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_z3.epf -i ../../../trunk/examples/svcomp/memsafety/test-0513_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 18:24:44,484 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 18:24:44,486 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 18:24:44,499 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 18:24:44,499 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 18:24:44,500 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 18:24:44,501 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 18:24:44,502 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 18:24:44,504 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 18:24:44,505 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 18:24:44,505 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 18:24:44,506 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 18:24:44,506 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 18:24:44,507 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 18:24:44,508 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 18:24:44,510 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 18:24:44,511 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 18:24:44,512 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 18:24:44,513 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 18:24:44,514 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 18:24:44,516 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 18:24:44,521 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-04-11 18:24:44,543 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 18:24:44,543 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 18:24:44,544 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 18:24:44,544 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 18:24:44,544 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 18:24:44,545 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 18:24:44,545 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 18:24:44,545 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 18:24:44,545 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 18:24:44,545 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 18:24:44,545 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 18:24:44,545 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 18:24:44,546 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 18:24:44,546 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 18:24:44,546 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 18:24:44,546 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 18:24:44,546 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 18:24:44,546 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 18:24:44,546 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 18:24:44,547 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:24:44,547 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 18:24:44,547 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-11 18:24:44,547 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-11 18:24:44,547 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 18:24:44,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 18:24:44,584 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 18:24:44,587 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 18:24:44,588 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 18:24:44,588 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 18:24:44,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0513_true-valid-memsafety.i [2018-04-11 18:24:44,871 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd20859c62 [2018-04-11 18:24:45,023 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 18:24:45,023 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 18:24:45,023 INFO L168 CDTParser]: Scanning test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,030 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 18:24:45,030 INFO L215 ultiparseSymbolTable]: [2018-04-11 18:24:45,030 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 18:24:45,030 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,030 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 18:24:45,030 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__wchar_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,030 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__uint in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,030 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__nlink_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__loff_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____fd_mask in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____useconds_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__id_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____uid_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____key_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____uint8_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_attr_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____int64_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____uint64_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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18:24:45,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____pid_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__suseconds_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____daddr_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____nlink_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____sig_atomic_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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declaration of __U_MULTI_ftest______true_valid_memsafety_i____fsid_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____quad_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____mode_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____gid_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____u_quad_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_barrier_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_long in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_short in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__ulong in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__gid_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_cond_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____sigset_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____rlim_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__blkcnt_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__quad_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_spinlock_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__caddr_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____ino_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____pthread_list_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__div_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____int16_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____u_long in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____clockid_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__off_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_once_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_char in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_int16_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__size_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____intptr_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_rwlock_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____id_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____uint32_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,036 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__fd_set in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,036 INFO L230 ultiparseSymbolTable]: Global 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test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__lldiv_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__uid_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__int16_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____caddr_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____off64_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____suseconds_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,037 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____u_char in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_quad_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_int in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____u_short in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_int32_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__mode_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__key_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____fsfilcnt_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_mutexattr_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__fsblkcnt_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____timer_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____int32_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,038 