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-ext-properties/960521-1_1_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 23:12:01,023 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 23:12:01,024 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 23:12:01,038 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 23:12:01,039 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 23:12:01,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 23:12:01,041 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 23:12:01,042 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 23:12:01,044 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 23:12:01,045 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 23:12:01,046 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 23:12:01,046 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 23:12:01,047 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 23:12:01,048 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 23:12:01,048 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 23:12:01,050 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 23:12:01,052 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 23:12:01,053 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 23:12:01,054 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 23:12:01,055 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 23:12:01,056 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 23:12:01,057 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 23:12:01,057 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 23:12:01,058 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 23:12:01,058 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 23:12:01,059 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 23:12:01,059 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 23:12:01,060 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 23:12:01,060 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 23:12:01,061 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 23:12:01,061 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 23:12:01,061 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 [2018-04-12 23:12:01,071 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 23:12:01,071 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 23:12:01,072 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 23:12:01,072 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 23:12:01,073 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 23:12:01,073 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 23:12:01,073 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 23:12:01,073 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 23:12:01,073 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 23:12:01,073 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 23:12:01,074 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 23:12:01,074 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 23:12:01,074 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 23:12:01,074 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 23:12:01,074 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 23:12:01,074 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 23:12:01,074 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 23:12:01,075 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 23:12:01,075 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 23:12:01,075 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 23:12:01,075 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 23:12:01,075 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 [2018-04-12 23:12:01,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 23:12:01,118 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 23:12:01,122 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 23:12:01,124 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 23:12:01,124 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 23:12:01,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,451 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe41ea4c75 [2018-04-12 23:12:01,641 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 23:12:01,641 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 23:12:01,641 INFO L168 CDTParser]: Scanning 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,651 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 23:12:01,651 INFO L215 ultiparseSymbolTable]: [2018-04-12 23:12:01,651 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 23:12:01,651 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_f___________false_valid_deref_i__foo ('foo') in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,652 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,652 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 23:12:01,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____uint8_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____key_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____clockid_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____daddr_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____clock_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__quad_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__fsid_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_int16_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_int8_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__clockid_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__loff_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____u_int in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__uint in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__suseconds_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__fd_mask in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__wchar_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____useconds_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____ino64_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_long in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____uid_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____ino_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____fsid_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__nlink_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____sigset_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_cond_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____blkcnt_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_once_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____int16_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__dev_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_spinlock_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__id_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____u_long in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____nlink_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__timer_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_char in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__off_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_int32_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__blkcnt_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__ssize_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_rwlockattr_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____socklen_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____pthread_list_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____off_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____blkcnt64_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__fsfilcnt_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____uint64_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__int32_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_attr_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_barrier_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____u_quad_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____pid_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____sig_atomic_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____quad_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____fd_mask