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/memory-alloca/c.03-alloca_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 13:50:42,567 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 13:50:42,569 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 13:50:42,581 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 13:50:42,581 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 13:50:42,582 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 13:50:42,583 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 13:50:42,584 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 13:50:42,586 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 13:50:42,587 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 13:50:42,587 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 13:50:42,588 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 13:50:42,588 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 13:50:42,589 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 13:50:42,590 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 13:50:42,592 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 13:50:42,593 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 13:50:42,595 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 13:50:42,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 13:50:42,597 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 13:50:42,598 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 13:50:42,598 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 13:50:42,599 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 13:50:42,600 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 13:50:42,600 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 13:50:42,601 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 13:50:42,602 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 13:50:42,602 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 13:50:42,602 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 13:50:42,603 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 13:50:42,603 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 13:50:42,603 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-11 13:50:42,625 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 13:50:42,625 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 13:50:42,626 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 13:50:42,626 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 13:50:42,626 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 13:50:42,626 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 13:50:42,626 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 13:50:42,627 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 13:50:42,627 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 13:50:42,627 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 13:50:42,627 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 13:50:42,627 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 13:50:42,627 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 13:50:42,627 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 13:50:42,627 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 13:50:42,627 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 13:50:42,627 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 13:50:42,628 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 13:50:42,628 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 13:50:42,628 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 13:50:42,628 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 13:50:42,628 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 13:50:42,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 13:50:42,664 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 13:50:42,667 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 13:50:42,668 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 13:50:42,668 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 13:50:42,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memory-alloca/c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:42,956 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG534501009 [2018-04-11 13:50:43,239 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 13:50:43,239 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 13:50:43,239 INFO L168 CDTParser]: Scanning c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,247 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 13:50:43,247 INFO L215 ultiparseSymbolTable]: [2018-04-11 13:50:43,247 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 13:50:43,247 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_64 ('__bswap_64') in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,248 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun ('test_fun') in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,248 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,248 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_32 ('__bswap_32') in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,248 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 13:50:43,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____int16_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____u_long in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_barrierattr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__clock_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__sigset_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____quad_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____off_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ulong in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_rwlockattr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_quad_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsid_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____syscall_slong_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____u_quad_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____ino_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____ino64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_barrier_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsblkcnt_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__int16_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__blksize_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__lldiv_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____blkcnt_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_rwlock_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__quad_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____pthread_list_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__uid_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____uint32_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_char in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__blkcnt_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_key_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_int16_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_cond_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__fsblkcnt_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____suseconds_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____clockid_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__dev_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__id_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_int in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__wchar_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____rlim_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____u_char in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__uint in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__nlink_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____uid_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____off64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____pid_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____sig_atomic_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____timer_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_mutexattr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__fd_mask in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____uint64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____gid_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__key_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____id_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_int32_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__timer_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____ssize_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__clockid_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____int32_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____syscall_ulong_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fd_mask in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_int8_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_short in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__off_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____nlink_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ldiv_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____blkcnt64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsfilcnt64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__int32_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__register_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsblkcnt64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_int64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pid_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__fsfilcnt_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ino_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,253 