java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/memsafety/lockfree-3.0_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 18:20:29,229 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 18:20:29,230 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 18:20:29,241 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 18:20:29,241 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 18:20:29,242 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 18:20:29,242 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 18:20:29,244 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 18:20:29,245 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 18:20:29,246 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 18:20:29,247 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 18:20:29,247 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 18:20:29,248 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 18:20:29,248 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 18:20:29,249 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 18:20:29,251 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 18:20:29,252 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 18:20:29,254 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 18:20:29,255 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 18:20:29,256 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 18:20:29,257 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 18:20:29,262 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 18:20:29,262 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 18:20:29,262 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 18:20:29,284 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 18:20:29,284 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 18:20:29,285 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 18:20:29,285 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 18:20:29,285 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 18:20:29,285 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 18:20:29,286 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 18:20:29,286 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 18:20:29,286 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 18:20:29,286 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 18:20:29,286 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 18:20:29,286 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 18:20:29,287 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 18:20:29,287 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 18:20:29,287 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 18:20:29,287 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 18:20:29,287 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 18:20:29,287 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 18:20:29,287 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 18:20:29,288 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:20:29,288 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 18:20:29,288 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-11 18:20:29,288 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-11 18:20:29,288 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 18:20:29,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 18:20:29,326 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 18:20:29,329 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 18:20:29,331 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 18:20:29,331 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 18:20:29,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,625 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG75f68e2a6 [2018-04-11 18:20:29,768 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 18:20:29,768 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 18:20:29,768 INFO L168 CDTParser]: Scanning lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,776 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 18:20:29,776 INFO L215 ultiparseSymbolTable]: [2018-04-11 18:20:29,776 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 18:20:29,776 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flockfree_____true_valid_memsafety_i__pop ('pop') in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,776 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flockfree_____true_valid_memsafety_i__push ('push') in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,776 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,776 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____off64_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____qaddr_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____blksize_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__blksize_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____caddr_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__fd_set in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__sigset_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____rlim64_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__u_quad_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__garbage in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____u_char in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____int32_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__ulong in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__mode_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pc1 in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pthread_rwlockattr_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__fsblkcnt_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__clock_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__daddr_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____u_short in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____id_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pc4 in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__key_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____dev_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__u_int32_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pthread_barrier_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____u_quad_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__u_long in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__size_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____ino_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____pid_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____intptr_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pthread_mutexattr_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____mode_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____gid_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____timer_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pid_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____sigset_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__u_int in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__gid_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____fsid_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__caddr_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____quad_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__u_short in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__div_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____suseconds_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____u_long in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pthread_spinlock_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____rlim_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____int16_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____uint32_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__uid_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pthread_cond_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____socklen_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____pthread_list_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__lldiv_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__int16_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__u_int16_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__blkcnt_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__u_char