java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/list-ext-properties/960521-1_1_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 18:26:56,280 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 18:26:56,282 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 18:26:56,295 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 18:26:56,295 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 18:26:56,296 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 18:26:56,296 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 18:26:56,298 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 18:26:56,299 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 18:26:56,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 18:26:56,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 18:26:56,301 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 18:26:56,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 18:26:56,302 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 18:26:56,303 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 18:26:56,305 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 18:26:56,306 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 18:26:56,307 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 18:26:56,308 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 18:26:56,309 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 18:26:56,311 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 18:26:56,311 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 18:26:56,311 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 18:26:56,312 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 18:26:56,312 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 18:26:56,313 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 18:26:56,313 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 18:26:56,314 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 18:26:56,314 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 18:26:56,315 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 18:26:56,315 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 18:26:56,315 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 18:26:56,335 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 18:26:56,336 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 18:26:56,336 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 18:26:56,337 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 18:26:56,337 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 18:26:56,337 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 18:26:56,337 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 18:26:56,337 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 18:26:56,337 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 18:26:56,337 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 18:26:56,338 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 18:26:56,338 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 18:26:56,338 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 18:26:56,338 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 18:26:56,338 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 18:26:56,338 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 18:26:56,338 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 18:26:56,339 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 18:26:56,339 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 18:26:56,339 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:26:56,339 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 18:26:56,339 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-11 18:26:56,339 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-11 18:26:56,339 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 18:26:56,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 18:26:56,376 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 18:26:56,380 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 18:26:56,381 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 18:26:56,382 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 18:26:56,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/960521-1_1_false-valid-free.i [2018-04-11 18:26:56,756 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0603bcf10 [2018-04-11 18:26:56,869 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 18:26:56,870 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 18:26:56,870 INFO L168 CDTParser]: Scanning 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,878 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 18:26:56,878 INFO L215 ultiparseSymbolTable]: [2018-04-11 18:26:56,878 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 18:26:56,879 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_f___________false_valid_free_i__foo ('foo') in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,879 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,879 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 18:26:56,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____pthread_list_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__pthread_barrierattr_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__sigset_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____caddr_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,879 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____u_long in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____dev_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____fsblkcnt_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__int16_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__blkcnt_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__pthread_key_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__u_char in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__u_int32_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__pthread_rwlock_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__clock_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,880 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____off_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__blksize_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__pthread_rwlockattr_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____int16_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____uint32_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__fd_set in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__u_long in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____ino_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__ulong in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__caddr_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____fsid_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,881 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____ino64_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____sigset_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__pthread_cond_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__u_int in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__key_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__fd_mask in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__pthread_spinlock_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____rlim_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____timer_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,882 