java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/length_test03_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 18:26:25,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 18:26:25,497 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 18:26:25,509 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 18:26:25,509 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 18:26:25,510 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 18:26:25,511 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 18:26:25,512 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 18:26:25,514 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 18:26:25,514 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 18:26:25,515 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 18:26:25,515 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 18:26:25,516 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 18:26:25,517 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 18:26:25,518 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 18:26:25,519 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 18:26:25,521 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 18:26:25,522 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 18:26:25,523 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 18:26:25,524 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 18:26:25,525 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 18:26:25,525 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 18:26:25,526 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 18:26:25,526 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 18:26:25,527 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 18:26:25,528 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 18:26:25,528 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 18:26:25,529 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 18:26:25,529 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 18:26:25,529 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 18:26:25,530 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 18:26:25,530 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-04-11 18:26:25,550 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 18:26:25,550 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 18:26:25,551 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 18:26:25,551 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 18:26:25,552 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 18:26:25,552 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 18:26:25,552 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 18:26:25,552 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 18:26:25,552 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 18:26:25,552 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 18:26:25,552 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 18:26:25,553 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 18:26:25,553 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 18:26:25,553 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 18:26:25,553 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 18:26:25,553 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 18:26:25,553 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 18:26:25,553 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 18:26:25,553 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 18:26:25,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:26:25,554 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 18:26:25,554 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-11 18:26:25,554 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-11 18:26:25,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 18:26:25,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 18:26:25,593 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 18:26:25,597 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 18:26:25,599 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 18:26:25,599 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 18:26:25,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/length_test03_true-valid-memsafety.i [2018-04-11 18:26:25,975 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5413438a9 [2018-04-11 18:26:26,104 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 18:26:26,104 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 18:26:26,105 INFO L168 CDTParser]: Scanning length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,116 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 18:26:26,116 INFO L215 ultiparseSymbolTable]: [2018-04-11 18:26:26,117 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 18:26:26,117 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___true_valid_memsafety_i__append ('append') in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,117 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___true_valid_memsafety_i____bswap_64 ('__bswap_64') in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,117 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,117 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___true_valid_memsafety_i____bswap_32 ('__bswap_32') in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,117 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 18:26:26,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__nlink_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fd_mask in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__wchar_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_attr_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____sig_atomic_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_once_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int8_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__dev_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,117 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_condattr_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__id_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_int in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____clock_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__timer_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__clockid_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fsid_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____int8_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_spinlock_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____nlink_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____sigset_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__suseconds_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____blkcnt64_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uint64_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__gid_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ssize_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fd_mask in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_short in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,118 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__uint in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_long in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uid_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pid_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsword_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____ino64_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uint16_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__int8_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__daddr_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__clock_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____syscall_slong_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____loff_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____blkcnt_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__register_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__int64_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____daddr_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsfilcnt_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,119 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_barrierattr_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ldiv_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_quad_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ushort