in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____ssize_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____u_char in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____off64_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____fsblkcnt64_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____id_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_mutexattr_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_int in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____gid_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____timer_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__fsblkcnt_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__div_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____int32_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__caddr_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____suseconds_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__time_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____u_short in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_mutex_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__lldiv_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__key_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__uid_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__mode_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__fd_set in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____rlim_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____intptr_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__int16_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____fsblkcnt_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__size_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__n in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_key_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_rwlock_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____uint32_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____mode_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__sigset_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__blksize_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__ulong in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__gid_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____int8_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_short in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__b in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__a in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__ino_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pid_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__clock_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__ldiv_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_barrierattr_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____swblk_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__register_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____caddr_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____fsfilcnt64_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____int64_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____dev_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_quad_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__ushort in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__daddr_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____time_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____loff_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__int8_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__int64_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_int64_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____fsfilcnt_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____rlim64_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____WAIT_STATUS in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____qaddr_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_condattr_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____uint16_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____blksize_t in 960521-1_1_false-valid-deref.i [2018-04-12 23:12:01,676 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe41ea4c75 [2018-04-12 23:12:01,680 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 23:12:01,681 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 23:12:01,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 23:12:01,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 23:12:01,686 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 23:12:01,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 11:12:01" (1/1) ... [2018-04-12 23:12:01,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7daa5617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:12:01, skipping insertion in model container [2018-04-12 23:12:01,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 11:12:01" (1/1) ... [2018-04-12 23:12:01,702 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 23:12:01,727 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 23:12:01,859 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 23:12:01,894 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 23:12:01,900 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 23:12:01,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:12:01 WrapperNode [2018-04-12 23:12:01,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 23:12:01,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 23:12:01,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 23:12:01,950 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 23:12:01,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:12:01" (1/1) ... [2018-04-12 23:12:01,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:12:01" (1/1) ... [2018-04-12 23:12:01,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:12:01" (1/1) ... [2018-04-12 23:12:01,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:12:01" (1/1) ... [2018-04-12 23:12:01,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:12:01" (1/1) ... [2018-04-12 23:12:01,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:12:01" (1/1) ... [2018-04-12 23:12:01,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:12:01" (1/1) ... [2018-04-12 23:12:01,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 23:12:01,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 23:12:01,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 23:12:01,992 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 23:12:01,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:12:01" (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 [2018-04-12 23:12:02,091 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 23:12:02,092 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 23:12:02,092 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f___________false_valid_deref_i__foo [2018-04-12 23:12:02,092 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 23:12:02,092 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-12 23:12:02,092 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 23:12:02,092 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 23:12:02,092 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 