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ssize_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,253 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsword_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,253 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__int8_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,253 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__gid_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,253 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__size_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,253 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_mutex_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,253 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____mode_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,253 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_attr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,253 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____socklen_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,253 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_once_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,253 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____u_int in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,253 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____intptr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,254 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__time_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,254 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__div_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,254 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____useconds_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,254 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_condattr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,254 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____rlim64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,254 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____daddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,254 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_spinlock_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,254 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__mode_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,254 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__fd_set in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,254 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____sigset_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,254 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__caddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__loff_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____int64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ushort in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____key_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____uint8_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____caddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____time_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____WAIT_STATUS in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_long in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____blksize_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____dev_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsfilcnt_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____u_short in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__int64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__suseconds_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____qaddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____uint16_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__daddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____clock_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____loff_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____int8_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__fsid_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:43,270 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG534501009 [2018-04-11 13:50:43,273 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 13:50:43,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 13:50:43,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 13:50:43,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 13:50:43,279 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 13:50:43,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 01:50:43" (1/1) ... [2018-04-11 13:50:43,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27508201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:50:43, skipping insertion in model container [2018-04-11 13:50:43,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 01:50:43" (1/1) ... [2018-04-11 13:50:43,292 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 13:50:43,314 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 13:50:43,446 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 13:50:43,480 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 13:50:43,485 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 13:50:43,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:50:43 WrapperNode [2018-04-11 13:50:43,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 13:50:43,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 13:50:43,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 13:50:43,519 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 13:50:43,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:50:43" (1/1) ... [2018-04-11 13:50:43,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:50:43" (1/1) ... [2018-04-11 13:50:43,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:50:43" (1/1) ... [2018-04-11 13:50:43,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:50:43" (1/1) ... [2018-04-11 13:50:43,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:50:43" (1/1) ... [2018-04-11 13:50:43,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:50:43" (1/1) ... [2018-04-11 13:50:43,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:50:43" (1/1) ... [2018-04-11 13:50:43,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 13:50:43,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 13:50:43,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 13:50:43,561 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 13:50:43,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:50:43" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 13:50:43,655 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 13:50:43,656 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 13:50:43,656 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_32 [2018-04-11 13:50:43,656 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_64 [2018-04-11 13:50:43,656 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun [2018-04-11 13:50:43,656 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 13:50:43,656 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_32 [2018-04-11 13:50:43,656 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_64 [2018-04-11 13:50:43,656 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 13:50:43,656 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 13:50:43,657 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 13:50:43,657 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 13:50:43,657 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 13:50:43,657 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 13:50:43,657 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 13:50:43,657 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 13:50:43,657 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 13:50:43,657 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 13:50:43,657 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 13:50:43,658 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 13:50:43,658 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 13:50:43,658 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 13:50:43,658 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 13:50:43,658 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 13:50:43,658 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 13:50:43,658 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 13:50:43,658 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 13:50:43,658 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 13:50:43,659 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 13:50:43,659 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 13:50:43,659 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 13:50:43,659 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 13:50:43,659 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 13:50:43,659 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 13:50:43,659 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 13:50:43,659 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 13:50:43,660 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 13:50:43,660 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 13:50:43,660 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 13:50:43,660 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 13:50:43,660 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 13:50:43,660 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 13:50:43,660 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 13:50:43,660 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 13:50:43,661 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 13:50:43,661 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 13:50:43,661 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 