in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_mutex_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____time_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int64_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____useconds_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsfilcnt64_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__loff_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____key_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ino_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uint8_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____int64_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____qaddr_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__int16_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__blksize_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_char in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____blksize_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,120 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_key_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_rwlock_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__lldiv_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____dev_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsblkcnt_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__uid_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____rlim64_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uint32_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fsblkcnt_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__time_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__div_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____int32_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____id_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____syscall_ulong_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ulong in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__mode_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,121 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__sigset_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,122 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____pthread_slist_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,122 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int32_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,122 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_short in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,122 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__caddr_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,122 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__key_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,122 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_rwlockattr_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,122 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____caddr_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,122 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fd_set in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,122 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____off_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,122 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____quad_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,122 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____mode_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,122 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fsfilcnt_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,123 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsid_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,123 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____gid_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,123 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__int32_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,123 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____pid_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,123 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____ssize_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,123 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____socklen_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,123 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_mutexattr_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,123 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____ino_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,123 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__off_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,123 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____timer_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,123 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_long in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,124 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_cond_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,124 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____int16_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,124 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__size_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,124 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____intptr_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,124 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int16_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,124 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__blkcnt_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,124 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____rlim_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,124 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____clockid_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,124 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_char in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,124 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,124 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__quad_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,125 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsblkcnt64_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,125 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____off64_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,125 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____suseconds_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,125 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_barrier_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,125 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_quad_t in length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,137 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5413438a9 [2018-04-11 18:26:26,140 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 18:26:26,141 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 18:26:26,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 18:26:26,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 18:26:26,145 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 18:26:26,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:26:26" (1/1) ... [2018-04-11 18:26:26,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f18cecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:26, skipping insertion in model container [2018-04-11 18:26:26,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:26:26" (1/1) ... [2018-04-11 18:26:26,157 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:26:26,183 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:26:26,326 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:26:26,365 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:26:26,372 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 119 non ball SCCs. Number of states in SCCs 119. [2018-04-11 18:26:26,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:26 WrapperNode [2018-04-11 18:26:26,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 18:26:26,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 18:26:26,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 18:26:26,417 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 18:26:26,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:26" (1/1) ... [2018-04-11 18:26:26,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:26" (1/1) ... [2018-04-11 18:26:26,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:26" (1/1) ... [2018-04-11 18:26:26,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:26" (1/1) ... [2018-04-11 18:26:26,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:26" (1/1) ... [2018-04-11 18:26:26,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:26" (1/1) ... [2018-04-11 18:26:26,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:26" (1/1) ... [2018-04-11 18:26:26,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 18:26:26,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 18:26:26,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 18:26:26,458 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 18:26:26,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:26" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:26:26,540 