23:12:02,093 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 23:12:02,093 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 23:12:02,093 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 23:12:02,093 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 23:12:02,093 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 23:12:02,093 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 23:12:02,093 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 23:12:02,093 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 23:12:02,093 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 23:12:02,094 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 23:12:02,094 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 23:12:02,094 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 23:12:02,094 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 23:12:02,094 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 23:12:02,094 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 23:12:02,094 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 23:12:02,094 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 23:12:02,094 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 23:12:02,095 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 23:12:02,095 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 23:12:02,095 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 23:12:02,095 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 23:12:02,095 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 23:12:02,095 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 23:12:02,095 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 23:12:02,095 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 23:12:02,095 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 23:12:02,096 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 23:12:02,096 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 23:12:02,096 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 23:12:02,096 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 23:12:02,096 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 23:12:02,096 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 23:12:02,096 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 23:12:02,096 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 23:12:02,096 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 23:12:02,097 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 23:12:02,097 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 23:12:02,097 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 23:12:02,097 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 23:12:02,097 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 23:12:02,097 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 23:12:02,097 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 23:12:02,097 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 23:12:02,097 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 23:12:02,097 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 23:12:02,098 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 23:12:02,098 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 23:12:02,098 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 23:12:02,098 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 23:12:02,098 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 23:12:02,098 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 23:12:02,098 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 23:12:02,098 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 23:12:02,098 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 23:12:02,098 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 23:12:02,098 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 23:12:02,099 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 23:12:02,099 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 23:12:02,099 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 23:12:02,099 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 23:12:02,099 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-12 23:12:02,099 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 23:12:02,099 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 23:12:02,099 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 23:12:02,099 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 23:12:02,099 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 23:12:02,099 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 23:12:02,100 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 23:12:02,101 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 23:12:02,101 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 23:12:02,101 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 23:12:02,101 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 23:12:02,101 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 23:12:02,101 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 23:12:02,101 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 23:12:02,101 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 23:12:02,101 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 23:12:02,101 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 23:12:02,101 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 23:12:02,102 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 23:12:02,102 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 23:12:02,102 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_f___________false_valid_deref_i__foo [2018-04-12 23:12:02,102 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 23:12:02,102 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 23:12:02,102 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 23:12:02,102 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 23:12:02,102 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 23:12:02,102 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 23:12:02,103 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 23:12:02,103 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 23:12:02,404 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 23:12:02,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 11:12:02 BoogieIcfgContainer [2018-04-12 23:12:02,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 23:12:02,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 23:12:02,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 23:12:02,407 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 23:12:02,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 11:12:01" (1/3) ... [2018-04-12 23:12:02,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac2162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 11:12:02, skipping insertion in model container [2018-04-12 23:12:02,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:12:01" (2/3) ... [2018-04-12 23:12:02,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac2162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 11:12:02, skipping insertion in model container [2018-04-12 23:12:02,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 11:12:02" (3/3) ... [2018-04-12 23:12:02,409 INFO L107 eAbstractionObserver]: Analyzing ICFG 960521-1_1_false-valid-deref.i [2018-04-12 23:12:02,417 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 23:12:02,424 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-04-12 23:12:02,449 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 23:12:02,449 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 23:12:02,449 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 23:12:02,449 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 