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__div_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__size_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____int32_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____intptr_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__u_int16_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____ssize_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__u_int8_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____clockid_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__clockid_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__quad_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__uid_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__lldiv_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____id_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____socklen_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__pthread_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,883 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__fsblkcnt_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____gid_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__wchar_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____u_quad_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____off64_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__pthread_barrier_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____pid_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__pthread_mutexattr_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____u_char in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____suseconds_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____quad_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____fsblkcnt64_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__ssize_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__register_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__pthread_once_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____uint64_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____swblk_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____sig_atomic_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__pthread_attr_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,884 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____nlink_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__timer_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____fd_mask in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__off_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____int8_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__uint in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__pid_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__int32_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____mode_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__dev_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__fsfilcnt_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____blkcnt64_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__id_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____uid_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__gid_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,885 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__nlink_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__u_short in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__int64_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____u_short in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__suseconds_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____blkcnt_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____fsfilcnt_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____WAIT_STATUS in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__mode_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__pthread_mutex_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____clock_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____u_int in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,886 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__fsid_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____loff_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__time_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__n in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__daddr_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__a in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__ino_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__b in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____rlim64_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__ldiv_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____qaddr_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____uint16_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____useconds_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,887 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__pthread_condattr_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____blksize_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____fsfilcnt64_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____key_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____uint8_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____daddr_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____int64_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__u_quad_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__ushort in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i____time_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__loff_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,888 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__int8_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,889 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_free_i__u_int64_t in 960521-1_1_false-valid-free.i [2018-04-11 18:26:56,901 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0603bcf10 [2018-04-11 18:26:56,905 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 18:26:56,906 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 18:26:56,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 18:26:56,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 18:26:56,911 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 18:26:56,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:26:56" (1/1) ... [2018-04-11 18:26:56,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba67973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:56, skipping insertion in model container [2018-04-11 18:26:56,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:26:56" (1/1) ... [2018-04-11 18:26:56,923 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:26:56,944 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:26:57,061 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:26:57,090 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:26:57,096 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 18:26:57,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:57 WrapperNode [2018-04-11 18:26:57,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 18:26:57,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 18:26:57,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 18:26:57,133 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 18:26:57,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:57" (1/1) ... [2018-04-11 18:26:57,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:57" (1/1) ... [2018-04-11 18:26:57,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:57" (1/1) ... [2018-04-11 18:26:57,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:57" (1/1) ... [2018-04-11 18:26:57,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:57" (1/1) ... [2018-04-11 18:26:57,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:57" (1/1) ... [2018-04-11 18:26:57,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:57" (1/1) ... [2018-04-11 18:26:57,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 18:26:57,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 18:26:57,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 