in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__off_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____clockid_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__quad_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____sig_atomic_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pthread_attr_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____uid_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____int64_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pthread_once_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__wchar_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____uint64_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__uint in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__ssize_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__nlink_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__loff_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____fsblkcnt64_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____nlink_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____daddr_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____clock_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____blkcnt64_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pthread_condattr_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__int32_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__suseconds_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pthread_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____ssize_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__u_int8_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____fd_mask in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__fsid_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__timer_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__clockid_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____loff_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____int8_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____off_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__fd_mask in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__fsfilcnt_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____WAIT_STATUS in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pthread_mutex_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__ino_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____uint16_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__int64_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____fsfilcnt_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__ushort in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____ino64_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____time_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__int8_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__u_int64_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____key_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__time_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__S in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____uint8_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__ldiv_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__register_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__id_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____swblk_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____useconds_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____fsfilcnt64_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__dev_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pthread_rwlock_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____blkcnt_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pthread_barrierattr_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____u_int in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i____fsblkcnt_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____true_valid_memsafety_i__pthread_key_t in lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:29,799 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG75f68e2a6 [2018-04-11 18:20:29,802 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 18:20:29,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 18:20:29,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 18:20:29,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 18:20:29,809 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 18:20:29,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:20:29" (1/1) ... [2018-04-11 18:20:29,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ba7547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:20:29, skipping insertion in model container [2018-04-11 18:20:29,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:20:29" (1/1) ... [2018-04-11 18:20:29,822 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:20:29,842 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:20:29,976 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:20:30,016 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:20:30,023 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-11 18:20:30,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:20:30 WrapperNode [2018-04-11 18:20:30,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 18:20:30,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 18:20:30,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 18:20:30,056 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 18:20:30,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:20:30" (1/1) ... [2018-04-11 18:20:30,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:20:30" (1/1) ... [2018-04-11 18:20:30,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:20:30" (1/1) ... [2018-04-11 18:20:30,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:20:30" (1/1) ... [2018-04-11 18:20:30,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:20:30" (1/1) ... [2018-04-11 18:20:30,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:20:30" (1/1) ... [2018-04-11 18:20:30,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:20:30" (1/1) ... [2018-04-11 18:20:30,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 18:20:30,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 18:20:30,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 18:20:30,097 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 18:20:30,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:20:30" (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 18:20:30,190 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 18:20:30,190 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 18:20:30,190 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flockfree_____true_valid_memsafety_i__push [2018-04-11 18:20:30,190 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flockfree_____true_valid_memsafety_i__pop [2018-04-11 18:20:30,190 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 18:20:30,190 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 18:20:30,190 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 18:20:30,190 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 18:20:30,190 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 18:20:30,191 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 18:20:30,191 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 18:20:30,191 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 18:20:30,191 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 18:20:30,191 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 18:20:30,191 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 18:20:30,191 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 18:20:30,191 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 18:20:30,191 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 18:20:30,192 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 18:20:30,192 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 18:20:30,192 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 18:20:30,192 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 18:20:30,192 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 18:20:30,192 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 18:20:30,192 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 18:20:30,192 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 