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/list-ext-properties/test-0513_1_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 15:11:29,052 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 15:11:29,053 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 15:11:29,066 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 15:11:29,067 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 15:11:29,068 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 15:11:29,069 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 15:11:29,070 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 15:11:29,072 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 15:11:29,073 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 15:11:29,074 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 15:11:29,074 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 15:11:29,075 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 15:11:29,076 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 15:11:29,077 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 15:11:29,078 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 15:11:29,080 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 15:11:29,081 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 15:11:29,082 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 15:11:29,083 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 15:11:29,085 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-13 15:11:29,085 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-13 15:11:29,085 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-13 15:11:29,086 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-13 15:11:29,087 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-13 15:11:29,088 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-13 15:11:29,088 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-13 15:11:29,088 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-13 15:11:29,089 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-13 15:11:29,089 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-13 15:11:29,090 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-13 15:11:29,090 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 [2018-04-13 15:11:29,101 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 15:11:29,101 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 15:11:29,102 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 15:11:29,102 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 15:11:29,102 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 15:11:29,103 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 15:11:29,103 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 15:11:29,103 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 15:11:29,103 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 15:11:29,103 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 15:11:29,103 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 15:11:29,104 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 15:11:29,104 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 15:11:29,104 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 15:11:29,104 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 15:11:29,104 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 15:11:29,104 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 15:11:29,105 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 15:11:29,105 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 15:11:29,105 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 15:11:29,105 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 15:11:29,105 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-13 15:11:29,105 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-13 15:11:29,106 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 [2018-04-13 15:11:29,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 15:11:29,148 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 15:11:29,152 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 15:11:29,153 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 15:11:29,154 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 15:11:29,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,448 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG452d25f66 [2018-04-13 15:11:29,574 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 15:11:29,574 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 15:11:29,574 INFO L168 CDTParser]: Scanning test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,581 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 15:11:29,581 INFO L215 ultiparseSymbolTable]: [2018-04-13 15:11:29,581 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 15:11:29,582 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,582 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 15:11:29,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____rlim_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__key_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_mutex_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__caddr_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__mode_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____fsfilcnt_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_mutexattr_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____u_short in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_int in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____suseconds_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____time_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__int8_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_rwlock_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__lldiv_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__uid_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____socklen_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____uint32_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__ino_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____mode_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____fsblkcnt_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__blksize_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__int16_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____fsfilcnt64_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__div_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____intptr_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__time_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_key_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__size_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__off_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____swblk_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__register_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_barrierattr_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____caddr_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_short in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__ldiv_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__ulong in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____int64_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_quad_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__gid_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pid_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__daddr_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__fd_set in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_int64_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_condattr_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____dev_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____rlim64_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____blksize_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____uint16_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____qaddr_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__clock_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____clock_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____int8_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____loff_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__fsid_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____blkcnt_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____sigset_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__fd_mask