18:26:57,172 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 18:26:57,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:57" (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 18:26:57,254 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 18:26:57,254 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 18:26:57,254 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f___________false_valid_free_i__foo [2018-04-11 18:26:57,255 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 18:26:57,255 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 18:26:57,255 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 18:26:57,255 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 18:26:57,255 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 18:26:57,255 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 18:26:57,255 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 18:26:57,255 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 18:26:57,255 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 18:26:57,255 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 18:26:57,255 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 18:26:57,255 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 18:26:57,255 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 18:26:57,256 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 18:26:57,256 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 18:26:57,256 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 18:26:57,256 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 18:26:57,256 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 18:26:57,256 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 18:26:57,256 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 18:26:57,256 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 18:26:57,257 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 18:26:57,257 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 18:26:57,257 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 18:26:57,257 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 18:26:57,257 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 18:26:57,257 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 18:26:57,257 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 18:26:57,257 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 18:26:57,257 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 18:26:57,258 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 18:26:57,258 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 18:26:57,258 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 18:26:57,258 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 18:26:57,258 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 18:26:57,258 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 18:26:57,258 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 18:26:57,258 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 18:26:57,258 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 18:26:57,258 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 18:26:57,259 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 18:26:57,259 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 18:26:57,259 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 18:26:57,259 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 18:26:57,259 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 18:26:57,259 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 18:26:57,259 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 18:26:57,259 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 18:26:57,259 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 18:26:57,260 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 18:26:57,260 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 18:26:57,260 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 18:26:57,260 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 18:26:57,260 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 18:26:57,260 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 18:26:57,260 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 18:26:57,260 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 18:26:57,260 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 18:26:57,260 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 18:26:57,261 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 18:26:57,261 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 18:26:57,261 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 18:26:57,261 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 18:26:57,261 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 18:26:57,261 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 18:26:57,261 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 18:26:57,261 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 18:26:57,261 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 18:26:57,261 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 18:26:57,261 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 18:26:57,262 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 18:26:57,262 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 18:26:57,262 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 18:26:57,262 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 18:26:57,262 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 18:26:57,262 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 18:26:57,262 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 18:26:57,262 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 18:26:57,262 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 18:26:57,263 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 18:26:57,263 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 18:26:57,263 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 18:26:57,263 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 18:26:57,263 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 18:26:57,263 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 18:26:57,263 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 18:26:57,263 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 18:26:57,263 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 18:26:57,263 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 18:26:57,263 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 18:26:57,264 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 18:26:57,264 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 18:26:57,264 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 18:26:57,264 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 18:26:57,264 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 18:26:57,264 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 18:26:57,264 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 18:26:57,264 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 18:26:57,264 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 18:26:57,264 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 18:26:57,265 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 18:26:57,265 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 18:26:57,265 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 18:26:57,265 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 18:26:57,265 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_f___________false_valid_free_i__foo [2018-04-11 18:26:57,265 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 18:26:57,265 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 18:26:57,265 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 18:26:57,265 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 18:26:57,265 