13:50:43,661 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 13:50:43,661 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 13:50:43,661 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 13:50:43,661 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 13:50:43,661 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 13:50:43,661 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 13:50:43,662 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 13:50:43,662 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 13:50:43,662 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 13:50:43,662 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 13:50:43,662 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 13:50:43,662 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 13:50:43,662 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 13:50:43,662 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 13:50:43,662 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 13:50:43,662 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 13:50:43,663 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 13:50:43,663 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 13:50:43,663 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 13:50:43,663 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 13:50:43,663 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 13:50:43,663 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 13:50:43,663 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 13:50:43,663 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 13:50:43,663 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 13:50:43,663 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 13:50:43,664 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 13:50:43,664 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 13:50:43,664 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 13:50:43,664 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 13:50:43,664 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 13:50:43,664 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 13:50:43,664 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 13:50:43,664 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 13:50:43,664 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 13:50:43,664 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 13:50:43,665 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 13:50:43,665 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 13:50:43,665 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 13:50:43,665 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 13:50:43,665 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 13:50:43,665 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 13:50:43,665 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 13:50:43,665 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 13:50:43,665 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 13:50:43,665 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 13:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 13:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 13:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 13:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 13:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 13:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 13:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 13:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 13:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 13:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 13:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 13:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 13:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 13:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 13:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 13:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 13:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun [2018-04-11 13:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 13:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 13:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 13:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 13:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 13:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 13:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 13:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 13:50:43,994 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 13:50:43,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 01:50:43 BoogieIcfgContainer [2018-04-11 13:50:43,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 13:50:43,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 13:50:43,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 13:50:43,997 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 13:50:43,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 01:50:43" (1/3) ... [2018-04-11 13:50:43,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227b35a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 01:50:43, skipping insertion in model container [2018-04-11 13:50:43,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:50:43" (2/3) ... [2018-04-11 13:50:43,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227b35a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 01:50:43, skipping insertion in model container [2018-04-11 13:50:43,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 01:50:43" (3/3) ... [2018-04-11 13:50:44,000 INFO L107 eAbstractionObserver]: Analyzing ICFG c.03-alloca_true-valid-memsafety.i [2018-04-11 13:50:44,005 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 13:50:44,012 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2018-04-11 13:50:44,045 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 13:50:44,046 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 13:50:44,046 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 13:50:44,046 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 13:50:44,046 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 13:50:44,046 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 13:50:44,046 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 13:50:44,046 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 13:50:44,047 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 13:50:44,047 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 13:50:44,058 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2018-04-11 13:50:44,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 13:50:44,064 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:50:44,065 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:50:44,065 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 13:50:44,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1184675155, now seen corresponding path program 1 times [2018-04-11 13:50:44,104 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:50:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:50:44,154 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:50:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,264 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:50:44,264 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:50:44,265 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:50:44,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,266 INFO L182 omatonBuilderFactory]: Interpolants [87#true, 88#false, 89#(= (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 1), 90#(= (select |#valid| __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~x_ref~0.base) 1)] [2018-04-11 13:50:44,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:50:44,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:50:44,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:50:44,282 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 4 states. [2018-04-11 13:50:44,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:50:44,370 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2018-04-11 13:50:44,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 13:50:44,371 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-04-11 13:50:44,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:50:44,378 INFO L225 Difference]: With dead ends: 79 [2018-04-11 13:50:44,378 INFO L226 Difference]: Without dead ends: 76 [2018-04-11 13:50:44,380 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:50:44,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-04-11 13:50:44,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-04-11 13:50:44,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-11 13:50:44,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 77 transitions. [2018-04-11 13:50:44,403 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 77 transitions. Word has length 17 [2018-04-11 13:50:44,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:50:44,403 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 77 transitions. [2018-04-11 13:50:44,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:50:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2018-04-11 13:50:44,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 13:50:44,403 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:50:44,403 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:50:44,404 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 13:50:44,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1184675154, now seen corresponding path program 1 times [2018-04-11 13:50:44,404 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:50:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:50:44,420 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:50:44,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,491 