in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_spinlock_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____WAIT_STATUS in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__suseconds_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____daddr_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__int64_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____uint8_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____u_quad_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____key_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____ino_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____pid_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____ino64_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_long in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_barrier_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____quad_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__loff_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____fsid_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__ushort in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__uint in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__wchar_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____useconds_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__id_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____clockid_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____int16_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____u_long in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__dev_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_once_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____u_int in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__quad_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__blkcnt_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_char in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_int16_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_cond_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_int32_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____fsblkcnt64_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__timer_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____uint64_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,590 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____pthread_list_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__sigset_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____off64_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_attr_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____blkcnt64_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_rwlockattr_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__nlink_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____u_char in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____uid_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__ssize_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__int32_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__fsfilcnt_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____id_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____ssize_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____gid_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____off_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____sig_atomic_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____nlink_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____timer_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__clockid_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__fsblkcnt_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,591 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____fd_mask in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,592 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____int32_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,592 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,592 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_int8_t in test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:29,604 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG452d25f66 [2018-04-13 15:11:29,607 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 15:11:29,608 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 15:11:29,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 15:11:29,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 15:11:29,613 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 15:11:29,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 03:11:29" (1/1) ... [2018-04-13 15:11:29,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ddf45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:11:29, skipping insertion in model container [2018-04-13 15:11:29,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 03:11:29" (1/1) ... [2018-04-13 15:11:29,631 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 15:11:29,656 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 15:11:29,809 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 15:11:29,849 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 15:11:29,854 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-13 15:11:29,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:11:29 WrapperNode [2018-04-13 15:11:29,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 15:11:29,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 15:11:29,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 15:11:29,892 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 15:11:29,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:11:29" (1/1) ... [2018-04-13 15:11:29,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:11:29" (1/1) ... [2018-04-13 15:11:29,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:11:29" (1/1) ... [2018-04-13 15:11:29,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:11:29" (1/1) ... [2018-04-13 15:11:29,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:11:29" (1/1) ... [2018-04-13 15:11:29,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:11:29" (1/1) ... [2018-04-13 15:11:29,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:11:29" (1/1) ... [2018-04-13 15:11:29,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 15:11:29,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 15:11:29,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 15:11:29,943 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 15:11:29,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:11:29" (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 [2018-04-13 15:11:30,031 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 15:11:30,031 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 15:11:30,031 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 15:11:30,031 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-13 15:11:30,031 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-13 15:11:30,031 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-13 15:11:30,031 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-13 15:11:30,032 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-13 15:11:30,032 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-13 15:11:30,032 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-13 15:11:30,032 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-13 15:11:30,032 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-13 15:11:30,032 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-13 15:11:30,032 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-13 15:11:30,032 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-13 15:11:30,032 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-13 15:11:30,032 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-13 15:11:30,032 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-13 15:11:30,032 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-13 15:11:30,033 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-13 15:11:30,033 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-13 15:11:30,033 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-13 15:11:30,033 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-13 15:11:30,033 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-13 