23:12:02,449 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 23:12:02,449 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 23:12:02,449 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 23:12:02,450 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 23:12:02,450 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 23:12:02,450 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 23:12:02,459 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-04-12 23:12:02,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-12 23:12:02,467 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:12:02,467 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:12:02,467 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-12 23:12:02,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1262873826, now seen corresponding path program 1 times [2018-04-12 23:12:02,504 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:12:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:12:02,538 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:12:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:02,564 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:12:02,564 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 23:12:02,565 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:12:02,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:02,566 INFO L182 omatonBuilderFactory]: Interpolants [67#true, 68#false] [2018-04-12 23:12:02,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:02,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-12 23:12:02,578 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-12 23:12:02,579 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-12 23:12:02,581 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 2 states. [2018-04-12 23:12:02,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:12:02,596 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2018-04-12 23:12:02,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-12 23:12:02,597 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-04-12 23:12:02,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:12:02,604 INFO L225 Difference]: With dead ends: 64 [2018-04-12 23:12:02,604 INFO L226 Difference]: Without dead ends: 61 [2018-04-12 23:12:02,606 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 [2018-04-12 23:12:02,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-04-12 23:12:02,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-04-12 23:12:02,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-04-12 23:12:02,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2018-04-12 23:12:02,634 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 12 [2018-04-12 23:12:02,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:12:02,634 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2018-04-12 23:12:02,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-12 23:12:02,634 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2018-04-12 23:12:02,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 23:12:02,635 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:12:02,635 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:12:02,635 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-12 23:12:02,635 INFO L82 PathProgramCache]: Analyzing trace with hash 40666728, now seen corresponding path program 1 times [2018-04-12 23:12:02,636 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:12:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:12:02,658 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:12:02,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:02,697 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:12:02,697 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 23:12:02,697 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:12:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:02,698 INFO L182 omatonBuilderFactory]: Interpolants [194#true, 195#false, 196#(= 1 (select |#valid| |main_#t~malloc5.base|)), 197#(= 1 (select |#valid| |main_#t~post6.base|))] [2018-04-12 23:12:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:02,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 23:12:02,699 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 23:12:02,699 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 23:12:02,700 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 4 states. [2018-04-12 23:12:02,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:12:02,760 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2018-04-12 23:12:02,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 23:12:02,761 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 23:12:02,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:12:02,761 INFO L225 Difference]: With dead ends: 60 [2018-04-12 23:12:02,761 INFO L226 Difference]: Without dead ends: 60 [2018-04-12 23:12:02,762 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 23:12:02,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-12 23:12:02,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-04-12 23:12:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-12 23:12:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-04-12 23:12:02,765 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 14 [2018-04-12 23:12:02,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:12:02,766 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-04-12 23:12:02,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 23:12:02,766 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-04-12 23:12:02,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 23:12:02,766 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:12:02,766 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:12:02,766 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-12 23:12:02,766 INFO L82 PathProgramCache]: Analyzing trace with hash 40666729, now seen corresponding path program 1 times [2018-04-12 23:12:02,767 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:12:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:12:02,779 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:12:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:02,825 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:12:02,825 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 23:12:02,825 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:12:02,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:02,826 INFO L182 omatonBuilderFactory]: Interpolants [320#true, 321#false, 322#(<= 1 ~__U_MULTI_f___________false_valid_deref_i__n~0), 323#(and (= 0 |main_#t~malloc5.offset|) (<= 4 (select |#length| |main_#t~malloc5.base|))), 324#(and (<= 4 (select |#length| |main_#t~post6.base|)) (= |main_#t~post6.offset| 0))] [2018-04-12 23:12:02,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:02,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 23:12:02,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 23:12:02,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 23:12:02,827 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 5 states. [2018-04-12 23:12:02,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:12:02,885 INFO L93 Difference]: Finished difference Result 59 states and 62 transitions. [2018-04-12 23:12:02,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 23:12:02,887 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 23:12:02,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:12:02,888 INFO L225 Difference]: With dead ends: 59 [2018-04-12 23:12:02,888 INFO L226 Difference]: Without dead ends: 59 [2018-04-12 23:12:02,888 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 [2018-04-12 23:12:02,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-12 