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__int32_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____uint16_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__ino_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____fsfilcnt64_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__fsfilcnt_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____off_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_int64_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____ino64_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____ssize_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____time_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__int8_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_rwlockattr_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__ldiv_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__fd_mask in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____blkcnt64_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__ushort in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____blkcnt_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_mutex_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____swblk_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,039 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__register_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__sigset_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_barrierattr_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__time_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__dev_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____u_int in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,040 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_key_t in test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,052 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd20859c62 [2018-04-11 18:24:45,055 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 18:24:45,057 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 18:24:45,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 18:24:45,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 18:24:45,061 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 18:24:45,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:24:45" (1/1) ... [2018-04-11 18:24:45,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71fff485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:24:45, skipping insertion in model container [2018-04-11 18:24:45,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:24:45" (1/1) ... [2018-04-11 18:24:45,074 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:24:45,099 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:24:45,223 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:24:45,260 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:24:45,265 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-11 18:24:45,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:24:45 WrapperNode [2018-04-11 18:24:45,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 18:24:45,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 18:24:45,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 18:24:45,305 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 18:24:45,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:24:45" (1/1) ... [2018-04-11 18:24:45,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:24:45" (1/1) ... [2018-04-11 18:24:45,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:24:45" (1/1) ... [2018-04-11 18:24:45,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:24:45" (1/1) ... [2018-04-11 18:24:45,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:24:45" (1/1) ... [2018-04-11 18:24:45,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:24:45" (1/1) ... [2018-04-11 18:24:45,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:24:45" (1/1) ... [2018-04-11 18:24:45,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 18:24:45,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 18:24:45,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 18:24:45,349 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 18:24:45,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:24:45" (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 18:24:45,451 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 18:24:45,451 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 18:24:45,451 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 18:24:45,451 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 18:24:45,451 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 18:24:45,451 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 18:24:45,451 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 18:24:45,451 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 18:24:45,451 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 18:24:45,451 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 18:24:45,451 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 18:24:45,452 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 18:24:45,452 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 18:24:45,452 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 18:24:45,452 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 18:24:45,452 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 18:24:45,452 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 18:24:45,452 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 18:24:45,452 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 18:24:45,452 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 18:24:45,452 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 18:24:45,452 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 18:24:45,453 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 18:24:45,453 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 18:24:45,453 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 18:24:45,453 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 18:24:45,453 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 18:24:45,453 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 18:24:45,453 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 18:24:45,453 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 18:24:45,453 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 18:24:45,454 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 18:24:45,454 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 18:24:45,454 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 18:24:45,454 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 18:24:45,454 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 18:24:45,454 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 18:24:45,454 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 18:24:45,454 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 18:24:45,454 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 18:24:45,455 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 18:24:45,455 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 18:24:45,455 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 18:24:45,455 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 18:24:45,455 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 18:24:45,455 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 18:24:45,455 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 18:24:45,455 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 18:24:45,455 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 18:24:45,455 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 18:24:45,456 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 18:24:45,456 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 18:24:45,456 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 18:24:45,456 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 18:24:45,456 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 18:24:45,456 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 18:24:45,456 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 18:24:45,456 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 18:24:45,456 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 18:24:45,456 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 18:24:45,457 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 18:24:45,457 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 18:24:45,457 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 18:24:45,457 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 18:24:45,457 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 18:24:45,457 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 18:24:45,457 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 