15:11:30,033 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-13 15:11:30,033 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-13 15:11:30,033 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-13 15:11:30,033 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-13 15:11:30,034 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-13 15:11:30,034 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-13 15:11:30,034 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-13 15:11:30,034 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-13 15:11:30,034 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-13 15:11:30,034 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-13 15:11:30,034 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-13 15:11:30,034 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-13 15:11:30,034 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-13 15:11:30,034 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-13 15:11:30,035 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-13 15:11:30,035 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-13 15:11:30,035 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-13 15:11:30,035 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-13 15:11:30,035 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-13 15:11:30,035 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-13 15:11:30,035 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-13 15:11:30,035 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-13 15:11:30,035 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-13 15:11:30,035 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-13 15:11:30,036 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-13 15:11:30,036 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-13 15:11:30,036 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-13 15:11:30,036 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-13 15:11:30,036 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-13 15:11:30,036 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-13 15:11:30,036 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-13 15:11:30,036 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-13 15:11:30,036 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-13 15:11:30,036 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-13 15:11:30,037 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-13 15:11:30,037 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-13 15:11:30,037 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-13 15:11:30,037 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-13 15:11:30,037 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-13 15:11:30,037 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-13 15:11:30,037 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-13 15:11:30,037 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-13 15:11:30,037 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-13 15:11:30,037 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-13 15:11:30,037 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-13 15:11:30,038 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-13 15:11:30,038 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-13 15:11:30,038 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-13 15:11:30,038 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-13 15:11:30,038 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-13 15:11:30,038 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-13 15:11:30,038 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-13 15:11:30,038 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-13 15:11:30,038 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-13 15:11:30,038 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-13 15:11:30,039 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-13 15:11:30,039 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-13 15:11:30,039 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-13 15:11:30,039 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-13 15:11:30,039 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-13 15:11:30,039 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-13 15:11:30,039 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-13 15:11:30,039 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-13 15:11:30,039 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-13 15:11:30,039 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-13 15:11:30,040 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-13 15:11:30,040 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-13 15:11:30,040 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-13 15:11:30,040 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-13 15:11:30,040 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-13 15:11:30,040 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-13 15:11:30,040 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-13 15:11:30,040 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-13 15:11:30,040 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-13 15:11:30,040 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-13 15:11:30,041 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-13 15:11:30,041 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-13 15:11:30,041 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-13 15:11:30,041 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-13 15:11:30,041 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-13 15:11:30,041 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-13 15:11:30,041 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-13 15:11:30,041 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 15:11:30,041 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 15:11:30,041 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-13 15:11:30,042 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-13 15:11:30,042 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-13 15:11:30,042 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 15:11:30,042 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-13 15:11:30,042 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 15:11:30,042 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 15:11:30,042 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-13 15:11:30,484 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 15:11:30,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 03:11:30 BoogieIcfgContainer [2018-04-13 15:11:30,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 15:11:30,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 15:11:30,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 15:11:30,488 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 15:11:30,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 03:11:29" (1/3) ... [2018-04-13 15:11:30,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640b1af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 03:11:30, skipping insertion in model container [2018-04-13 15:11:30,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:11:29" (2/3) ... [2018-04-13 15:11:30,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640b1af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 03:11:30, skipping insertion in model container [2018-04-13 15:11:30,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 03:11:30" (3/3) ... [2018-04-13 15:11:30,491 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0513_1_true-valid-memsafety.i [2018-04-13 15:11:30,497 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-13 15:11:30,502 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-04-13 15:11:30,531 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 15:11:30,532 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 15:11:30,532 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 15:11:30,532 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-13 15:11:30,532 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-13 15:11:30,532 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 15:11:30,532 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 15:11:30,532 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 15:11:30,533 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 