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:50:44,491 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:50:44,491 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:50:44,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,492 INFO L182 omatonBuilderFactory]: Interpolants [248#true, 249#false, 250#(and (= 0 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.offset|) (= 4 (select |#length| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|)) (= (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 1)), 251#(and (= __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~x_ref~0.offset 0) (= 4 (select |#length| __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~x_ref~0.base)) (= (select |#valid| __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~x_ref~0.base) 1)), 252#(and (= __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~x_ref~0.offset 0) (= 4 (select |#length| __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~x_ref~0.base)))] [2018-04-11 13:50:44,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:50:44,494 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:50:44,494 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:50:44,494 INFO L87 Difference]: Start difference. First operand 76 states and 77 transitions. Second operand 5 states. [2018-04-11 13:50:44,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:50:44,569 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2018-04-11 13:50:44,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:50:44,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-04-11 13:50:44,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:50:44,570 INFO L225 Difference]: With dead ends: 71 [2018-04-11 13:50:44,570 INFO L226 Difference]: Without dead ends: 71 [2018-04-11 13:50:44,571 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:50:44,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-04-11 13:50:44,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-04-11 13:50:44,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-11 13:50:44,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2018-04-11 13:50:44,574 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 17 [2018-04-11 13:50:44,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:50:44,575 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2018-04-11 13:50:44,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:50:44,575 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-04-11 13:50:44,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 13:50:44,575 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:50:44,575 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:50:44,575 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 13:50:44,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1929775850, now seen corresponding path program 1 times [2018-04-11 13:50:44,576 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:50:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:50:44,588 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:50:44,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,636 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:50:44,636 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:50:44,636 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:50:44,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,636 INFO L182 omatonBuilderFactory]: Interpolants [400#(= (select |#valid| __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~y_ref~0.base) 1), 397#true, 398#false, 399#(= (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) 1)] [2018-04-11 13:50:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:50:44,637 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:50:44,637 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:50:44,637 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand 4 states. [2018-04-11 13:50:44,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:50:44,683 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2018-04-11 13:50:44,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 13:50:44,683 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-04-11 13:50:44,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:50:44,684 INFO L225 Difference]: With dead ends: 69 [2018-04-11 13:50:44,684 INFO L226 Difference]: Without dead ends: 69 [2018-04-11 13:50:44,684 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:50:44,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-04-11 13:50:44,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-04-11 13:50:44,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-11 13:50:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2018-04-11 13:50:44,688 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 18 [2018-04-11 13:50:44,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:50:44,688 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2018-04-11 13:50:44,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:50:44,688 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-04-11 13:50:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 13:50:44,688 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:50:44,689 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:50:44,689 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 13:50:44,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1929775851, now seen corresponding path program 1 times [2018-04-11 13:50:44,689 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:50:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:50:44,700 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:50:44,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,744 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:50:44,744 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:50:44,744 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:50:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,745 INFO L182 omatonBuilderFactory]: Interpolants [544#(and (= __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~y_ref~0.offset 0) (= 4 (select |#length| __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~y_ref~0.base)) (= (select |#valid| __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~y_ref~0.base) 1)), 545#(and (= __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~y_ref~0.offset 0) (= 4 (select |#length| __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~y_ref~0.base))), 541#true, 542#false, 543#(and (= 0 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.offset|) (= 4 (select |#length| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|)) (= (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) 1))] [2018-04-11 13:50:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:50:44,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:50:44,746 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:50:44,746 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 5 states. [2018-04-11 13:50:44,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:50:44,826 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2018-04-11 13:50:44,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:50:44,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-11 13:50:44,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:50:44,827 INFO L225 Difference]: With dead ends: 67 [2018-04-11 13:50:44,827 INFO L226 Difference]: Without dead ends: 67 [2018-04-11 13:50:44,828 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:50:44,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-11 13:50:44,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-04-11 13:50:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-11 13:50:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2018-04-11 13:50:44,833 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 18 [2018-04-11 13:50:44,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:50:44,833 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2018-04-11 13:50:44,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:50:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-04-11 13:50:44,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 13:50:44,834 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:50:44,834 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:50:44,834 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 13:50:44,834 INFO L82 PathProgramCache]: Analyzing trace with hash -306490800, now seen corresponding path program 1 times [2018-04-11 13:50:44,835 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:50:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:50:44,853 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:50:44,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,885 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:50:44,885 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:50:44,885 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:50:44,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,885 INFO L182 omatonBuilderFactory]: Interpolants [682#true, 683#false, 684#(= (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|) 1), 685#(= 1 (select |#valid| __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~z_ref~0.base))] [2018-04-11 13:50:44,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:50:44,886 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:50:44,886 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:50:44,886 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand 4 states. [2018-04-11 13:50:44,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:50:44,935 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2018-04-11 13:50:44,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 13:50:44,935 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-04-11 