18:24:45,457 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 18:24:45,457 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 18:24:45,457 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 18:24:45,458 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 18:24:45,458 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 18:24:45,458 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 18:24:45,458 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 18:24:45,458 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 18:24:45,458 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 18:24:45,458 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 18:24:45,458 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 18:24:45,458 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 18:24:45,458 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 18:24:45,458 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 18:24:45,459 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 18:24:45,459 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 18:24:45,459 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 18:24:45,459 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 18:24:45,459 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 18:24:45,459 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 18:24:45,459 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 18:24:45,459 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 18:24:45,459 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 18:24:45,459 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 18:24:45,459 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 18:24:45,460 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 18:24:45,460 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 18:24:45,460 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 18:24:45,460 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 18:24:45,460 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 18:24:45,460 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 18:24:45,460 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 18:24:45,460 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 18:24:45,461 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 18:24:45,461 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 18:24:45,461 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 18:24:45,461 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 18:24:45,461 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 18:24:45,461 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 18:24:45,461 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 18:24:45,461 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 18:24:45,461 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 18:24:45,461 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 18:24:45,461 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 18:24:45,462 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 18:24:45,462 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 18:24:45,462 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 18:24:45,462 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 18:24:45,462 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 18:24:45,864 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 18:24:45,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:24:45 BoogieIcfgContainer [2018-04-11 18:24:45,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 18:24:45,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 18:24:45,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 18:24:45,866 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 18:24:45,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 06:24:45" (1/3) ... [2018-04-11 18:24:45,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ecc185e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:24:45, skipping insertion in model container [2018-04-11 18:24:45,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:24:45" (2/3) ... [2018-04-11 18:24:45,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ecc185e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:24:45, skipping insertion in model container [2018-04-11 18:24:45,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:24:45" (3/3) ... [2018-04-11 18:24:45,869 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0513_true-valid-memsafety.i [2018-04-11 18:24:45,876 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 18:24:45,881 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 59 error locations. [2018-04-11 18:24:45,905 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 18:24:45,906 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 18:24:45,906 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 18:24:45,906 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-11 18:24:45,906 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 18:24:45,906 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 18:24:45,906 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 18:24:45,906 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 18:24:45,906 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 18:24:45,907 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 18:24:45,917 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-04-11 18:24:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-11 18:24:45,924 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:24:45,924 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:24:45,924 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr58EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 18:24:45,927 INFO L82 PathProgramCache]: Analyzing trace with hash -753540323, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:24:45,934 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:24:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:45,977 INFO 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 18:24:45,994 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:24:45,994 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 18:24:45,995 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:24:45,995 INFO 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 18:24:45,995 INFO L182 omatonBuilderFactory]: Interpolants [146#true, 147#false, 151#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:24:45,996 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 18:24:45,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 18:24:46,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 18:24:46,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 18:24:46,005 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 3 states. [2018-04-11 18:24:46,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:24:46,203 INFO L93 Difference]: Finished difference Result 190 states and 201 transitions. [2018-04-11 18:24:46,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 18:24:46,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-04-11 18:24:46,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:24:46,212 INFO L225 Difference]: With dead ends: 190 [2018-04-11 18:24:46,212 INFO L226 Difference]: Without dead ends: 186 [2018-04-11 18:24:46,214 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 18:24:46,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-04-11 18:24:46,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 144. [2018-04-11 18:24:46,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-11 18:24:46,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 153 transitions. [2018-04-11 18:24:46,247 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 153 transitions. Word has length 9 [2018-04-11 18:24:46,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:24:46,247 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 153 transitions. [2018-04-11 18:24:46,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 18:24:46,247 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2018-04-11 18:24:46,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 18:24:46,248 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:24:46,248 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:24:46,248 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr58EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 18:24:46,248 INFO L82 PathProgramCache]: Analyzing trace with hash -440516954, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:24:46,257 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:24:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:24:46,313 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:24:46,313 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:24:46,313 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:24:46,314 INFO 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 18:24:46,314 INFO L182 omatonBuilderFactory]: Interpolants [486#true, 487#false, 491#(and (= main_~data~0.offset 0) (= main_~data~0.base 