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 18:26:26,540 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 18:26:26,540 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___true_valid_memsafety_i____bswap_32 [2018-04-11 18:26:26,540 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___true_valid_memsafety_i____bswap_64 [2018-04-11 18:26:26,540 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___true_valid_memsafety_i__append [2018-04-11 18:26:26,541 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 18:26:26,541 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 18:26:26,541 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 18:26:26,541 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 18:26:26,541 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 18:26:26,541 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 18:26:26,541 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 18:26:26,541 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 18:26:26,541 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 18:26:26,541 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 18:26:26,541 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 18:26:26,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 18:26:26,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 18:26:26,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 18:26:26,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 18:26:26,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 18:26:26,542 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 18:26:26,542 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 18:26:26,543 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___true_valid_memsafety_i____bswap_32 [2018-04-11 18:26:26,543 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___true_valid_memsafety_i____bswap_64 [2018-04-11 18:26:26,543 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 18:26:26,543 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 18:26:26,543 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 18:26:26,543 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 18:26:26,543 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 18:26:26,543 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 18:26:26,544 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 18:26:26,544 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 18:26:26,544 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 18:26:26,544 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 18:26:26,544 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 18:26:26,544 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 18:26:26,544 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 18:26:26,544 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 18:26:26,544 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 18:26:26,545 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 18:26:26,545 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 18:26:26,545 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 18:26:26,545 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 18:26:26,545 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 18:26:26,545 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 18:26:26,545 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 18:26:26,545 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 18:26:26,545 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 18:26:26,545 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 18:26:26,546 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 18:26:26,546 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 18:26:26,546 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 18:26:26,546 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 18:26:26,546 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 18:26:26,546 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 18:26:26,546 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 18:26:26,546 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 18:26:26,546 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 18:26:26,547 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 18:26:26,547 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 18:26:26,547 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 18:26:26,547 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 18:26:26,547 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 18:26:26,547 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 18:26:26,547 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 18:26:26,547 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 18:26:26,547 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-11 18:26:26,547 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 18:26:26,548 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 18:26:26,548 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-11 18:26:26,548 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 18:26:26,548 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 18:26:26,548 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-11 18:26:26,548 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 18:26:26,548 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 18:26:26,548 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 18:26:26,548 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 18:26:26,548 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 18:26:26,549 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 18:26:26,549 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 18:26:26,549 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 18:26:26,549 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 18:26:26,549 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 18:26:26,549 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 18:26:26,549 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 18:26:26,549 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 18:26:26,549 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 18:26:26,549 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 18:26:26,550 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 18:26:26,550 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 18:26:26,550 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 18:26:26,550 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 18:26:26,550 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 18:26:26,550 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 18:26:26,550 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 18:26:26,550 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 18:26:26,550 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 18:26:26,550 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 18:26:26,551 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 18:26:26,551 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 18:26:26,551 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 18:26:26,551 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 18:26:26,551 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 18:26:26,551 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 18:26:26,551 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 18:26:26,551 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 18:26:26,551 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 18:26:26,551 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 18:26:26,551 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 18:26:26,552 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 18:26:26,552 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 18:26:26,552 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-04-11 18:26:26,552 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 18:26:26,552 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___true_valid_memsafety_i__append [2018-04-11 18:26:26,552 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 18:26:26,552 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 18:26:26,552 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 18:26:26,552 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 18:26:26,553 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 18:26:26,553 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 18:26:26,553 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 18:26:26,553 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 18:26:26,553 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 18:26:26,553 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 18:26:26,980 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 18:26:26,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:26:26 BoogieIcfgContainer [2018-04-11 