23:12:02,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-04-12 23:12:02,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-12 23:12:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2018-04-12 23:12:02,893 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 14 [2018-04-12 23:12:02,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:12:02,894 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2018-04-12 23:12:02,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 23:12:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2018-04-12 23:12:02,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 23:12:02,895 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:12:02,895 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:12:02,895 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-12 23:12:02,895 INFO L82 PathProgramCache]: Analyzing trace with hash 2072410647, now seen corresponding path program 1 times [2018-04-12 23:12:02,896 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:12:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:12:02,912 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:12:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:02,944 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:12:02,945 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 23:12:02,945 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:12:02,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:02,945 INFO L182 omatonBuilderFactory]: Interpolants [448#false, 449#(= 1 (select |#valid| |main_#t~malloc4.base|)), 450#(= 1 (select |#valid| ~__U_MULTI_f___________false_valid_deref_i__a~0.base)), 447#true] [2018-04-12 23:12:02,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:02,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 23:12:02,946 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 23:12:02,946 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 23:12:02,946 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 4 states. [2018-04-12 23:12:03,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:12:03,000 INFO L93 Difference]: Finished difference Result 56 states and 59 transitions. [2018-04-12 23:12:03,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 23:12:03,001 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-12 23:12:03,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:12:03,002 INFO L225 Difference]: With dead ends: 56 [2018-04-12 23:12:03,002 INFO L226 Difference]: Without dead ends: 56 [2018-04-12 23:12:03,002 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 23:12:03,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-12 23:12:03,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-04-12 23:12:03,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-12 23:12:03,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2018-04-12 23:12:03,006 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 20 [2018-04-12 23:12:03,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:12:03,007 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2018-04-12 23:12:03,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 23:12:03,007 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2018-04-12 23:12:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 23:12:03,007 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:12:03,008 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:12:03,008 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-12 23:12:03,008 INFO L82 PathProgramCache]: Analyzing trace with hash 2072410648, now seen corresponding path program 1 times [2018-04-12 23:12:03,009 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:12:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:12:03,020 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:12:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:03,094 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:12:03,094 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 23:12:03,094 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:12:03,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:03,094 INFO L182 omatonBuilderFactory]: Interpolants [565#true, 566#false, 567#(<= 1 ~__U_MULTI_f___________false_valid_deref_i__n~0), 568#(and (= (* 4 ~__U_MULTI_f___________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc4.base|)) (<= 1 ~__U_MULTI_f___________false_valid_deref_i__n~0) (= 0 |main_#t~malloc4.offset|)), 569#(and (= (* 4 ~__U_MULTI_f___________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f___________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f___________false_valid_deref_i__a~0.offset 0) (<= 1 ~__U_MULTI_f___________false_valid_deref_i__n~0)), 570#(and (= __U_MULTI_f___________false_valid_deref_i__foo_~i~0 0) (= (* 4 ~__U_MULTI_f___________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f___________false_valid_deref_i__a~0.base)) (= ~__U_MULTI_f___________false_valid_deref_i__a~0.offset 0) (<= 1 ~__U_MULTI_f___________false_valid_deref_i__n~0)), 571#(and (<= 4 (select |#length| ~__U_MULTI_f___________false_valid_deref_i__a~0.base)) (= __U_MULTI_f___________false_valid_deref_i__foo_~i~0 0) (= ~__U_MULTI_f___________false_valid_deref_i__a~0.offset 0))] [2018-04-12 23:12:03,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:03,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 23:12:03,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 23:12:03,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-04-12 23:12:03,096 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 7 states. [2018-04-12 23:12:03,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:12:03,181 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2018-04-12 23:12:03,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 23:12:03,184 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-12 23:12:03,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:12:03,186 INFO L225 Difference]: With dead ends: 66 [2018-04-12 23:12:03,186 INFO L226 Difference]: Without dead ends: 66 [2018-04-12 23:12:03,186 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-04-12 23:12:03,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-12 23:12:03,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 57. [2018-04-12 23:12:03,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-12 23:12:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2018-04-12 23:12:03,189 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 20 [2018-04-12 23:12:03,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:12:03,189 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2018-04-12 23:12:03,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 23:12:03,190 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2018-04-12 23:12:03,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 23:12:03,190 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:12:03,190 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] [2018-04-12 23:12:03,190 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-12 23:12:03,190 INFO L82 PathProgramCache]: Analyzing trace with hash 17902319, now seen corresponding path program 1 times [2018-04-12 23:12:03,191 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:12:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:12:03,201 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:12:03,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:03,250 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 23:12:03,251 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-12 23:12:03,251 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:12:03,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:03,251 INFO L182 omatonBuilderFactory]: Interpolants [697#true, 