18:20:30,193 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 18:20:30,193 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 18:20:30,193 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 18:20:30,193 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 18:20:30,193 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 18:20:30,193 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 18:20:30,193 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 18:20:30,193 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 18:20:30,193 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 18:20:30,193 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 18:20:30,194 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 18:20:30,194 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 18:20:30,194 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 18:20:30,194 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 18:20:30,194 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 18:20:30,194 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 18:20:30,194 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 18:20:30,194 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 18:20:30,194 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 18:20:30,195 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 18:20:30,195 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 18:20:30,195 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 18:20:30,195 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 18:20:30,195 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 18:20:30,195 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 18:20:30,195 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 18:20:30,195 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 18:20:30,195 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 18:20:30,195 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 18:20:30,196 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 18:20:30,196 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 18:20:30,196 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 18:20:30,196 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 18:20:30,196 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 18:20:30,196 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 18:20:30,196 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 18:20:30,196 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 18:20:30,196 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 18:20:30,196 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 18:20:30,197 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 18:20:30,197 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 18:20:30,197 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 18:20:30,197 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 18:20:30,197 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 18:20:30,197 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 18:20:30,197 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 18:20:30,197 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 18:20:30,197 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 18:20:30,197 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 18:20:30,197 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 18:20:30,198 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 18:20:30,198 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 18:20:30,198 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 18:20:30,198 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 18:20:30,198 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 18:20:30,198 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 18:20:30,198 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 18:20:30,198 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 18:20:30,198 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 18:20:30,198 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 18:20:30,199 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 18:20:30,199 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 18:20:30,199 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 18:20:30,199 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 18:20:30,199 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 18:20:30,199 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 18:20:30,199 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 18:20:30,199 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 18:20:30,199 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 18:20:30,199 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 18:20:30,199 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 18:20:30,200 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 18:20:30,200 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 18:20:30,200 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 18:20:30,200 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 18:20:30,200 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 18:20:30,200 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 18:20:30,200 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 18:20:30,200 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 18:20:30,200 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 18:20:30,200 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 18:20:30,201 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 18:20:30,201 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flockfree_____true_valid_memsafety_i__push [2018-04-11 18:20:30,201 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 18:20:30,201 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 18:20:30,201 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 18:20:30,201 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flockfree_____true_valid_memsafety_i__pop [2018-04-11 18:20:30,201 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 18:20:30,201 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 18:20:30,201 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 18:20:30,201 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 18:20:30,202 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 18:20:30,202 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 18:20:30,202 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 18:20:30,512 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 18:20:30,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:20:30 BoogieIcfgContainer [2018-04-11 18:20:30,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 18:20:30,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 18:20:30,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 18:20:30,514 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 18:20:30,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 06:20:29" (1/3) ... [2018-04-11 18:20:30,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652f43c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:20:30, skipping insertion in model container [2018-04-11 18:20:30,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:20:30" (2/3) ... [2018-04-11 18:20:30,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652f43c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:20:30, skipping insertion in model container [2018-04-11 18:20:30,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:20:30" (3/3) ... [2018-04-11 18:20:30,516 INFO L107 eAbstractionObserver]: Analyzing ICFG lockfree-3.0_true-valid-memsafety.i [2018-04-11 18:20:30,524 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 18:20:30,531 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-04-11 18:20:30,563 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 18:20:30,564 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 18:20:30,564 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 18:20:30,564 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-11 18:20:30,564 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 18:20:30,564 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 18:20:30,564 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 18:20:30,564 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 18:20:30,564 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 18:20:30,565 