18:26:26,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 18:26:26,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 18:26:26,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 18:26:26,983 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 18:26:26,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 06:26:26" (1/3) ... [2018-04-11 18:26:26,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71462ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:26:26, skipping insertion in model container [2018-04-11 18:26:26,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:26" (2/3) ... [2018-04-11 18:26:26,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71462ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:26:26, skipping insertion in model container [2018-04-11 18:26:26,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:26:26" (3/3) ... [2018-04-11 18:26:26,986 INFO L107 eAbstractionObserver]: Analyzing ICFG length_test03_true-valid-memsafety.i [2018-04-11 18:26:26,991 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 18:26:26,999 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-04-11 18:26:27,024 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 18:26:27,024 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 18:26:27,024 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 18:26:27,024 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-11 18:26:27,024 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 18:26:27,024 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 18:26:27,024 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 18:26:27,024 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 18:26:27,024 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 18:26:27,025 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 18:26:27,035 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-04-11 18:26:27,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-11 18:26:27,041 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:27,042 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:27,042 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:27,045 INFO L82 PathProgramCache]: Analyzing trace with hash 785922242, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:27,054 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:27,078 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:26:27,088 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:27,089 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:27,089 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:27,089 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:27,124 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:26:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:27,174 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:27,174 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:26:27,175 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:27,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:27,175 INFO L182 omatonBuilderFactory]: Interpolants [147#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 148#(= 1 (select |#valid| |main_#t~malloc8.base|)), 149#(= 1 (select |#valid| main_~list~0.base)), 150#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 142#true, 143#false] [2018-04-11 18:26:27,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:27,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:26:27,183 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:26:27,183 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:26:27,184 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-04-11 18:26:27,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:27,520 INFO L93 Difference]: Finished difference Result 175 states and 184 transitions. [2018-04-11 18:26:27,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:26:27,522 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-04-11 18:26:27,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:27,534 INFO L225 Difference]: With dead ends: 175 [2018-04-11 18:26:27,534 INFO L226 Difference]: Without dead ends: 172 [2018-04-11 18:26:27,536 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-04-11 18:26:27,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-11 18:26:27,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 134. [2018-04-11 18:26:27,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-04-11 18:26:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 140 transitions. [2018-04-11 18:26:27,574 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 140 transitions. Word has length 8 [2018-04-11 18:26:27,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:27,574 INFO L459 AbstractCegarLoop]: Abstraction has 134 states and 140 transitions. [2018-04-11 18:26:27,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:26:27,575 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2018-04-11 18:26:27,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-11 18:26:27,575 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:27,575 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:27,575 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:27,575 INFO L82 PathProgramCache]: Analyzing trace with hash 785922243, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:27,585 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:27,593 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:26:27,595 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:27,596 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:27,596 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:27,596 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:27,602 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:26:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:27,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:27,666 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:27,666 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:26:27,666 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:27,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:27,667 INFO L182 omatonBuilderFactory]: Interpolants [464#true, 465#false, 469#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 470#(and (= 8 (select |#length| |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|)), 471#(and (<= (+ main_~list~0.offset 4) (select |#length| main_~list~0.base)) (<= 0 main_~list~0.offset)), 472#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:26:27,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:27,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:26:27,668 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:26:27,668 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:26:27,669 INFO L87 Difference]: Start difference. First operand 134 states and 140 transitions. Second operand 6 states. [2018-04-11 18:26:27,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:27,946 INFO L93 Difference]: Finished difference Result 135 states and 142 transitions. [2018-04-11 18:26:27,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:26:27,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-04-11 18:26:27,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:27,947 INFO L225 Difference]: With dead ends: 135 [2018-04-11 18:26:27,947 INFO L226 Difference]: Without dead ends: 135 [2018-04-11 18:26:27,948 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-04-11 18:26:27,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-11 18:26:27,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2018-04-11 18:26:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-04-11 18:26:27,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 139 transitions. [2018-04-11 18:26:27,954 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 139 transitions. Word has length 8 [2018-04-11 18:26:27,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:27,954 INFO L459 AbstractCegarLoop]: Abstraction has 133 states and 139 transitions. [2018-04-11 18:26:27,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:26:27,954 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2018-04-11 18:26:27,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-11 18:26:27,955 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:27,955 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:27,955 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:27,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1406214294, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:27,960 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:27,969 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:26:27,970 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:27,971 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:27,971 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:27,971 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:28,016 