15:11:30,533 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 15:11:30,544 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2018-04-13 15:11:30,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-13 15:11:30,551 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:11:30,551 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:11:30,551 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr32AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 15:11:30,554 INFO L82 PathProgramCache]: Analyzing trace with hash -193452547, 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 [2018-04-13 15:11:30,561 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:11:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:30,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:30,620 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:11:30,620 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 15:11:30,621 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:11:30,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:30,622 INFO L182 omatonBuilderFactory]: Interpolants [164#true, 165#false, 169#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-13 15:11:30,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:30,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-13 15:11:30,632 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-13 15:11:30,632 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 15:11:30,633 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 3 states. [2018-04-13 15:11:30,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:11:30,899 INFO L93 Difference]: Finished difference Result 209 states and 227 transitions. [2018-04-13 15:11:30,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-13 15:11:30,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-04-13 15:11:30,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:11:30,909 INFO L225 Difference]: With dead ends: 209 [2018-04-13 15:11:30,909 INFO L226 Difference]: Without dead ends: 205 [2018-04-13 15:11:30,910 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 [2018-04-13 15:11:30,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-04-13 15:11:30,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 163. [2018-04-13 15:11:30,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-04-13 15:11:30,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 179 transitions. [2018-04-13 15:11:30,947 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 179 transitions. Word has length 9 [2018-04-13 15:11:30,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:11:30,948 INFO L459 AbstractCegarLoop]: Abstraction has 163 states and 179 transitions. [2018-04-13 15:11:30,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-13 15:11:30,948 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 179 transitions. [2018-04-13 15:11:30,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-13 15:11:30,948 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:11:30,949 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:11:30,949 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr32AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 15:11:30,949 INFO L82 PathProgramCache]: Analyzing trace with hash 622902551, 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 [2018-04-13 15:11:30,952 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:11:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:30,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:31,001 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:11:31,001 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 15:11:31,001 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:11:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:31,001 INFO L182 omatonBuilderFactory]: Interpolants [547#(and (= main_~data~0.offset 0) (= main_~data~0.base 0)), 548#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 542#true, 543#false] [2018-04-13 15:11:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:31,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 15:11:31,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 15:11:31,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 15:11:31,003 INFO L87 Difference]: Start difference. First operand 163 states and 179 transitions. Second operand 4 states. [2018-04-13 15:11:31,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:11:31,255 INFO L93 Difference]: Finished difference Result 186 states and 203 transitions. [2018-04-13 15:11:31,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 15:11:31,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-13 15:11:31,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:11:31,256 INFO L225 Difference]: With dead ends: 186 [2018-04-13 15:11:31,257 INFO L226 Difference]: Without dead ends: 185 [2018-04-13 15:11:31,257 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 [2018-04-13 15:11:31,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-04-13 15:11:31,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 175. [2018-04-13 15:11:31,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-04-13 15:11:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 201 transitions. [2018-04-13 15:11:31,264 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 201 transitions. Word has length 13 [2018-04-13 15:11:31,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:11:31,264 INFO L459 AbstractCegarLoop]: Abstraction has 175 states and 201 transitions. [2018-04-13 15:11:31,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 15:11:31,265 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 201 transitions. [2018-04-13 15:11:31,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-13 15:11:31,265 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:11:31,265 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:11:31,265 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr32AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 15:11:31,265 INFO L82 PathProgramCache]: Analyzing trace with hash 2129799244, 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 [2018-04-13 15:11:31,267 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:11:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:31,275 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-13 15:11:31,277 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:11:31,277 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:11:31,278 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:11:31,278 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:11:31,298 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 [2018-04-13 15:11:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:31,439 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:11:31,439 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 15:11:31,439 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:11:31,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:31,440 INFO L182 omatonBuilderFactory]: Interpolants [912#true, 913#false, 917#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 918#(= 1 (select |#valid| |main_#t~malloc3.base|)), 919#(= 1 (select |#valid| main_~item~0.base)), 920#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-13 15:11:31,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:31,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 15:11:31,440 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 15:11:31,440 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-13 15:11:31,440 INFO L87 Difference]: Start difference. First operand 175 states and 201 transitions. Second operand 6 states. [2018-04-13 15:11:31,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:11:31,830 INFO L93 Difference]: Finished difference Result 282 states and 314 transitions. [2018-04-13 15:11:31,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 15:11:31,830 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-04-13 15:11:31,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:11:31,832 INFO L225 Difference]: With dead ends: 282 [2018-04-13 15:11:31,833 INFO L226 Difference]: Without dead ends: 282 [2018-04-13 15:11:31,833 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-04-13 15:11:31,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-04-13 15:11:31,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 181. [2018-04-13 