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 18:26:57,265 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 18:26:57,266 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 18:26:57,266 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 18:26:57,531 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 18:26:57,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:26:57 BoogieIcfgContainer [2018-04-11 18:26:57,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 18:26:57,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 18:26:57,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 18:26:57,533 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 18:26:57,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 06:26:56" (1/3) ... [2018-04-11 18:26:57,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480a4b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:26:57, skipping insertion in model container [2018-04-11 18:26:57,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:26:57" (2/3) ... [2018-04-11 18:26:57,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480a4b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:26:57, skipping insertion in model container [2018-04-11 18:26:57,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:26:57" (3/3) ... [2018-04-11 18:26:57,535 INFO L107 eAbstractionObserver]: Analyzing ICFG 960521-1_1_false-valid-free.i [2018-04-11 18:26:57,541 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 18:26:57,550 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-04-11 18:26:57,573 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 18:26:57,573 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 18:26:57,573 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 18:26:57,573 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-11 18:26:57,573 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 18:26:57,573 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 18:26:57,573 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 18:26:57,574 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 18:26:57,574 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 18:26:57,574 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 18:26:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-04-11 18:26:57,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 18:26:57,589 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:57,590 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:57,590 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f___________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr3RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:57,592 INFO L82 PathProgramCache]: Analyzing trace with hash 91603591, 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 18:26:57,599 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:57,679 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 18:26:57,696 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:57,696 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 18:26:57,697 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:57,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:57,698 INFO L182 omatonBuilderFactory]: Interpolants [67#true, 68#false, 72#(and (= ~__U_MULTI_f___________false_valid_free_i__a~0.offset |old(~__U_MULTI_f___________false_valid_free_i__a~0.offset)|) (= ~__U_MULTI_f___________false_valid_free_i__a~0.base |old(~__U_MULTI_f___________false_valid_free_i__a~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__U_MULTI_f___________false_valid_free_i__b~0.base |old(~__U_MULTI_f___________false_valid_free_i__b~0.base)|) (= ~__U_MULTI_f___________false_valid_free_i__n~0 |old(~__U_MULTI_f___________false_valid_free_i__n~0)|) (= ~__U_MULTI_f___________false_valid_free_i__b~0.offset |old(~__U_MULTI_f___________false_valid_free_i__b~0.offset)|))] [2018-04-11 18:26:57,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:57,698 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 18:26:57,705 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 18:26:57,706 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 18:26:57,707 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 3 states. [2018-04-11 18:26:57,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:57,785 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2018-04-11 18:26:57,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 18:26:57,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-04-11 18:26:57,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:57,791 INFO L225 Difference]: With dead ends: 64 [2018-04-11 18:26:57,791 INFO L226 Difference]: Without dead ends: 61 [2018-04-11 18:26:57,792 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 18:26:57,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-04-11 18:26:57,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-04-11 18:26:57,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-04-11 18:26:57,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2018-04-11 18:26:57,816 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 12 [2018-04-11 18:26:57,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:57,816 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2018-04-11 18:26:57,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 18:26:57,817 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2018-04-11 18:26:57,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 18:26:57,817 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:57,817 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:57,817 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f___________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr3RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:57,818 INFO L82 PathProgramCache]: Analyzing trace with hash -268596371, 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 18:26:57,820 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:57,870 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 18:26:57,889 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:57,889 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:26:57,889 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:57,890 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 18:26:57,890 INFO L182 omatonBuilderFactory]: Interpolants [198#true, 199#false, 203#(= 1 (select |#valid| |main_#t~malloc5.base|)), 204#(= 1 (select |#valid| |main_#t~post6.base|)), 205#(and (= ~__U_MULTI_f___________false_valid_free_i__a~0.offset |old(~__U_MULTI_f___________false_valid_free_i__a~0.offset)|) (= ~__U_MULTI_f___________false_valid_free_i__a~0.base |old(~__U_MULTI_f___________false_valid_free_i__a~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__U_MULTI_f___________false_valid_free_i__b~0.base |old(~__U_MULTI_f___________false_valid_free_i__b~0.base)|) (= ~__U_MULTI_f___________false_valid_free_i__n~0 |old(~__U_MULTI_f___________false_valid_free_i__n~0)|) (= ~__U_MULTI_f___________false_valid_free_i__b~0.offset |old(~__U_MULTI_f___________false_valid_free_i__b~0.offset)|))] [2018-04-11 18:26:57,890 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 18:26:57,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:26:57,892 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:26:57,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:26:57,892 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 5 states. [2018-04-11 18:26:58,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:58,041 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2018-04-11 18:26:58,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 18:26:58,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 18:26:58,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:58,042 INFO L225 Difference]: With dead ends: 60 [2018-04-11 18:26:58,043 INFO L226 Difference]: Without