698#false, 699#(<= ~__U_MULTI_f___________false_valid_deref_i__n~0 1), 700#(and (<= ~__U_MULTI_f___________false_valid_deref_i__n~0 1) (= 0 |main_#t~malloc4.offset|)), 701#(and (<= ~__U_MULTI_f___________false_valid_deref_i__n~0 1) (= ~__U_MULTI_f___________false_valid_deref_i__a~0.offset 0)), 702#(and (= ~__U_MULTI_f___________false_valid_deref_i__a~0.offset 0) (<= (* 4 ~__U_MULTI_f___________false_valid_deref_i__n~0) (+ ~__U_MULTI_f___________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f___________false_valid_deref_i__foo_~i~0) 4))), 703#(and (<= (* 4 ~__U_MULTI_f___________false_valid_deref_i__n~0) (+ ~__U_MULTI_f___________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f___________false_valid_deref_i__foo_~i~0))) (= ~__U_MULTI_f___________false_valid_deref_i__a~0.offset 0))] [2018-04-12 23:12:03,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:03,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 23:12:03,252 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 23:12:03,252 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-04-12 23:12:03,252 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand 7 states. [2018-04-12 23:12:03,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:12:03,350 INFO L93 Difference]: Finished difference Result 102 states and 106 transitions. [2018-04-12 23:12:03,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 23:12:03,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-04-12 23:12:03,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:12:03,351 INFO L225 Difference]: With dead ends: 102 [2018-04-12 23:12:03,351 INFO L226 Difference]: Without dead ends: 102 [2018-04-12 23:12:03,351 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-04-12 23:12:03,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-04-12 23:12:03,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 79. [2018-04-12 23:12:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-12 23:12:03,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2018-04-12 23:12:03,354 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 24 [2018-04-12 23:12:03,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:12:03,354 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2018-04-12 23:12:03,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 23:12:03,355 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2018-04-12 23:12:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 23:12:03,355 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:12:03,355 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:12:03,355 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-12 23:12:03,355 INFO L82 PathProgramCache]: Analyzing trace with hash -2080802656, now seen corresponding path program 1 times [2018-04-12 23:12:03,356 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:12:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:12:03,366 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:12:03,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:03,479 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 23:12:03,479 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-12 23:12:03,479 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:12:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:03,480 INFO L182 omatonBuilderFactory]: Interpolants [896#(and (= (* 4 ~__U_MULTI_f___________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f___________false_valid_deref_i__a~0.base)) (<= 2 ~__U_MULTI_f___________false_valid_deref_i__n~0) (= ~__U_MULTI_f___________false_valid_deref_i__a~0.offset 0)), 897#(and (= __U_MULTI_f___________false_valid_deref_i__foo_~i~0 0) (= (* 4 ~__U_MULTI_f___________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f___________false_valid_deref_i__a~0.base)) (<= 2 ~__U_MULTI_f___________false_valid_deref_i__n~0) (= ~__U_MULTI_f___________false_valid_deref_i__a~0.offset 0)), 898#(and (<= (+ __U_MULTI_f___________false_valid_deref_i__foo_~i~0 1) ~__U_MULTI_f___________false_valid_deref_i__n~0) (= (* 4 ~__U_MULTI_f___________false_valid_deref_i__n~0) (select |#length| ~__U_MULTI_f___________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f___________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f___________false_valid_deref_i__foo_~i~0))) (= ~__U_MULTI_f___________false_valid_deref_i__a~0.offset 0)), 899#(and (<= (+ (* 4 __U_MULTI_f___________false_valid_deref_i__foo_~i~0) 4) (select |#length| ~__U_MULTI_f___________false_valid_deref_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f___________false_valid_deref_i__a~0.offset (* 4 __U_MULTI_f___________false_valid_deref_i__foo_~i~0))) (= ~__U_MULTI_f___________false_valid_deref_i__a~0.offset 0)), 891#true, 892#false, 893#(<= 1 ~__U_MULTI_f___________false_valid_deref_i__n~0), 894#(<= 2 ~__U_MULTI_f___________false_valid_deref_i__n~0), 895#(and (<= 2 ~__U_MULTI_f___________false_valid_deref_i__n~0) (= (* 4 ~__U_MULTI_f___________false_valid_deref_i__n~0) (select |#length| |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|))] [2018-04-12 23:12:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:03,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 23:12:03,480 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 23:12:03,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-04-12 23:12:03,481 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 9 states. [2018-04-12 23:12:03,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:12:03,661 INFO L93 Difference]: Finished difference Result 121 states and 126 transitions. [2018-04-12 23:12:03,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 23:12:03,662 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-04-12 23:12:03,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:12:03,663 INFO L225 Difference]: With dead ends: 121 [2018-04-12 23:12:03,663 INFO L226 Difference]: Without dead ends: 121 [2018-04-12 23:12:03,663 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-04-12 23:12:03,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-04-12 23:12:03,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 85. [2018-04-12 23:12:03,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-04-12 23:12:03,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions. [2018-04-12 23:12:03,670 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 27 [2018-04-12 23:12:03,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:12:03,671 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions. [2018-04-12 23:12:03,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 23:12:03,671 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2018-04-12 23:12:03,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 23:12:03,671 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:12:03,671 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:12:03,672 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-12 23:12:03,672 INFO L82 PathProgramCache]: Analyzing trace with hash -370249796, now seen corresponding path program 1 times [2018-04-12 23:12:03,672 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:12:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:12:03,683 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:12:03,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 23:12:03,701 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:12:03,701 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 23:12:03,702 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:12:03,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 23:12:03,702 INFO L182 omatonBuilderFactory]: Interpolants [1108#true, 1109#false, 1110#(= 1 (select |#valid| |main_#t~malloc5.base|)), 1111#(= 1 (select |#valid| ~__U_MULTI_f___________false_valid_deref_i__b~0.base))] [2018-04-12 