10:0}, p->h=1] [L642] COND FALSE !(p->h != 1) [L645] EXPR, FCALL p->n VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={10:0}, p->n={0:0}] [L645] p = p->n [L641] COND FALSE !(p!=0) VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={0:0}] [L647] return 0; VAL [\result=0, a={10:0}, malloc(sizeof(struct node))={10:0}, p={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 55 locations, 15 error locations. UNSAFE Result, 1.4s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 226 SDtfs, 629 SDslu, 384 SDs, 0 SdLazy, 471 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 7/9 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 74 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 11068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 7/9 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_14-29-07-866.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_14-29-07-866.csv Received shutdown request...