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:26:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:28,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:28,119 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:28,119 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:26:28,119 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:28,120 INFO L182 omatonBuilderFactory]: Interpolants [752#(and (<= (+ main_~list~0.offset 8) (select |#length| main_~list~0.base)) (<= 0 (+ main_~list~0.offset 4))), 753#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 745#true, 746#false, 750#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 751#(and (= 8 (select |#length| |main_#t~malloc8.base|)) (= 0 |main_#t~malloc8.offset|))] [2018-04-11 18:26:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:28,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:26:28,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:26:28,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:26:28,120 INFO L87 Difference]: Start difference. First operand 133 states and 139 transitions. Second operand 6 states. [2018-04-11 18:26:28,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:28,327 INFO L93 Difference]: Finished difference Result 134 states and 141 transitions. [2018-04-11 18:26:28,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:26:28,328 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-04-11 18:26:28,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:28,328 INFO L225 Difference]: With dead ends: 134 [2018-04-11 18:26:28,328 INFO L226 Difference]: Without dead ends: 134 [2018-04-11 18:26:28,329 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-04-11 18:26:28,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-11 18:26:28,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2018-04-11 18:26:28,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-04-11 18:26:28,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 138 transitions. [2018-04-11 18:26:28,335 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 138 transitions. Word has length 9 [2018-04-11 18:26:28,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:28,335 INFO L459 AbstractCegarLoop]: Abstraction has 132 states and 138 transitions. [2018-04-11 18:26:28,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:26:28,335 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2018-04-11 18:26:28,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 18:26:28,336 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:28,336 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:28,336 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:28,336 INFO L82 PathProgramCache]: Analyzing trace with hash 580924999, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:28,341 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:28,401 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:28,401 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:26:28,401 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:28,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:28,402 INFO L182 omatonBuilderFactory]: Interpolants [1024#true, 1025#false, 1029#(and (= 0 |main_#t~malloc9.offset|) (= 8 (select |#length| |main_#t~malloc9.base|))), 1030#(and (<= 0 main_~list2~0.offset) (<= (+ main_~list2~0.offset 4) (select |#length| main_~list2~0.base))), 1031#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:26:28,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:28,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:26:28,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:26:28,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:26:28,402 INFO L87 Difference]: Start difference. First operand 132 states and 138 transitions. Second operand 5 states. [2018-04-11 18:26:28,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:28,575 INFO L93 Difference]: Finished difference Result 133 states and 140 transitions. [2018-04-11 18:26:28,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 18:26:28,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-04-11 18:26:28,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:28,576 INFO L225 Difference]: With dead ends: 133 [2018-04-11 18:26:28,576 INFO L226 Difference]: Without dead ends: 133 [2018-04-11 18:26:28,576 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:26:28,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-04-11 18:26:28,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2018-04-11 18:26:28,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-04-11 18:26:28,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 137 transitions. [2018-04-11 18:26:28,581 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 137 transitions. Word has length 12 [2018-04-11 18:26:28,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:28,582 INFO L459 AbstractCegarLoop]: Abstraction has 131 states and 137 transitions. [2018-04-11 18:26:28,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:26:28,582 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 137 transitions. [2018-04-11 18:26:28,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 18:26:28,582 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:28,582 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:28,582 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:28,582 INFO L82 PathProgramCache]: Analyzing trace with hash 580924998, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:28,584 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:28,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:28,633 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:28,633 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:26:28,633 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:28,634 INFO L182 omatonBuilderFactory]: Interpolants [1298#true, 1299#false, 1303#(= 1 (select |#valid| |main_#t~malloc9.base|)), 1304#(= 1 (select |#valid| main_~list2~0.base)), 1305#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:26:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:28,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:26:28,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:26:28,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:26:28,635 INFO L87 Difference]: Start difference. First operand 131 states and 137 transitions. Second operand 5 states. [2018-04-11 18:26:28,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:28,782 INFO L93 Difference]: Finished difference Result 147 states and 155 transitions. [2018-04-11 18:26:28,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:26:28,782 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-04-11 18:26:28,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:28,783 INFO L225 Difference]: With dead ends: 147 [2018-04-11 18:26:28,783 INFO L226 Difference]: Without dead ends: 147 [2018-04-11 18:26:28,783 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:26:28,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-04-11 18:26:28,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 134. [2018-04-11 18:26:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-04-11 18:26:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 142 transitions. [2018-04-11 18:26:28,788 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 142 transitions. Word has length 12 [2018-04-11 18:26:28,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:28,788 INFO L459 AbstractCegarLoop]: Abstraction has 134 states and 142 transitions. [2018-04-11 18:26:28,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:26:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2018-04-11 18:26:28,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 18:26:28,789 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:28,789 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:28,789 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:28,789 INFO L82 PathProgramCache]: Analyzing trace with hash 828805742, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:28,791 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:28,829 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:28,829 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:26:28,829 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:28,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:28,830 INFO L182 omatonBuilderFactory]: Interpolants [1589#true, 1590#false, 1594#(and (= 0 |main_#t~malloc9.offset|) (= 8 (select |#length| |main_#t~malloc9.base|))), 1595#(and (<= 0 (+ main_~list2~0.offset 4)) (<= (+ main_~list2~0.offset 8) (select |#length| main_~list2~0.base))), 1596#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:26:28,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:28,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:26:28,830 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:26:28,830 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:26:28,830 