dead ends: 60 [2018-04-11 18:26:58,043 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 18:26:58,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-11 18:26:58,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-04-11 18:26:58,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-11 18:26:58,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-04-11 18:26:58,049 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 14 [2018-04-11 18:26:58,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:58,050 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-04-11 18:26:58,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:26:58,050 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-04-11 18:26:58,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 18:26:58,050 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:58,051 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:58,051 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f___________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr3RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:58,051 INFO L82 PathProgramCache]: Analyzing trace with hash -268596370, 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 18:26:58,054 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:58,111 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 18:26:58,131 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:58,131 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:26:58,131 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:58,131 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 18:26:58,132 INFO L182 omatonBuilderFactory]: Interpolants [336#(and (= ~__U_MULTI_f___________false_valid_free_i__a~0.offset |old(~__U_MULTI_f___________false_valid_free_i__a~0.offset)|) (= ~__U_MULTI_f___________false_valid_free_i__a~0.base |old(~__U_MULTI_f___________false_valid_free_i__a~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__U_MULTI_f___________false_valid_free_i__b~0.base |old(~__U_MULTI_f___________false_valid_free_i__b~0.base)|) (= ~__U_MULTI_f___________false_valid_free_i__n~0 |old(~__U_MULTI_f___________false_valid_free_i__n~0)|) (= ~__U_MULTI_f___________false_valid_free_i__b~0.offset |old(~__U_MULTI_f___________false_valid_free_i__b~0.offset)|)), 328#true, 329#false, 333#(= ~__U_MULTI_f___________false_valid_free_i__n~0 1), 334#(and (= 0 |main_#t~malloc5.offset|) (= 4 (select |#length| |main_#t~malloc5.base|))), 335#(and (<= 0 |main_#t~post6.offset|) (<= (+ |main_#t~post6.offset| 4) (select |#length| |main_#t~post6.base|)))] [2018-04-11 18:26:58,132 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 18:26:58,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:26:58,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:26:58,132 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:26:58,133 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 6 states. [2018-04-11 18:26:58,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:58,352 INFO L93 Difference]: Finished difference Result 113 states and 119 transitions. [2018-04-11 18:26:58,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 18:26:58,352 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-04-11 18:26:58,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:58,354 INFO L225 Difference]: With dead ends: 113 [2018-04-11 18:26:58,354 INFO L226 Difference]: Without dead ends: 113 [2018-04-11 18:26:58,354 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-11 18:26:58,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-04-11 18:26:58,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 68. [2018-04-11 18:26:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-11 18:26:58,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2018-04-11 18:26:58,359 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 14 [2018-04-11 18:26:58,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:58,359 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2018-04-11 18:26:58,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:26:58,359 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2018-04-11 18:26:58,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 18:26:58,360 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:58,360 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:26:58,360 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f___________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr3RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:58,360 INFO L82 PathProgramCache]: Analyzing trace with hash -2058371654, 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 18:26:58,363 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:58,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:58,448 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:26:58,448 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-11 18:26:58,449 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:58,449 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 18:26:58,449 INFO L182 omatonBuilderFactory]: Interpolants [529#(= ~__U_MULTI_f___________false_valid_free_i__n~0 1), 530#(= ~__U_MULTI_f___________false_valid_free_i__n~0 2), 531#(and (= 0 |main_#t~malloc5.offset|) (= 8 (select |#length| |main_#t~malloc5.base|))), 532#(and (<= 0 |main_#t~post6.offset|) (<= (+ |main_#t~post6.offset| 4) (select |#length| |main_#t~post6.base|))), 533#(and (= ~__U_MULTI_f___________false_valid_free_i__a~0.offset |old(~__U_MULTI_f___________false_valid_free_i__a~0.offset)|) (= ~__U_MULTI_f___________false_valid_free_i__a~0.base |old(~__U_MULTI_f___________false_valid_free_i__a~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__U_MULTI_f___________false_valid_free_i__b~0.base |old(~__U_MULTI_f___________false_valid_free_i__b~0.base)|) (= ~__U_MULTI_f___________false_valid_free_i__n~0 |old(~__U_MULTI_f___________false_valid_free_i__n~0)|) (= ~__U_MULTI_f___________false_valid_free_i__b~0.offset |old(~__U_MULTI_f___________false_valid_free_i__b~0.offset)|)), 524#true, 525#false] [2018-04-11 18:26:58,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:58,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 18:26:58,449 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 18:26:58,449 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 18:26:58,450 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand 7 states. [2018-04-11 18:26:58,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:58,698 INFO L93 Difference]: Finished difference Result 166 states and 175 transitions. [2018-04-11 18:26:58,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 18:26:58,698 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-04-11 18:26:58,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:58,699 INFO L225 Difference]: With dead ends: 166 [2018-04-11 18:26:58,699 INFO L226 Difference]: Without dead ends: 166 [2018-04-11 18:26:58,700 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-11 18:26:58,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-04-11 18:26:58,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 71. [2018-04-11 18:26:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-11 18:26:58,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions. [2018-04-11 18:26:58,705 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 76 transitions. Word has length 17 [2018-04-11 18:26:58,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:58,706 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 76 transitions. [2018-04-11 18:26:58,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 18:26:58,706 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 76 transitions. [2018-04-11 18:26:58,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 18:26:58,706 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:58,706 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 