15:11:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-04-13 15:11:31,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 208 transitions. [2018-04-13 15:11:31,845 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 208 transitions. Word has length 14 [2018-04-13 15:11:31,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:11:31,845 INFO L459 AbstractCegarLoop]: Abstraction has 181 states and 208 transitions. [2018-04-13 15:11:31,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 15:11:31,845 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 208 transitions. [2018-04-13 15:11:31,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-13 15:11:31,846 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:11:31,846 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:11:31,846 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr32AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 15:11:31,847 INFO L82 PathProgramCache]: Analyzing trace with hash 2129799245, 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 [2018-04-13 15:11:31,850 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:11:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:31,862 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-13 15:11:31,865 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:11:31,865 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:11:31,865 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:11:31,866 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:11:31,873 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 [2018-04-13 15:11:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:31,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:31,920 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:11:31,920 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 15:11:31,920 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:11:31,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:31,921 INFO L182 omatonBuilderFactory]: Interpolants [1393#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 1394#(and (= 8 (select |#length| |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)), 1395#(and (<= 0 main_~item~0.offset) (<= (+ main_~item~0.offset 4) (select |#length| main_~item~0.base))), 1396#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1388#true, 1389#false] [2018-04-13 15:11:31,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:31,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 15:11:31,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 15:11:31,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-13 15:11:31,923 INFO L87 Difference]: Start difference. First operand 181 states and 208 transitions. Second operand 6 states. [2018-04-13 15:11:32,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:11:32,250 INFO L93 Difference]: Finished difference Result 319 states and 361 transitions. [2018-04-13 15:11:32,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 15:11:32,250 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-04-13 15:11:32,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:11:32,251 INFO L225 Difference]: With dead ends: 319 [2018-04-13 15:11:32,252 INFO L226 Difference]: Without dead ends: 319 [2018-04-13 15:11:32,252 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 [2018-04-13 15:11:32,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-04-13 15:11:32,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 181. [2018-04-13 15:11:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-04-13 15:11:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 206 transitions. [2018-04-13 15:11:32,270 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 206 transitions. Word has length 14 [2018-04-13 15:11:32,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:11:32,270 INFO L459 AbstractCegarLoop]: Abstraction has 181 states and 206 transitions. [2018-04-13 15:11:32,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 15:11:32,270 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 206 transitions. [2018-04-13 15:11:32,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-13 15:11:32,271 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:11:32,271 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:11:32,271 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr32AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 15:11:32,271 INFO L82 PathProgramCache]: Analyzing trace with hash -2107909750, 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 [2018-04-13 15:11:32,279 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:11:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:32,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:32,334 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:11:32,334 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 15:11:32,335 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:11:32,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:32,335 INFO L182 omatonBuilderFactory]: Interpolants [1906#(< main_~c1~0 5), 1907#|main_#t~short1|, 1908#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1901#true, 1902#false] [2018-04-13 15:11:32,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:32,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 15:11:32,336 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 15:11:32,336 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 15:11:32,336 INFO L87 Difference]: Start difference. First operand 181 states and 206 transitions. Second operand 5 states. [2018-04-13 15:11:32,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:11:32,580 INFO L93 Difference]: Finished difference Result 322 states and 363 transitions. [2018-04-13 15:11:32,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 15:11:32,581 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-13 15:11:32,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:11:32,582 INFO L225 Difference]: With dead ends: 322 [2018-04-13 15:11:32,582 INFO L226 Difference]: Without dead ends: 322 [2018-04-13 15:11:32,582 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-13 15:11:32,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2018-04-13 15:11:32,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 197. [2018-04-13 15:11:32,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-04-13 15:11:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 236 transitions. [2018-04-13 15:11:32,586 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 236 transitions. Word has length 14 [2018-04-13 15:11:32,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:11:32,586 INFO L459 AbstractCegarLoop]: Abstraction has 197 states and 236 transitions. [2018-04-13 15:11:32,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 15:11:32,586 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 236 transitions. [2018-04-13 15:11:32,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-13 15:11:32,586 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:11:32,586 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:11:32,586 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr32AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 15:11:32,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1962326610, 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 [2018-04-13 15:11:32,595 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:11:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:32,603 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-13 15:11:32,605 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:11:32,605 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:11:32,605 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:11:32,605 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:11:32,615 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 [2018-04-13 15:11:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:32,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:32,653 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:11:32,653 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 15:11:32,653 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:11:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:32,653 INFO L182 omatonBuilderFactory]: Interpolants [2434#true, 2435#false, 2439#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 2440#(and (= 8 (select |#length| |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)), 2441#(and (<= 0 (+ main_~item~0.offset 4)) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base))), 2442#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-13 15:11:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:32,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 15:11:32,654 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 15:11:32,654 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-13 15:11:32,654 INFO L87 Difference]: Start difference. First operand 197 states and 236 transitions. Second operand 6 states. [2018-04-13 15:11:32,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:11:32,934 INFO L93 Difference]: Finished difference Result 224 states and 258 transitions. [2018-04-13 15:11:32,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 15:11:32,935 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-04-13 15:11:32,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:11:32,936 INFO L225 Difference]: With dead ends: 224 [2018-04-13 15:11:32,936 INFO L226 Difference]: Without dead ends: 224 [2018-04-13 15:11:32,936 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 [2018-04-13 15:11:32,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-04-13 15:11:32,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 194. [2018-04-13 15:11:32,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-04-13 15:11:32,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 227 transitions. [2018-04-13 15:11:32,941 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 227 transitions. Word has length 16 [2018-04-13 15:11:32,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:11:32,941 INFO L459 AbstractCegarLoop]: Abstraction has 194 states and 227 transitions. [2018-04-13 15:11:32,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 15:11:32,942 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 227 transitions. [2018-04-13 15:11:32,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-13 15:11:32,942 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:11:32,942 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:11:32,942 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr32AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 15:11:32,943 INFO L82 PathProgramCache]: Analyzing trace with hash -128321881, 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 [2018-04-13 15:11:32,947 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:11:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:32,994 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:11:32,994 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 15:11:32,994 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:11:32,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:32,995 INFO L182 omatonBuilderFactory]: Interpolants [2865#true, 2866#false, 2870#(= 0 main_~c1~0), 2871#(< main_~c1~0 6), 2872#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-13 15:11:32,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:32,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 15:11:32,995 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 15:11:32,995 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-13 15:11:32,995 INFO L87 Difference]: Start difference. First operand 194 states and 227 transitions. Second operand 5 states. [2018-04-13 15:11:33,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:11:33,196 INFO L93 Difference]: Finished difference Result 332 states and 378 transitions. [2018-04-13 15:11:33,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 15:11:33,196 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-13 15:11:33,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:11:33,198 INFO L225 Difference]: With dead ends: 332 [2018-04-13 15:11:33,198 INFO L226 Difference]: Without dead ends: 332 [2018-04-13 15:11:33,198 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-04-13 15:11:33,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-04-13 15:11:33,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 194. [2018-04-13 15:11:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-04-13 15:11:33,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 226 transitions. [2018-04-13 15:11:33,203 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 226 transitions. Word has length 21 [2018-04-13 15:11:33,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:11:33,203 INFO L459 AbstractCegarLoop]: Abstraction has 194 states and 226 transitions. [2018-04-13 15:11:33,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 15:11:33,204 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 226 transitions. [2018-04-13 15:11:33,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-13 15:11:33,204 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:11:33,204 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] [2018-04-13 15:11:33,204 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr32AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 15:11:33,204 INFO L82 PathProgramCache]: Analyzing trace with hash 168257912, 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 [2018-04-13 15:11:33,208 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:11:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:33,260 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:11:33,261 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 15:11:33,261 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:11:33,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:33,261 INFO L182 omatonBuilderFactory]: Interpolants [3408#(= 0 main_~c1~0), 3409#(< main_~c1~0 4), 3410#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 3403#true, 3404#false] [2018-04-13 15:11:33,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:33,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 15:11:33,262 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 15:11:33,262 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-13 15:11:33,262 INFO L87 Difference]: Start difference. First operand 194 states and 226 transitions. Second operand 5 states. [2018-04-13 15:11:33,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:11:33,453 INFO L93 Difference]: Finished difference Result 313 states and 344 transitions. [2018-04-13 15:11:33,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 15:11:33,454 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-04-13 15:11:33,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:11:33,455 INFO L225 Difference]: With dead ends: 313 [2018-04-13 15:11:33,455 INFO L226 Difference]: Without dead ends: 313 [2018-04-13 15:11:33,456 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-04-13 15:11:33,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-04-13 15:11:33,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 188. [2018-04-13 15:11:33,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-04-13 15:11:33,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 217 transitions. [2018-04-13 15:11:33,460 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 217 transitions. Word has length 22 [2018-04-13 15:11:33,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:11:33,460 INFO L459 AbstractCegarLoop]: Abstraction has 188 states and 217 transitions. [2018-04-13 15:11:33,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 15:11:33,460 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 217 transitions. [2018-04-13 15:11:33,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-13 15:11:33,461 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:11:33,461 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:11:33,461 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr32AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 15:11:33,461 INFO L82 PathProgramCache]: Analyzing trace with hash -2042365728, 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 [2018-04-13 15:11:33,464 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:11:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:33,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:33,522 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:11:33,522 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 15:11:33,522 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:11:33,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:33,522 INFO L182 omatonBuilderFactory]: Interpolants [3921#(= 0 main_~c1~0), 3922#(< main_~c1~0 2), 3923#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 3916#true, 3917#false] [2018-04-13 15:11:33,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:33,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 15:11:33,523 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 15:11:33,523 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-13 15:11:33,523 INFO L87 Difference]: Start difference. First operand 188 states and 217 transitions. Second operand 5 states. [2018-04-13 15:11:33,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:11:33,694 INFO L93 Difference]: Finished difference Result 329 states and 370 transitions. [2018-04-13 15:11:33,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 15:11:33,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-13 15:11:33,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:11:33,700 INFO L225 Difference]: With dead ends: 329 [2018-04-13 15:11:33,700 INFO L226 Difference]: Without dead ends: 329 [2018-04-13 15:11:33,700 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-04-13 15:11:33,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-04-13 15:11:33,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 188. [2018-04-13 15:11:33,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-04-13 15:11:33,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 216 transitions. [2018-04-13 15:11:33,702 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 216 transitions. Word has length 23 [2018-04-13 15:11:33,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:11:33,703 INFO L459 AbstractCegarLoop]: Abstraction has 188 states and 216 transitions. [2018-04-13 15:11:33,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 15:11:33,703 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 216 transitions. [2018-04-13 15:11:33,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-13 15:11:33,703 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:11:33,703 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:11:33,703 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr32AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 15:11:33,704 INFO L82 PathProgramCache]: Analyzing trace with hash -913613743, 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 [2018-04-13 15:11:33,706 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:11:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:33,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:33,745 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:11:33,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 15:11:33,746 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:11:33,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:33,746 INFO L182 omatonBuilderFactory]: Interpolants [4450#(= 1 (select |#valid| |main_#t~malloc4.base|)), 4451#(= 1 (select |#valid| main_~lItem~0.base)), 4452#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 4445#true, 4446#false] [2018-04-13 15:11:33,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:33,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 15:11:33,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 15:11:33,746 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 15:11:33,746 INFO L87 Difference]: Start difference. First operand 188 states and 216 transitions. Second operand 5 states. [2018-04-13 15:11:33,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:11:33,922 INFO L93 Difference]: Finished difference Result 226 states and 251 transitions. [2018-04-13 15:11:33,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 15:11:33,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-04-13 15:11:33,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:11:33,924 INFO L225 Difference]: With dead ends: 226 [2018-04-13 15:11:33,924 INFO L226 Difference]: Without dead ends: 226 [2018-04-13 15:11:33,924 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 [2018-04-13 15:11:33,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-04-13 15:11:33,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 184. [2018-04-13 15:11:33,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-04-13 15:11:33,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 209 transitions. [2018-04-13 15:11:33,926 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 209 transitions. Word has length 24 [2018-04-13 15:11:33,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:11:33,926 INFO L459 AbstractCegarLoop]: Abstraction has 184 states and 209 transitions. [2018-04-13 15:11:33,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 15:11:33,926 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 209 transitions. [2018-04-13 15:11:33,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-13 15:11:33,927 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:11:33,927 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:11:33,927 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr32AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 15:11:33,927 INFO L82 PathProgramCache]: Analyzing trace with hash -913613742, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-13 15:11:33,930 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:11:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:33,966 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:11:33,966 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 15:11:33,967 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:11:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:33,967 INFO L182 omatonBuilderFactory]: Interpolants [4865#true, 4866#false, 4870#(and (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 4871#(and (<= 0 main_~lItem~0.offset) (<= (+ main_~lItem~0.offset 4) (select |#length| main_~lItem~0.base))), 4872#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-13 15:11:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:33,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 15:11:33,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 15:11:33,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 15:11:33,967 INFO L87 Difference]: Start difference. First operand 184 states and 209 transitions. Second operand 5 states. [2018-04-13 15:11:34,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:11:34,153 INFO L93 Difference]: Finished difference Result 235 states and 261 transitions. [2018-04-13 15:11:34,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 15:11:34,153 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-04-13 15:11:34,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:11:34,154 INFO L225 Difference]: With dead ends: 235 [2018-04-13 15:11:34,154 INFO L226 Difference]: Without dead ends: 235 [2018-04-13 15:11:34,154 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 [2018-04-13 15:11:34,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-04-13 15:11:34,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 182. [2018-04-13 15:11:34,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-04-13 15:11:34,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 205 transitions. [2018-04-13 15:11:34,158 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 205 transitions. Word has length 24 [2018-04-13 15:11:34,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:11:34,159 INFO L459 AbstractCegarLoop]: Abstraction has 182 states and 205 transitions. [2018-04-13 15:11:34,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 15:11:34,159 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 205 transitions. [2018-04-13 15:11:34,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-13 15:11:34,159 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:11:34,159 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:11:34,159 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr32AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 15:11:34,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1809477100, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-13 15:11:34,168 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:11:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:34,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:34,232 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:11:34,232 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 15:11:34,232 