INFO L87 Difference]: Start difference. First operand 134 states and 142 transitions. Second operand 5 states. [2018-04-11 18:26:28,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:28,959 INFO L93 Difference]: Finished difference Result 135 states and 144 transitions. [2018-04-11 18:26:28,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:26:28,959 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-04-11 18:26:28,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:28,960 INFO L225 Difference]: With dead ends: 135 [2018-04-11 18:26:28,960 INFO L226 Difference]: Without dead ends: 135 [2018-04-11 18:26:28,960 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:26:28,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-11 18:26:28,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2018-04-11 18:26:28,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-04-11 18:26:28,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 141 transitions. [2018-04-11 18:26:28,963 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 141 transitions. Word has length 13 [2018-04-11 18:26:28,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:28,963 INFO L459 AbstractCegarLoop]: Abstraction has 133 states and 141 transitions. [2018-04-11 18:26:28,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:26:28,963 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 141 transitions. [2018-04-11 18:26:28,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 18:26:28,963 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:28,963 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:28,964 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:28,964 INFO L82 PathProgramCache]: Analyzing trace with hash 606155154, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:28,966 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:28,974 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:26:28,976 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:28,976 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:28,976 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:28,976 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:28,979 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:26:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:28,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:29,005 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:29,005 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:26:29,005 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:29,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:29,006 INFO L182 omatonBuilderFactory]: Interpolants [1872#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 1873#(= 1 (select |#valid| |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base|)), 1874#(= 1 (select |#valid| __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base)), 1875#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1867#true, 1868#false] [2018-04-11 18:26:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:29,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:26:29,006 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:26:29,006 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:26:29,006 INFO L87 Difference]: Start difference. First operand 133 states and 141 transitions. Second operand 6 states. [2018-04-11 18:26:29,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:29,159 INFO L93 Difference]: Finished difference Result 174 states and 183 transitions. [2018-04-11 18:26:29,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:26:29,159 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-04-11 18:26:29,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:29,159 INFO L225 Difference]: With dead ends: 174 [2018-04-11 18:26:29,159 INFO L226 Difference]: Without dead ends: 174 [2018-04-11 18:26:29,160 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-04-11 18:26:29,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-04-11 18:26:29,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 153. [2018-04-11 18:26:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-11 18:26:29,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 183 transitions. [2018-04-11 18:26:29,162 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 183 transitions. Word has length 20 [2018-04-11 18:26:29,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:29,162 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 183 transitions. [2018-04-11 18:26:29,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:26:29,163 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 183 transitions. [2018-04-11 18:26:29,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 18:26:29,163 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:29,163 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:29,163 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:29,163 INFO L82 PathProgramCache]: Analyzing trace with hash 606155155, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:29,165 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:29,176 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,176 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,176 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,176 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,180 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#length| %1 9) (store %0 %1 9)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:26:29,196 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:26:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:29,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:29,220 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:29,220 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:26:29,220 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:29,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:29,220 INFO L182 omatonBuilderFactory]: Interpolants [2208#false, 2212#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#length| %1 9) (store %0 %1 9)) :qid itp)) :qid itp)), 2213#(and (= 9 (select |#length| |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base|)) (= 0 |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.offset|)), 2214#(and (<= (+ __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset 1) (select |#length| __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base)) (<= 0 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset)), 2215#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 2207#true] [2018-04-11 18:26:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:29,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:26:29,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:26:29,221 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:26:29,221 INFO L87 Difference]: Start difference. First operand 153 states and 183 transitions. Second operand 6 states. [2018-04-11 18:26:29,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:29,415 INFO L93 Difference]: Finished difference Result 173 states and 182 transitions. [2018-04-11 18:26:29,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:26:29,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-04-11 18:26:29,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:29,416 INFO L225 Difference]: With dead ends: 173 [2018-04-11 18:26:29,416 INFO L226 Difference]: Without dead ends: 173 [2018-04-11 18:26:29,417 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-04-11 18:26:29,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-04-11 18:26:29,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 153. [2018-04-11 18:26:29,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-11 18:26:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 182 transitions. [2018-04-11 18:26:29,420 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 182 transitions. Word has length 20 [2018-04-11 18:26:29,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:29,420 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 182 transitions. [2018-04-11 18:26:29,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:26:29,420 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 182 transitions. [2018-04-11 18:26:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 18:26:29,420 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:29,420 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] [2018-04-11 18:26:29,420 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:29,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1610940695, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:29,423 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:29,454 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:26:29,459 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,459 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,460 