0)), 492#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:24:46,314 INFO 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 18:24:46,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 18:24:46,315 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 18:24:46,315 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 18:24:46,316 INFO L87 Difference]: Start difference. First operand 144 states and 153 transitions. Second operand 4 states. [2018-04-11 18:24:46,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:24:46,514 INFO L93 Difference]: Finished difference Result 160 states and 167 transitions. [2018-04-11 18:24:46,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 18:24:46,515 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-04-11 18:24:46,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:24:46,516 INFO L225 Difference]: With dead ends: 160 [2018-04-11 18:24:46,516 INFO L226 Difference]: Without dead ends: 159 [2018-04-11 18:24:46,517 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 18:24:46,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-04-11 18:24:46,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2018-04-11 18:24:46,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-11 18:24:46,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 165 transitions. [2018-04-11 18:24:46,524 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 165 transitions. Word has length 12 [2018-04-11 18:24:46,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:24:46,524 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 165 transitions. [2018-04-11 18:24:46,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 18:24:46,525 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 165 transitions. [2018-04-11 18:24:46,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 18:24:46,525 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:24:46,525 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:24:46,525 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr58EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 18:24:46,525 INFO L82 PathProgramCache]: Analyzing trace with hash -770757119, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:24:46,528 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:24:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:46,536 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:24:46,539 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:24:46,539 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:24:46,540 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:24:46,540 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:24:46,576 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:24:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:46,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:24:46,607 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:24:46,607 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:24:46,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:24:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:24:46,608 INFO L182 omatonBuilderFactory]: Interpolants [816#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 808#true, 809#false, 813#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 814#(= 1 (select |#valid| |main_#t~malloc1.base|)), 815#(= 1 (select |#valid| main_~item~0.base))] [2018-04-11 18:24:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:24:46,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:24:46,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:24:46,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:24:46,608 INFO L87 Difference]: Start difference. First operand 153 states and 165 transitions. Second operand 6 states. [2018-04-11 18:24:46,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:24:46,936 INFO L93 Difference]: Finished difference Result 229 states and 243 transitions. [2018-04-11 18:24:46,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:24:46,937 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-11 18:24:46,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:24:46,940 INFO L225 Difference]: With dead ends: 229 [2018-04-11 18:24:46,940 INFO L226 Difference]: Without dead ends: 229 [2018-04-11 18:24:46,940 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-04-11 18:24:46,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-04-11 18:24:46,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 155. [2018-04-11 18:24:46,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-04-11 18:24:46,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 169 transitions. [2018-04-11 18:24:46,948 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 169 transitions. Word has length 13 [2018-04-11 18:24:46,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:24:46,949 INFO L459 AbstractCegarLoop]: Abstraction has 155 states and 169 transitions. [2018-04-11 18:24:46,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:24:46,949 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 169 transitions. [2018-04-11 18:24:46,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 18:24:46,949 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:24:46,950 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:24:46,950 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr58EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 18:24:46,950 INFO L82 PathProgramCache]: Analyzing trace with hash -770757118, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:24:46,955 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:24:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:46,962 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:24:46,966 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:24:46,966 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:24:46,966 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:24:46,966 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:24:46,971 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:24:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:46,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:24:47,005 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:24:47,005 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:24:47,005 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:24:47,005 INFO 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 18:24:47,005 INFO L182 omatonBuilderFactory]: Interpolants [1205#true, 1206#false, 1210#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 1211#(and (= 0 |main_#t~malloc1.offset|) (= 8 (select |#length| |main_#t~malloc1.base|))), 1212#(and (<= 0 main_~item~0.offset) (<= (+ main_~item~0.offset 4) (select |#length| main_~item~0.base))), 1213#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:24:47,005 INFO 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 18:24:47,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:24:47,006 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:24:47,006 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:24:47,006 INFO L87 Difference]: Start difference. First operand 155 states and 169 transitions. Second operand 6 states. [2018-04-11 18:24:47,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:24:47,226 INFO L93 Difference]: Finished difference Result 154 states and 167 transitions. [2018-04-11 18:24:47,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:24:47,227 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-11 18:24:47,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:24:47,228 INFO L225 Difference]: With dead ends: 154 [2018-04-11 18:24:47,228 INFO L226 Difference]: Without dead ends: 154 [2018-04-11 18:24:47,228 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=27, Unknown=3, NotChecked=10, Total=56 [2018-04-11 18:24:47,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-04-11 18:24:47,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-04-11 18:24:47,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-04-11 18:24:47,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 167 transitions. [2018-04-11 18:24:47,234 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 167 transitions. Word has length 13 [2018-04-11 18:24:47,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:24:47,234 INFO L459 AbstractCegarLoop]: Abstraction has 154 states and 167 transitions. [2018-04-11 18:24:47,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:24:47,234 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 167 transitions. [2018-04-11 18:24:47,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 18:24:47,235 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:24:47,235 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:24:47,235 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr58EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 18:24:47,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1963216605, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:24:47,241 