13:50:44,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:50:44,936 INFO L225 Difference]: With dead ends: 63 [2018-04-11 13:50:44,936 INFO L226 Difference]: Without dead ends: 63 [2018-04-11 13:50:44,936 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:50:44,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-04-11 13:50:44,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-04-11 13:50:44,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-11 13:50:44,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2018-04-11 13:50:44,939 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 19 [2018-04-11 13:50:44,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:50:44,939 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2018-04-11 13:50:44,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:50:44,939 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-04-11 13:50:44,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 13:50:44,939 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:50:44,939 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:50:44,940 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 13:50:44,940 INFO L82 PathProgramCache]: Analyzing trace with hash -306490799, now seen corresponding path program 1 times [2018-04-11 13:50:44,940 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:50:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:50:44,949 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:50:44,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,996 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:50:44,996 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:50:44,996 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:50:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,997 INFO L182 omatonBuilderFactory]: Interpolants [816#(and (= 4 (select |#length| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) (= 0 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.offset|) (= (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|) 1)), 817#(and (= (select |#valid| __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~z_ref~0.base) 1) (= 4 (select |#length| __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~z_ref~0.base)) (= __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~z_ref~0.offset 0)), 818#(and (= 4 (select |#length| __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~z_ref~0.base)) (= __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~z_ref~0.offset 0)), 814#true, 815#false] [2018-04-11 13:50:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:44,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:50:44,997 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:50:44,997 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:50:44,998 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 5 states. [2018-04-11 13:50:45,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:50:45,058 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2018-04-11 13:50:45,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:50:45,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-04-11 13:50:45,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:50:45,059 INFO L225 Difference]: With dead ends: 59 [2018-04-11 13:50:45,059 INFO L226 Difference]: Without dead ends: 59 [2018-04-11 13:50:45,059 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:50:45,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-11 13:50:45,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-04-11 13:50:45,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-11 13:50:45,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2018-04-11 13:50:45,063 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 19 [2018-04-11 13:50:45,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:50:45,063 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2018-04-11 13:50:45,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:50:45,063 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-04-11 13:50:45,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 13:50:45,063 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:50:45,063 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] [2018-04-11 13:50:45,064 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 13:50:45,064 INFO L82 PathProgramCache]: Analyzing trace with hash -911280211, now seen corresponding path program 1 times [2018-04-11 13:50:45,064 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:50:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:50:45,072 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:50:45,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:45,094 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:50:45,094 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:50:45,094 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:50:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:45,095 INFO L182 omatonBuilderFactory]: Interpolants [939#true, 940#false, 941#(= 1 (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)), 942#(= 1 (select |#valid| __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~c~0.base))] [2018-04-11 13:50:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:45,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:50:45,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:50:45,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:50:45,095 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 4 states. [2018-04-11 13:50:45,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:50:45,146 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2018-04-11 13:50:45,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 13:50:45,146 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-11 13:50:45,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:50:45,147 INFO L225 Difference]: With dead ends: 55 [2018-04-11 13:50:45,147 INFO L226 Difference]: Without dead ends: 55 [2018-04-11 13:50:45,147 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:50:45,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-11 13:50:45,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-04-11 13:50:45,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-11 13:50:45,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2018-04-11 13:50:45,150 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 20 [2018-04-11 13:50:45,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:50:45,151 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2018-04-11 13:50:45,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:50:45,151 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-04-11 13:50:45,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 13:50:45,151 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:50:45,151 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] [2018-04-11 13:50:45,152 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 13:50:45,152 INFO L82 PathProgramCache]: Analyzing trace with hash -911280210, now seen corresponding path program 1 times [2018-04-11 13:50:45,152 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:50:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:50:45,164 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:50:45,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:45,194 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:50:45,194 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:50:45,195 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:50:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:45,195 INFO L182 omatonBuilderFactory]: Interpolants [1056#false, 1057#(and (= 4 (select |#length| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) (= 0 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.offset|)), 1058#(and (= 4 (select |#length| __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~c~0.base)) (= __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~c~0.offset 0)), 1055#true] [2018-04-11 13:50:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:45,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:50:45,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:50:45,195 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:50:45,196 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 4 states. [2018-04-11 13:50:45,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:50:45,226 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2018-04-11 13:50:45,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:50:45,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-11 13:50:45,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:50:45,228 INFO L225 Difference]: With dead ends: 51 [2018-04-11 13:50:45,228 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 13:50:45,228 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:50:45,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 13:50:45,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-11 13:50:45,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-11 13:50:45,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2018-04-11 13:50:45,231 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 20 [2018-04-11 13:50:45,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:50:45,232 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2018-04-11 13:50:45,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:50:45,232 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-04-11 13:50:45,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-11 13:50:45,232 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:50:45,233 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:50:45,233 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 13:50:45,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1295572381, now seen corresponding