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,460 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,460 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,460 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-11 18:26:29,543 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:29,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2018-04-11 18:26:29,546 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:29,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2018-04-11 18:26:29,549 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:29,551 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 29 [2018-04-11 18:26:29,552 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:29,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-11 18:26:29,554 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:29,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2018-04-11 18:26:29,556 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:29,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 18:26:29,590 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:29,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2018-04-11 18:26:29,603 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:29,608 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 18:26:29,609 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:97, output treesize:8 [2018-04-11 18:26:29,614 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,614 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,614 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,615 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,615 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,615 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:29,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 18:26:29,703 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:29,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-04-11 18:26:29,705 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:29,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-11 18:26:29,707 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:29,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2018-04-11 18:26:29,736 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 18:26:29,740 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 18:26:29,740 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:97, output treesize:8 [2018-04-11 18:26:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:29,778 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:29,779 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 18:26:29,779 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:29,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:29,779 INFO L182 omatonBuilderFactory]: Interpolants [2546#true, 2547#false, 2551#(= 1 (select |#valid| main_~list~0.base)), 2552#(forall ((%1 Int)) (= 1 (select (store |#valid| %1 1) |__U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base|))), 2553#(forall ((v_prenex_5 Int)) (= (select (store |#valid| v_prenex_5 1) __U_MULTI_flength_test___true_valid_memsafety_i__append_~head.base) 1)), 2554#(or (= (select |#valid| __U_MULTI_flength_test___true_valid_memsafety_i__append_~head.base) 1) (not (= (select |#valid| |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base|) 1))), 2555#(or (= (select |#valid| __U_MULTI_flength_test___true_valid_memsafety_i__append_~head.base) 1) (not (= (select |#valid| __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) 1))), 2556#(= 1 (select |#valid| __U_MULTI_flength_test___true_valid_memsafety_i__append_~head.base)), 2557#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:26:29,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:29,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 18:26:29,780 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 18:26:29,780 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-04-11 18:26:29,780 INFO L87 Difference]: Start difference. First operand 153 states and 182 transitions. Second operand 9 states. [2018-04-11 18:26:30,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:30,173 INFO L93 Difference]: Finished difference Result 200 states and 213 transitions. [2018-04-11 18:26:30,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 18:26:30,173 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-04-11 18:26:30,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:30,175 INFO L225 Difference]: With dead ends: 200 [2018-04-11 18:26:30,175 INFO L226 Difference]: Without dead ends: 200 [2018-04-11 18:26:30,176 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-04-11 18:26:30,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-04-11 18:26:30,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 150. [2018-04-11 18:26:30,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-04-11 18:26:30,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 174 transitions. [2018-04-11 18:26:30,178 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 174 transitions. Word has length 21 [2018-04-11 18:26:30,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:30,178 INFO L459 AbstractCegarLoop]: Abstraction has 150 states and 174 transitions. [2018-04-11 18:26:30,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 18:26:30,178 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 174 transitions. [2018-04-11 18:26:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 18:26:30,179 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:30,179 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] [2018-04-11 18:26:30,179 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:30,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1610940696, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:30,181 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:30,210 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |#length_17| |main_#t~malloc8.base_5|))) (* (- 1) (select |#length_17| |main_#t~malloc8.base_5|))))) (rewrite a!1)) [2018-04-11 18:26:30,211 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 125 column 394: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-11 18:26:30,213 INFO L168 Benchmark]: Toolchain (without parser) took 4072.21 ms. Allocated memory was 405.8 MB in the beginning and 652.2 MB in the end (delta: 246.4 MB). Free memory was 339.1 MB in the beginning and 565.0 MB in the end (delta: -225.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 5.3 GB. [2018-04-11 18:26:30,214 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 405.8 MB. Free memory is still 365.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:26:30,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.07 ms. Allocated memory is still 405.8 MB. Free memory was 337.8 MB in the beginning and 312.1 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 5.3 GB. [2018-04-11 18:26:30,215 INFO L168 Benchmark]: Boogie Preprocessor took 41.25 ms. Allocated memory is still 405.8 MB. Free memory was 312.1 MB in the beginning and 309.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 18:26:30,215 INFO L168 Benchmark]: RCFGBuilder took 522.47 ms. Allocated memory was 405.8 MB in the beginning and 599.3 MB in the end (delta: 193.5 MB). Free memory was 309.4 MB in the beginning and 518.2 MB in the end (delta: -208.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. [2018-04-11 18:26:30,215 INFO L168 Benchmark]: TraceAbstraction took 3230.91 ms. Allocated memory was 599.3 MB in the beginning and 652.2 MB in the end (delta: 53.0 MB). Free memory was 516.8 MB in the beginning and 565.0 MB in the end (delta: -48.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 5.3 GB. [2018-04-11 18:26:30,218 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 405.8 MB. Free memory is still 365.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 275.07 ms. Allocated memory is still 405.8 MB. Free memory was 337.8 MB in the beginning and 312.1 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 41.25 ms. Allocated memory is still 405.8 MB. Free memory was 312.1 MB in the beginning and 309.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 522.47 ms. Allocated memory was 405.8 MB in the beginning and 599.3 MB in the end (delta: 193.5 MB). Free memory was 309.4 MB in the beginning and 518.2 MB in the end (delta: -208.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3230.91 ms. Allocated memory was 599.3 MB in the beginning and 652.2 MB in the end (delta: 53.0 MB). Free memory was 516.8 MB in the beginning and 565.0 MB in the end (delta: -48.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 125 column 394: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 125 column 394: 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/length_test03_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_18-26-30-227.csv Received shutdown request...