18:26:58,707 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f___________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr3RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:58,707 INFO L82 PathProgramCache]: Analyzing trace with hash -16320553, 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) [2018-04-11 18:26:58,710 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:26:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:58,723 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:26:58,728 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:58,729 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:58,729 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:58,730 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:26:58,759 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 18:26:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:58,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:26:58,843 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:26:58,843 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 18:26:58,843 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:26:58,843 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 18:26:58,843 INFO L182 omatonBuilderFactory]: Interpolants [786#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 787#(= 1 (select |#valid| |main_#t~malloc4.base|)), 788#(= 1 (select |#valid| ~__U_MULTI_f___________false_valid_free_i__a~0.base)), 789#(or (= (select |#valid| ~__U_MULTI_f___________false_valid_free_i__a~0.base) 1) (not (= (select |#valid| |main_#t~malloc5.base|) 1))), 790#(or (= (select |#valid| ~__U_MULTI_f___________false_valid_free_i__a~0.base) 1) (not (= (select |#valid| |main_#t~post6.base|) 1))), 791#(and (= ~__U_MULTI_f___________false_valid_free_i__a~0.offset |old(~__U_MULTI_f___________false_valid_free_i__a~0.offset)|) (= ~__U_MULTI_f___________false_valid_free_i__a~0.base |old(~__U_MULTI_f___________false_valid_free_i__a~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__U_MULTI_f___________false_valid_free_i__b~0.base |old(~__U_MULTI_f___________false_valid_free_i__b~0.base)|) (= ~__U_MULTI_f___________false_valid_free_i__n~0 |old(~__U_MULTI_f___________false_valid_free_i__n~0)|) (= ~__U_MULTI_f___________false_valid_free_i__b~0.offset |old(~__U_MULTI_f___________false_valid_free_i__b~0.offset)|)), 781#true, 782#false] [2018-04-11 18:26:58,844 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 18:26:58,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 18:26:58,844 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 18:26:58,844 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=30, Unknown=1, NotChecked=10, Total=56 [2018-04-11 18:26:58,844 INFO L87 Difference]: Start difference. First operand 71 states and 76 transitions. Second operand 8 states. [2018-04-11 18:26:58,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:26:58,986 INFO L93 Difference]: Finished difference Result 69 states and 74 transitions. [2018-04-11 18:26:58,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 18:26:58,986 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-04-11 18:26:58,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:26:58,986 INFO L225 Difference]: With dead ends: 69 [2018-04-11 18:26:58,986 INFO L226 Difference]: Without dead ends: 69 [2018-04-11 18:26:58,987 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=61, Unknown=3, NotChecked=16, Total=110 [2018-04-11 18:26:58,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-04-11 18:26:58,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2018-04-11 18:26:58,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-11 18:26:58,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions. [2018-04-11 18:26:58,989 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 20 [2018-04-11 18:26:58,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:26:58,989 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 73 transitions. [2018-04-11 18:26:58,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 18:26:58,990 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2018-04-11 18:26:58,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 18:26:58,990 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:26:58,990 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 18:26:58,990 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f___________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f___________false_valid_free_i__fooErr3RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 18:26:58,990 INFO L82 PathProgramCache]: Analyzing trace with hash -16320552, 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 18:26:58,993 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:26:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:26:59,017 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier Unsupported proof rule: (let ((a!1 (= (+ 0 0 (* (- 1) (select |#length_11| |main_#t~malloc4.base_9|))) (* (- 1) (select |#length_11| |main_#t~malloc4.base_9|))))) (rewrite a!1)) [2018-04-11 18:26:59,018 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 127 column 387: 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 18:26:59,020 INFO L168 Benchmark]: Toolchain (without parser) took 2114.58 ms. Allocated memory was 404.8 MB in the beginning and 621.8 MB in the end (delta: 217.1 MB). Free memory was 336.5 MB in the beginning and 573.5 MB in the end (delta: -237.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:26:59,021 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 404.8 MB. Free memory is still 363.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:26:59,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.76 ms. Allocated memory is still 404.8 MB. Free memory was 336.5 MB in the beginning and 312.6 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-11 18:26:59,021 INFO L168 Benchmark]: Boogie Preprocessor took 39.19 ms. Allocated memory is still 404.8 MB. Free memory was 312.6 MB in the beginning and 309.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 18:26:59,021 INFO L168 Benchmark]: RCFGBuilder took 358.88 ms. Allocated memory was 404.8 MB in the beginning and 594.5 MB in the end (delta: 189.8 MB). Free memory was 309.9 MB in the beginning and 530.6 MB in the end (delta: -220.7 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. [2018-04-11 18:26:59,022 INFO L168 Benchmark]: TraceAbstraction took 1487.81 ms. Allocated memory was 594.5 MB in the beginning and 621.8 MB in the end (delta: 27.3 MB). Free memory was 530.6 MB in the beginning and 573.5 MB in the end (delta: -42.9 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:26:59,023 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 404.8 MB. Free memory is still 363.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 225.76 ms. Allocated memory is still 404.8 MB. Free memory was 336.5 MB in the beginning and 312.6 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.19 ms. Allocated memory is still 404.8 MB. Free memory was 312.6 MB in the beginning and 309.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 358.88 ms. Allocated memory was 404.8 MB in the beginning and 594.5 MB in the end (delta: 189.8 MB). Free memory was 309.9 MB in the beginning and 530.6 MB in the end (delta: -220.7 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1487.81 ms. Allocated memory was 594.5 MB in the beginning and 621.8 MB in the end (delta: 27.3 MB). Free memory was 530.6 MB in the beginning and 573.5 MB in the end (delta: -42.9 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 127 column 387: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 127 column 387: 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/960521-1_1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_18-26-59-030.csv Received shutdown request...