path program 1 times [2018-04-11 13:50:45,233 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:50:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:50:45,263 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:50:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:45,723 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:50:45,723 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-11 13:50:45,723 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:50:45,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:45,724 INFO L182 omatonBuilderFactory]: Interpolants [1163#true, 1164#false, 1165#(= |#valid| |old(#valid)|), 1166#(and (= (store |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|)) |#valid|) (= (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 1) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 0)), 1167#(and (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) 0) (= (store (store |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|)) |#valid|) (= (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 1) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 0) (= (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) 1) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|))), 1168#(and (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) 0) (= __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~y_ref~0.base |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) (= (store (store |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|)) |#valid|) (= (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 1) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 0) (= (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) 1) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|))), 1169#(and (not (= (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 0)) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) (not (= (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) 0)) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) 0) (= __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~y_ref~0.base |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|) 0) (= (store (store (store |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|)) |#valid|) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 0) (not (= (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|) 0)) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|))), 1170#(and (= |#valid| (store (store (store (store |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|))) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) (= __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~y_ref~0.base |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) 0) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|) 0) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|) 0) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 0) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|)) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|))), 1171#(and (= |#valid| (store (store (store (store |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|))) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) 0) (not (= __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~y_ref~0.base __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~c~0.base)) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|) 0) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|) 0) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 0) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|)) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|))), 1172#(and (= |#valid| (store (store (store (store |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|))) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) 0) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|) 0) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|) 0) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 0) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|)) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|))), 1173#(and (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|) 0) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|) 0) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|) 0) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) (= |#valid| (store (store (store |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|)))), 1174#(and (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|) 0) (= |#valid| (store (store |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|))) (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|) 0) (not (= |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|))), 1175#(and (= (select |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|) 0) (= |#valid| (store |old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base| (select |#valid| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|))))] [2018-04-11 13:50:45,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:50:45,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 13:50:45,725 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 13:50:45,725 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2018-04-11 13:50:45,725 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 13 states. [2018-04-11 13:50:46,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:50:46,094 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2018-04-11 13:50:46,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 13:50:46,094 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2018-04-11 13:50:46,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:50:46,095 INFO L225 Difference]: With dead ends: 50 [2018-04-11 13:50:46,095 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 13:50:46,095 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2018-04-11 13:50:46,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 13:50:46,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 13:50:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 13:50:46,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 13:50:46,101 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-04-11 13:50:46,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:50:46,101 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 13:50:46,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 13:50:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 13:50:46,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 13:50:46,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 01:50:46 BoogieIcfgContainer [2018-04-11 13:50:46,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 13:50:46,107 INFO L168 Benchmark]: Toolchain (without parser) took 2833.50 ms. Allocated memory was 397.9 MB in the beginning and 684.7 MB in the end (delta: 286.8 MB). Free memory was 328.9 MB in the beginning and 499.7 MB in the end (delta: -170.8 MB). Peak memory consumption was 116.0 MB. Max. memory is 5.3 GB. [2018-04-11 13:50:46,108 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 397.9 MB. Free memory is still 356.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 13:50:46,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.24 ms. Allocated memory is still 397.9 MB. Free memory was 328.3 MB in the beginning and 304.9 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB. [2018-04-11 13:50:46,109 INFO L168 Benchmark]: Boogie Preprocessor took 41.34 ms. Allocated memory is still 397.9 MB. Free memory was 304.9 MB in the beginning and 302.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 13:50:46,109 INFO L168 Benchmark]: RCFGBuilder took 434.42 ms. Allocated memory was 397.9 MB in the beginning and 600.3 MB in the end (delta: 202.4 MB). Free memory was 302.2 MB in the beginning and 529.7 MB in the end (delta: -227.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB. [2018-04-11 13:50:46,109 INFO L168 Benchmark]: TraceAbstraction took 2110.83 ms. Allocated memory was 600.3 MB in the beginning and 684.7 MB in the end (delta: 84.4 MB). Free memory was 529.7 MB in the beginning and 499.7 MB in the end (delta: 30.0 MB). Peak memory consumption was 114.4 MB. Max. memory is 5.3 GB. [2018-04-11 13:50:46,110 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 397.9 MB. Free memory is still 356.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 244.24 ms. Allocated memory is still 397.9 MB. Free memory was 328.3 MB in the beginning and 304.9 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 41.34 ms. Allocated memory is still 397.9 MB. Free memory was 304.9 MB in the beginning and 302.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 434.42 ms. Allocated memory was 397.9 MB in the beginning and 600.3 MB in the end (delta: 202.4 MB). Free memory was 302.2 MB in the beginning and 529.7 MB in the end (delta: -227.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2110.83 ms. Allocated memory was 600.3 MB in the beginning and 684.7 MB in the end (delta: 84.4 MB). Free memory was 529.7 MB in the beginning and 499.7 MB in the end (delta: 30.0 MB). Peak memory consumption was 114.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 90 locations, 31 error locations. SAFE Result, 2.0s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 315 SDtfs, 691 SDslu, 413 SDs, 0 SdLazy, 708 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 15 SyntacticMatches, 8 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 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, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 56655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/c.03-alloca_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_13-50-46-117.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/c.03-alloca_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_13-50-46-117.csv Received shutdown request...