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:24:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:47,251 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:24:47,253 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:24:47,253 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:24:47,254 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:24:47,254 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:24:47,257 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:24:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:47,294 INFO 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 18:24:47,339 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:24:47,339 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:24:47,339 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:24:47,339 INFO 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 18:24:47,340 INFO L182 omatonBuilderFactory]: Interpolants [1526#true, 1527#false, 1531#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 1532#(and (= 0 |main_#t~malloc1.offset|) (= 8 (select |#length| |main_#t~malloc1.base|))), 1533#(and (<= 0 (+ main_~item~0.offset 4)) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base))), 1534#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:24:47,340 INFO 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 18:24:47,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:24:47,340 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:24:47,341 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:24:47,341 INFO L87 Difference]: Start difference. First operand 154 states and 167 transitions. Second operand 6 states. [2018-04-11 18:24:47,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:24:47,606 INFO L93 Difference]: Finished difference Result 183 states and 195 transitions. [2018-04-11 18:24:47,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:24:47,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-04-11 18:24:47,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:24:47,607 INFO L225 Difference]: With dead ends: 183 [2018-04-11 18:24:47,608 INFO L226 Difference]: Without dead ends: 183 [2018-04-11 18:24:47,608 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=27, Unknown=3, NotChecked=10, Total=56 [2018-04-11 18:24:47,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-04-11 18:24:47,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 153. [2018-04-11 18:24:47,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-11 18:24:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 164 transitions. [2018-04-11 18:24:47,613 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 164 transitions. Word has length 15 [2018-04-11 18:24:47,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:24:47,613 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 164 transitions. [2018-04-11 18:24:47,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:24:47,613 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 164 transitions. [2018-04-11 18:24:47,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 18:24:47,614 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:24:47,614 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 18:24:47,614 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr58EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 18:24:47,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1570873951, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:24:47,624 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:24:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:47,654 INFO 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 18:24:47,679 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:24:47,680 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:24:47,680 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:24:47,680 INFO 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 18:24:47,680 INFO L182 omatonBuilderFactory]: Interpolants [1875#true, 1876#false, 1880#(= 1 (select |#valid| |main_#t~malloc3.base|)), 1881#(= 1 (select |#valid| main_~lItem~0.base)), 1882#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:24:47,680 INFO 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 18:24:47,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:24:47,681 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:24:47,681 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:24:47,681 INFO L87 Difference]: Start difference. First operand 153 states and 164 transitions. Second operand 5 states. [2018-04-11 18:24:47,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:24:47,895 INFO L93 Difference]: Finished difference Result 191 states and 202 transitions. [2018-04-11 18:24:47,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:24:47,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-04-11 18:24:47,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:24:47,897 INFO L225 Difference]: With dead ends: 191 [2018-04-11 18:24:47,897 INFO L226 Difference]: Without dead ends: 191 [2018-04-11 18:24:47,898 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:24:47,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-04-11 18:24:47,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 149. [2018-04-11 18:24:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-04-11 18:24:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 160 transitions. [2018-04-11 18:24:47,902 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 160 transitions. Word has length 20 [2018-04-11 18:24:47,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:24:47,903 INFO L459 AbstractCegarLoop]: Abstraction has 149 states and 160 transitions. [2018-04-11 18:24:47,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:24:47,903 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 160 transitions. [2018-04-11 18:24:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 18:24:47,903 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:24:47,903 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 18:24:47,903 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr58EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 18:24:47,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1570873952, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:24:47,908 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:24:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:47,939 INFO 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 18:24:47,960 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:24:47,960 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:24:47,960 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:24:47,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:24:47,960 INFO L182 omatonBuilderFactory]: Interpolants [2225#true, 2226#false, 2230#(and (= 8 (select |#length| |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)), 2231#(and (<= 0 main_~lItem~0.offset) (<= (+ main_~lItem~0.offset 4) (select |#length| main_~lItem~0.base))), 2232#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:24:47,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:24:47,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:24:47,961 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:24:47,961 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:24:47,961 INFO L87 Difference]: Start difference. First operand 149 states and 160 transitions. Second operand 5 states. [2018-04-11 18:24:48,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:24:48,143 INFO L93 Difference]: Finished difference Result 190 states and 202 transitions. [2018-04-11 18:24:48,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 18:24:48,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-04-11 18:24:48,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:24:48,144 INFO L225 Difference]: With dead ends: 190 [2018-04-11 18:24:48,144 INFO L226 Difference]: Without dead ends: 190 [2018-04-11 18:24:48,145 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:24:48,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-04-11 18:24:48,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 147. [2018-04-11 18:24:48,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-04-11 18:24:48,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 158 transitions. [2018-04-11 18:24:48,147 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 158 transitions. Word has length 20 [2018-04-11 18:24:48,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:24:48,148 INFO L459 AbstractCegarLoop]: Abstraction has 147 states and 158 transitions. [2018-04-11 18:24:48,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:24:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 158 transitions. [2018-04-11 18:24:48,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-11 18:24:48,148 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:24:48,149 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:24:48,149 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr58EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 