23:12:03,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 23:12:03,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 23:12:03,702 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 23:12:03,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 23:12:03,703 INFO L87 Difference]: Start difference. First operand 85 states and 89 transitions. Second operand 4 states. [2018-04-12 23:12:03,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:12:03,738 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2018-04-12 23:12:03,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 23:12:03,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-04-12 23:12:03,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:12:03,739 INFO L225 Difference]: With dead ends: 83 [2018-04-12 23:12:03,739 INFO L226 Difference]: Without dead ends: 83 [2018-04-12 23:12:03,739 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 23:12:03,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-12 23:12:03,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-04-12 23:12:03,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-04-12 23:12:03,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2018-04-12 23:12:03,743 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 29 [2018-04-12 23:12:03,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:12:03,744 INFO L459 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2018-04-12 23:12:03,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 23:12:03,744 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2018-04-12 23:12:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 23:12:03,744 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:12:03,744 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:12:03,744 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-12 23:12:03,744 INFO L82 PathProgramCache]: Analyzing trace with hash -370249795, now seen corresponding path program 1 times [2018-04-12 23:12:03,745 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:12:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-12 23:12:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-12 23:12:03,783 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-12 23:12:03,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 11:12:03 BoogieIcfgContainer [2018-04-12 23:12:03,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 23:12:03,809 INFO L168 Benchmark]: Toolchain (without parser) took 2128.64 ms. Allocated memory was 410.5 MB in the beginning and 644.9 MB in the end (delta: 234.4 MB). Free memory was 346.3 MB in the beginning and 521.4 MB in the end (delta: -175.1 MB). Peak memory consumption was 59.3 MB. Max. memory is 5.3 GB. [2018-04-12 23:12:03,810 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 410.5 MB. Free memory is still 373.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 23:12:03,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.01 ms. Allocated memory is still 410.5 MB. Free memory was 346.3 MB in the beginning and 321.2 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-12 23:12:03,811 INFO L168 Benchmark]: Boogie Preprocessor took 41.30 ms. Allocated memory is still 410.5 MB. Free memory was 321.2 MB in the beginning and 319.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-12 23:12:03,812 INFO L168 Benchmark]: RCFGBuilder took 412.71 ms. Allocated memory was 410.5 MB in the beginning and 625.0 MB in the end (delta: 214.4 MB). Free memory was 319.9 MB in the beginning and 562.1 MB in the end (delta: -242.2 MB). Peak memory consumption was 24.3 MB. Max. memory is 5.3 GB. [2018-04-12 23:12:03,812 INFO L168 Benchmark]: TraceAbstraction took 1403.83 ms. Allocated memory was 625.0 MB in the beginning and 644.9 MB in the end (delta: 19.9 MB). Free memory was 560.4 MB in the beginning and 521.4 MB in the end (delta: 39.1 MB). Peak memory consumption was 59.0 MB. Max. memory is 5.3 GB. [2018-04-12 23:12:03,814 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 410.5 MB. Free memory is still 373.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 268.01 ms. Allocated memory is still 410.5 MB. Free memory was 346.3 MB in the beginning and 321.2 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 41.30 ms. Allocated memory is still 410.5 MB. Free memory was 321.2 MB in the beginning and 319.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 412.71 ms. Allocated memory was 410.5 MB in the beginning and 625.0 MB in the end (delta: 214.4 MB). Free memory was 319.9 MB in the beginning and 562.1 MB in the end (delta: -242.2 MB). Peak memory consumption was 24.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1403.83 ms. Allocated memory was 625.0 MB in the beginning and 644.9 MB in the end (delta: 19.9 MB). Free memory was 560.4 MB in the beginning and 521.4 MB in the end (delta: 39.1 MB). Peak memory consumption was 59.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 640]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L619] int *a, *b; [L619] int *a, *b; [L620] int n; VAL [\old(a)=9, \old(a)=5, \old(a)=11, \old(a)=12, \old(n)=8, a={0:0}, a={0:0}, n=0] [L632] n = 1 VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={0:0}, a={0:0}, n=1] [L633] COND FALSE !(__VERIFIER_nondet_int() && n < 30) [L636] EXPR, FCALL malloc(n * sizeof(*a)) VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={0:0}, a={0:0}, malloc(n * sizeof(*a))={7:0}, n=1] [L636] a = malloc(n * sizeof(*a)) VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={0:0}, a={7:0}, malloc(n * sizeof(*a))={7:0}, n=1] [L637] EXPR, FCALL malloc(n * sizeof(*b)) VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={7:0}, a={0:0}, malloc(n * sizeof(*a))={7:0}, malloc(n * sizeof(*b))={10:0}, n=1] [L637] b = malloc(n * sizeof(*b)) [L638] EXPR b++ [L638] EXPR b++ VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={7:0}, a={10:4}, b++={10:0}, malloc(n * sizeof(*a))={7:0}, malloc(n * sizeof(*b))={10:0}, n=1] [L638] FCALL *b++ = 0 VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={10:4}, a={7:0}, b++={10:0}, malloc(n * sizeof(*a))={7:0}, malloc(n * sizeof(*b))={10:0}, n=1] [L639] CALL foo() VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={7:0}, a={10:4}, n=1] [L624] int i; [L625] i = 0 VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={10:4}, a={7:0}, i=0, n=1] [L625] COND TRUE i < n VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={7:0}, a={10:4}, i=0, n=1] [L626] FCALL a[i] = n VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={10:4}, a={7:0}, i=0, n=1] [L625] i++ [L625] i++ [L625] COND FALSE !(i < n) VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={10:4}, a={7:0}, i=1, n=1] [L627] i = 0 VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={7:0}, a={10:4}, i=0, n=1] [L627] COND FALSE, RET !(i < n - 1) VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={7:0}, a={10:4}, i=0, n=1] [L639] foo() VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={10:4}, a={7:0}, malloc(n * sizeof(*a))={7:0}, malloc(n * sizeof(*b))={10:0}, n=1] [L640] FCALL b[-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 64 locations, 17 error locations. UNSAFE Result, 1.3s OverallTime, 9 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 404 SDtfs, 569 SDslu, 535 SDs, 0 SdLazy, 531 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 6/11 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 68 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 16103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 6/11 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/960521-1_1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_23-12-03-821.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_23-12-03-821.csv Received shutdown request...