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:11:34,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:34,232 INFO L182 omatonBuilderFactory]: Interpolants [5297#(and (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 5298#(and (<= 0 (+ main_~lItem~0.offset 4)) (<= (+ main_~lItem~0.offset 8) (select |#length| main_~lItem~0.base))), 5299#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 5292#true, 5293#false] [2018-04-13 15:11:34,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:34,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 15:11:34,232 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 15:11:34,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 15:11:34,233 INFO L87 Difference]: Start difference. First operand 182 states and 205 transitions. Second operand 5 states. [2018-04-13 15:11:34,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:11:34,409 INFO L93 Difference]: Finished difference Result 181 states and 203 transitions. [2018-04-13 15:11:34,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 15:11:34,409 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-04-13 15:11:34,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:11:34,410 INFO L225 Difference]: With dead ends: 181 [2018-04-13 15:11:34,410 INFO L226 Difference]: Without dead ends: 181 [2018-04-13 15:11:34,410 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 [2018-04-13 15:11:34,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-04-13 15:11:34,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-04-13 15:11:34,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-04-13 15:11:34,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 203 transitions. [2018-04-13 15:11:34,413 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 203 transitions. Word has length 26 [2018-04-13 15:11:34,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:11:34,413 INFO L459 AbstractCegarLoop]: Abstraction has 181 states and 203 transitions. [2018-04-13 15:11:34,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 15:11:34,413 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 203 transitions. [2018-04-13 15:11:34,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-13 15:11:34,414 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:11:34,414 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:11:34,414 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr32AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 15:11:34,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1392486191, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-13 15:11:34,417 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:11:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:34,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:34,468 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:11:34,469 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-13 15:11:34,469 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:11:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:34,469 INFO L182 omatonBuilderFactory]: Interpolants [5664#true, 5665#false, 5669#(not (= 0 |main_#t~malloc4.base|)), 5670#(not (= 0 main_~lItem~0.base)), 5671#(not (= 0 main_~data~0.base)), 5672#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-13 15:11:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:11:34,469 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 15:11:34,469 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 15:11:34,469 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-13 15:11:34,469 INFO L87 Difference]: Start difference. First operand 181 states and 203 transitions. Second operand 6 states. [2018-04-13 15:11:34,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:11:34,626 INFO L93 Difference]: Finished difference Result 289 states and 319 transitions. [2018-04-13 15:11:34,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 15:11:34,626 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-04-13 15:11:34,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:11:34,627 INFO L225 Difference]: With dead ends: 289 [2018-04-13 15:11:34,627 INFO L226 Difference]: Without dead ends: 289 [2018-04-13 15:11:34,628 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 [2018-04-13 15:11:34,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-04-13 15:11:34,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 179. [2018-04-13 15:11:34,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-04-13 15:11:34,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 198 transitions. [2018-04-13 15:11:34,630 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 198 transitions. Word has length 33 [2018-04-13 15:11:34,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:11:34,630 INFO L459 AbstractCegarLoop]: Abstraction has 179 states and 198 transitions. [2018-04-13 15:11:34,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 15:11:34,630 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 198 transitions. [2018-04-13 15:11:34,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-13 15:11:34,631 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:11:34,631 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:11:34,631 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr32AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 15:11:34,631 INFO L82 PathProgramCache]: Analyzing trace with hash 217395028, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-13 15:11:34,638 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:11:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:11:34,682 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 136 column 416: 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) [2018-04-13 15:11:34,685 INFO L168 Benchmark]: Toolchain (without parser) took 5077.11 ms. Allocated memory was 402.1 MB in the beginning and 718.8 MB in the end (delta: 316.7 MB). Free memory was 338.2 MB in the beginning and 607.5 MB in the end (delta: -269.3 MB). Peak memory consumption was 47.4 MB. Max. memory is 5.3 GB. [2018-04-13 15:11:34,686 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 402.1 MB. Free memory is still 365.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 15:11:34,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.62 ms. Allocated memory is still 402.1 MB. Free memory was 338.2 MB in the beginning and 311.8 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. [2018-04-13 15:11:34,687 INFO L168 Benchmark]: Boogie Preprocessor took 50.49 ms. Allocated memory is still 402.1 MB. Free memory was 311.8 MB in the beginning and 309.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-13 15:11:34,687 INFO L168 Benchmark]: RCFGBuilder took 541.83 ms. Allocated memory was 402.1 MB in the beginning and 610.3 MB in the end (delta: 208.1 MB). Free memory was 309.1 MB in the beginning and 525.2 MB in the end (delta: -216.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB. [2018-04-13 15:11:34,688 INFO L168 Benchmark]: TraceAbstraction took 4199.21 ms. Allocated memory was 610.3 MB in the beginning and 718.8 MB in the end (delta: 108.5 MB). Free memory was 523.4 MB in the beginning and 607.5 MB in the end (delta: -84.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. [2018-04-13 15:11:34,690 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 402.1 MB. Free memory is still 365.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 282.62 ms. Allocated memory is still 402.1 MB. Free memory was 338.2 MB in the beginning and 311.8 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 50.49 ms. Allocated memory is still 402.1 MB. Free memory was 311.8 MB in the beginning and 309.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 541.83 ms. Allocated memory was 402.1 MB in the beginning and 610.3 MB in the end (delta: 208.1 MB). Free memory was 309.1 MB in the beginning and 525.2 MB in the end (delta: -216.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4199.21 ms. Allocated memory was 610.3 MB in the beginning and 718.8 MB in the end (delta: 108.5 MB). Free memory was 523.4 MB in the beginning and 607.5 MB in the end (delta: -84.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 136 column 416: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 136 column 416: 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_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_15-11-34-698.csv Received shutdown request...