18:24:48,149 INFO L82 PathProgramCache]: Analyzing trace with hash 2076346658, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:24:48,153 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:24:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:48,194 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 18:24:48,211 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:24:48,211 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:24:48,211 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:24:48,211 INFO 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 18:24:48,211 INFO L182 omatonBuilderFactory]: Interpolants [2577#(and (= 8 (select |#length| |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)), 2578#(and (<= 0 (+ main_~lItem~0.offset 4)) (<= (+ main_~lItem~0.offset 8) (select |#length| main_~lItem~0.base))), 2579#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 2572#true, 2573#false] [2018-04-11 18:24:48,212 INFO 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 18:24:48,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:24:48,212 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:24:48,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:24:48,212 INFO L87 Difference]: Start difference. First operand 147 states and 158 transitions. Second operand 5 states. [2018-04-11 18:24:48,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:24:48,392 INFO L93 Difference]: Finished difference Result 146 states and 157 transitions. [2018-04-11 18:24:48,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 18:24:48,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-04-11 18:24:48,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:24:48,392 INFO L225 Difference]: With dead ends: 146 [2018-04-11 18:24:48,392 INFO L226 Difference]: Without dead ends: 146 [2018-04-11 18:24:48,393 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:24:48,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-04-11 18:24:48,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-04-11 18:24:48,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-11 18:24:48,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 157 transitions. [2018-04-11 18:24:48,394 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 157 transitions. Word has length 22 [2018-04-11 18:24:48,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:24:48,395 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 157 transitions. [2018-04-11 18:24:48,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:24:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 157 transitions. [2018-04-11 18:24:48,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 18:24:48,395 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:24:48,395 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:24:48,395 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr58EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 18:24:48,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1391598788, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:24:48,397 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:24:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:24:48,442 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:24:48,443 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 18:24:48,443 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:24:48,443 INFO 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 18:24:48,443 INFO L182 omatonBuilderFactory]: Interpolants [2880#(not (= 0 main_~lItem~0.base)), 2881#(not (= 0 main_~data~0.base)), 2882#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 2874#true, 2875#false, 2879#(not (= 0 |main_#t~malloc3.base|))] [2018-04-11 18:24:48,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:24:48,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:24:48,443 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:24:48,444 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:24:48,444 INFO L87 Difference]: Start difference. First operand 146 states and 157 transitions. Second operand 6 states. [2018-04-11 18:24:48,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:24:48,643 INFO L93 Difference]: Finished difference Result 246 states and 264 transitions. [2018-04-11 18:24:48,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:24:48,643 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-04-11 18:24:48,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:24:48,644 INFO L225 Difference]: With dead ends: 246 [2018-04-11 18:24:48,644 INFO L226 Difference]: Without dead ends: 246 [2018-04-11 18:24:48,645 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-04-11 18:24:48,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-04-11 18:24:48,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 146. [2018-04-11 18:24:48,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-11 18:24:48,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 155 transitions. [2018-04-11 18:24:48,647 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 155 transitions. Word has length 28 [2018-04-11 18:24:48,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:24:48,648 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 155 transitions. [2018-04-11 18:24:48,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:24:48,648 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 155 transitions. [2018-04-11 18:24:48,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 18:24:48,648 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:24:48,648 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:24:48,649 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr58EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-11 18:24:48,649 INFO L82 PathProgramCache]: Analyzing trace with hash 189886127, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:24:48,652 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:24:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:24:48,687 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 122 column 381: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-11 18:24:48,690 INFO L168 Benchmark]: Toolchain (without parser) took 3633.79 ms. Allocated memory was 402.1 MB in the beginning and 685.8 MB in the end (delta: 283.6 MB). Free memory was 335.7 MB in the beginning and 432.6 MB in the end (delta: -96.9 MB). Peak memory consumption was 186.8 MB. Max. memory is 5.3 GB. [2018-04-11 18:24:48,691 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 402.1 MB. Free memory is still 359.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:24:48,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.69 ms. Allocated memory is still 402.1 MB. Free memory was 335.7 MB in the beginning and 306.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. [2018-04-11 18:24:48,692 INFO L168 Benchmark]: Boogie Preprocessor took 43.51 ms. Allocated memory is still 402.1 MB. Free memory was 306.6 MB in the beginning and 304.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 18:24:48,692 INFO L168 Benchmark]: RCFGBuilder took 515.21 ms. Allocated memory was 402.1 MB in the beginning and 615.5 MB in the end (delta: 213.4 MB). Free memory was 304.0 MB in the beginning and 532.7 MB in the end (delta: -228.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-11 18:24:48,693 INFO L168 Benchmark]: TraceAbstraction took 2824.45 ms. Allocated memory was 615.5 MB in the beginning and 685.8 MB in the end (delta: 70.3 MB). Free memory was 532.7 MB in the beginning and 432.6 MB in the end (delta: 100.1 MB). Peak memory consumption was 170.3 MB. Max. memory is 5.3 GB. [2018-04-11 18:24:48,696 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 402.1 MB. Free memory is still 359.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 247.69 ms. Allocated memory is still 402.1 MB. Free memory was 335.7 MB in the beginning and 306.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 43.51 ms. Allocated memory is still 402.1 MB. Free memory was 306.6 MB in the beginning and 304.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 515.21 ms. Allocated memory was 402.1 MB in the beginning and 615.5 MB in the end (delta: 213.4 MB). Free memory was 304.0 MB in the beginning and 532.7 MB in the end (delta: -228.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2824.45 ms. Allocated memory was 615.5 MB in the beginning and 685.8 MB in the end (delta: 70.3 MB). Free memory was 532.7 MB in the beginning and 432.6 MB in the end (delta: 100.1 MB). Peak memory consumption was 170.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 122 column 381: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 122 column 381: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0513_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_18-24-48-708.csv [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (11)] Exception during sending of exit command (exit): Broken pipe Received shutdown request...