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 18:20:30,572 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-04-11 18:20:30,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-11 18:20:30,579 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:20:30,580 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:20:30,580 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_flockfree_____true_valid_memsafety_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr7RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr4RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 18:20:30,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1827855978, 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 18:20:30,593 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:20:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:30,705 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 18:20:30,724 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:20:30,725 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 18:20:30,725 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:20:30,725 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 18:20:30,726 INFO L182 omatonBuilderFactory]: Interpolants [81#true, 82#false, 86#(and (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base)|) (= ~res4~0 |old(~res4~0)|) (= ~x4~0.base |old(~x4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset)|) (= ~x1~0.offset |old(~x1~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)|) (= ~t1~0.base |old(~t1~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (= |#valid| |old(#valid)|) (= ~x1~0.base |old(~x1~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~x4~0.offset |old(~x4~0.offset)|) (= ~t4~0.base |old(~t4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base)|) (= ~t1~0.offset |old(~t1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~t4~0.offset |old(~t4~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset)|))] [2018-04-11 18:20:30,726 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 18:20:30,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 18:20:30,734 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 18:20:30,734 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 18:20:30,735 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 3 states. [2018-04-11 18:20:30,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:20:30,921 INFO L93 Difference]: Finished difference Result 99 states and 122 transitions. [2018-04-11 18:20:30,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 18:20:30,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-04-11 18:20:30,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:20:30,934 INFO L225 Difference]: With dead ends: 99 [2018-04-11 18:20:30,935 INFO L226 Difference]: Without dead ends: 93 [2018-04-11 18:20:30,936 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 18:20:30,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-04-11 18:20:30,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 81. [2018-04-11 18:20:30,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-11 18:20:30,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 100 transitions. [2018-04-11 18:20:30,973 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 100 transitions. Word has length 9 [2018-04-11 18:20:30,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:20:30,973 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 100 transitions. [2018-04-11 18:20:30,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 18:20:30,974 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2018-04-11 18:20:30,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 18:20:30,974 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:20:30,974 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:20:30,974 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_flockfree_____true_valid_memsafety_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr7RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr4RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 18:20:30,975 INFO L82 PathProgramCache]: Analyzing trace with hash 2024262411, 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 18:20:30,978 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:20:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:31,053 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 18:20:31,080 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:20:31,080 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:20:31,080 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:20:31,080 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 18:20:31,081 INFO L182 omatonBuilderFactory]: Interpolants [272#|main_#t~short8|, 273#(and (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base)|) (= ~res4~0 |old(~res4~0)|) (= ~x4~0.base |old(~x4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset)|) (= ~x1~0.offset |old(~x1~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)|) (= ~t1~0.base |old(~t1~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (= |#valid| |old(#valid)|) (= ~x1~0.base |old(~x1~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~x4~0.offset |old(~x4~0.offset)|) (= ~t4~0.base |old(~t4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base)|) (= ~t1~0.offset |old(~t1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~t4~0.offset |old(~t4~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset)|)), 267#true, 268#false] [2018-04-11 18:20:31,081 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 18:20:31,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 18:20:31,082 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 18:20:31,083 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 18:20:31,083 INFO L87 Difference]: Start difference. First operand 81 states and 100 transitions. Second operand 4 states. [2018-04-11 18:20:31,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:20:31,307 INFO L93 Difference]: Finished difference Result 95 states and 117 transitions. [2018-04-11 18:20:31,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 18:20:31,308 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-04-11 18:20:31,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:20:31,309 INFO L225 Difference]: With dead ends: 95 [2018-04-11 18:20:31,309 INFO L226 Difference]: Without dead ends: 95 [2018-04-11 18:20:31,309 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:20:31,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-04-11 18:20:31,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 82. [2018-04-11 18:20:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-11 18:20:31,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 101 transitions. [2018-04-11 18:20:31,315 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 101 transitions. Word has length 12 [2018-04-11 18:20:31,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:20:31,316 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 101 transitions. [2018-04-11 18:20:31,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 18:20:31,316 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 101 transitions. [2018-04-11 18:20:31,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 18:20:31,316 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:20:31,316 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:20:31,316 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_flockfree_____true_valid_memsafety_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr7RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr4RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 18:20:31,316 INFO L82 PathProgramCache]: Analyzing trace with hash 2026109453, 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 18:20:31,319 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:20:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:31,390 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 18:20:31,416 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:20:31,416 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 18:20:31,417 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:20:31,417 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 18:20:31,417 INFO L182 omatonBuilderFactory]: Interpolants [453#true, 454#false, 458#(and (= 0 ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset) (= 0 ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base)), 459#(and (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base)|) (= ~res4~0 |old(~res4~0)|) (= ~x4~0.base |old(~x4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset)|) (= ~x1~0.offset |old(~x1~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)|) (= ~t1~0.base |old(~t1~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (= |#valid| |old(#valid)|) (= ~x1~0.base |old(~x1~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~x4~0.offset |old(~x4~0.offset)|) (= ~t4~0.base |old(~t4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base)|) (= ~t1~0.offset |old(~t1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~t4~0.offset |old(~t4~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset)|))] [2018-04-11 18:20:31,417 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 18:20:31,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 18:20:31,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 18:20:31,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 18:20:31,418 INFO L87 Difference]: Start difference. First operand 82 states and 101 transitions. Second operand 4 states. [2018-04-11 18:20:31,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:20:31,614 INFO L93 Difference]: Finished difference Result 144 states and 184 transitions. [2018-04-11 18:20:31,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 18:20:31,614 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-04-11 18:20:31,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:20:31,615 INFO L225 Difference]: With dead ends: 144 [2018-04-11 18:20:31,615 INFO L226 Difference]: Without dead ends: 142 [2018-04-11 18:20:31,616 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:20:31,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-04-11 18:20:31,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 119. [2018-04-11 18:20:31,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-04-11 18:20:31,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2018-04-11 18:20:31,623 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 12 [2018-04-11 18:20:31,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:20:31,623 INFO L459 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2018-04-11 18:20:31,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 18:20:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2018-04-11 18:20:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 18:20:31,624 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:20:31,624 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:20:31,624 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_flockfree_____true_valid_memsafety_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr7RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr4RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 18:20:31,624 INFO L82 PathProgramCache]: Analyzing trace with hash 689129259, 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 18:20:31,626 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:20:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:31,734 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 18:20:31,735 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:20:31,735 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 18:20:31,735 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:20:31,736 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 18:20:31,736 INFO L182 omatonBuilderFactory]: Interpolants [725#true, 726#false, 730#(= 1 ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0), 731#(not (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 2)), 732#(and (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (not (= |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)| 2))), 733#(or |__U_MULTI_flockfree_____true_valid_memsafety_i__push_#t~switch1| (and (not (= |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)| 2)) (not (= |__U_MULTI_flockfree_____true_valid_memsafety_i__push_#t~post0| 2)))), 734#(not |__U_MULTI_flockfree_____true_valid_memsafety_i__push_#t~switch1|), 735#(and (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base)|) (= ~res4~0 |old(~res4~0)|) (= ~x4~0.base |old(~x4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset)|) (= ~x1~0.offset |old(~x1~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)|) (= ~t1~0.base |old(~t1~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (= |#valid| |old(#valid)|) (= ~x1~0.base |old(~x1~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~x4~0.offset |old(~x4~0.offset)|) (= ~t4~0.base |old(~t4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base)|) (= ~t1~0.offset |old(~t1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~t4~0.offset |old(~t4~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset)|))] [2018-04-11 18:20:31,736 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 18:20:31,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 18:20:31,736 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 18:20:31,736 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 18:20:31,736 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand 8 states. [2018-04-11 18:20:32,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:20:32,284 INFO L93 Difference]: Finished difference Result 324 states and 466 transitions. [2018-04-11 18:20:32,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 18:20:32,284 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2018-04-11 18:20:32,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:20:32,287 INFO L225 Difference]: With dead ends: 324 [2018-04-11 18:20:32,287 INFO L226 Difference]: Without dead ends: 324 [2018-04-11 18:20:32,288 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-04-11 18:20:32,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-04-11 18:20:32,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 175. [2018-04-11 18:20:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-04-11 18:20:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 256 transitions. [2018-04-11 18:20:32,313 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 256 transitions. Word has length 15 [2018-04-11 18:20:32,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:20:32,313 INFO L459 AbstractCegarLoop]: Abstraction has 175 states and 256 transitions. [2018-04-11 18:20:32,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 18:20:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 256 transitions. [2018-04-11 18:20:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 18:20:32,314 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:20:32,314 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:20:32,315 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_flockfree_____true_valid_memsafety_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr7RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr4RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 18:20:32,315 INFO L82 PathProgramCache]: Analyzing trace with hash -112108404, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:20:32,318 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:20:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:32,437 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 18:20:32,438 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:20:32,438 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 18:20:32,439 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:20:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:20:32,439 INFO L182 omatonBuilderFactory]: Interpolants [1248#false, 1252#(and (= 0 ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset) (= 0 ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 1)), 1253#(or (and (= |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base)| 0) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset 0) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base 0) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 1)) (not (= 1 ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0))), 1254#(or (not |main_#t~short8|) (not (= 1 ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0))), 1255#(not (= 1 ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)), 1256#(and (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (not (= 1 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|))), 1257#(not |__U_MULTI_flockfree_____true_valid_memsafety_i__push_#t~switch1|), 1258#(and (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base)|) (= ~res4~0 |old(~res4~0)|) (= ~x4~0.base |old(~x4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset)|) (= ~x1~0.offset |old(~x1~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)|) (= ~t1~0.base |old(~t1~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (= |#valid| |old(#valid)|) (= ~x1~0.base |old(~x1~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~x4~0.offset |old(~x4~0.offset)|) (= ~t4~0.base |old(~t4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base)|) (= ~t1~0.offset |old(~t1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~t4~0.offset |old(~t4~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset)|)), 1247#true] [2018-04-11 18:20:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:20:32,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 18:20:32,439 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 18:20:32,440 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-04-11 18:20:32,440 INFO L87 Difference]: Start difference. First operand 175 states and 256 transitions. Second operand 9 states. [2018-04-11 18:20:33,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:20:33,095 INFO L93 Difference]: Finished difference Result 438 states and 668 transitions. [2018-04-11 18:20:33,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 18:20:33,095 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2018-04-11 18:20:33,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:20:33,098 INFO L225 Difference]: With dead ends: 438 [2018-04-11 18:20:33,098 INFO L226 Difference]: Without dead ends: 438 [2018-04-11 18:20:33,099 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2018-04-11 18:20:33,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-04-11 18:20:33,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 330. [2018-04-11 18:20:33,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2018-04-11 18:20:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 522 transitions. [2018-04-11 18:20:33,117 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 522 transitions. Word has length 16 [2018-04-11 18:20:33,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:20:33,118 INFO L459 AbstractCegarLoop]: Abstraction has 330 states and 522 transitions. [2018-04-11 18:20:33,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 18:20:33,118 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 522 transitions. [2018-04-11 18:20:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 18:20:33,118 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:20:33,118 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:20:33,118 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_flockfree_____true_valid_memsafety_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr7RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr4RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 18:20:33,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1784605680, 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 18:20:33,129 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:20:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:33,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:20:33,215 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:20:33,215 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 18:20:33,215 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:20:33,215 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 18:20:33,216 INFO L182 omatonBuilderFactory]: Interpolants [2050#(= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 1), 2051#(not (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 3)), 2052#(and (not (= |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)| 3)) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)|)), 2053#(and (not (= |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)| 3)) (not (= |__U_MULTI_flockfree_____true_valid_memsafety_i__pop_#t~post3| 3))), 2054#(not |__U_MULTI_flockfree_____true_valid_memsafety_i__pop_#t~switch4|), 2055#(and (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base)|) (= ~res4~0 |old(~res4~0)|) (= ~x4~0.base |old(~x4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset)|) (= ~x1~0.offset |old(~x1~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)|) (= ~t1~0.base |old(~t1~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (= |#valid| |old(#valid)|) (= ~x1~0.base |old(~x1~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~x4~0.offset |old(~x4~0.offset)|) (= ~t4~0.base |old(~t4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base)|) (= ~t1~0.offset |old(~t1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~t4~0.offset |old(~t4~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset)|)), 2045#true, 2046#false] [2018-04-11 18:20:33,216 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 18:20:33,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 18:20:33,216 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 18:20:33,216 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 18:20:33,216 INFO L87 Difference]: Start difference. First operand 330 states and 522 transitions. Second operand 8 states. [2018-04-11 18:20:33,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:20:33,596 INFO L93 Difference]: Finished difference Result 972 states and 1534 transitions. [2018-04-11 18:20:33,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 18:20:33,599 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-04-11 18:20:33,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:20:33,605 INFO L225 Difference]: With dead ends: 972 [2018-04-11 18:20:33,605 INFO L226 Difference]: Without dead ends: 972 [2018-04-11 18:20:33,605 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-04-11 18:20:33,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2018-04-11 18:20:33,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 786. [2018-04-11 18:20:33,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2018-04-11 18:20:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1262 transitions. [2018-04-11 18:20:33,639 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1262 transitions. Word has length 16 [2018-04-11 18:20:33,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:20:33,640 INFO L459 AbstractCegarLoop]: Abstraction has 786 states and 1262 transitions. [2018-04-11 18:20:33,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 18:20:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1262 transitions. [2018-04-11 18:20:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 18:20:33,641 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:20:33,641 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:20:33,641 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_flockfree_____true_valid_memsafety_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr7RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr4RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 18:20:33,641 INFO L82 PathProgramCache]: Analyzing trace with hash 567949966, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:20:33,645 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:20:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:33,660 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:20:33,662 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:20:33,662 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:20:33,662 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:20:33,663 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:20:33,684 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 18:20:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:33,740 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 18:20:33,767 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:20:33,767 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:20:33,767 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:20:33,767 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 18:20:33,767 INFO L182 omatonBuilderFactory]: Interpolants [3828#true, 3829#false, 3833#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 3834#(= 1 (select |#valid| |__U_MULTI_flockfree_____true_valid_memsafety_i__push_#t~malloc2.base|)), 3835#(= 1 (select |#valid| ~x1~0.base)), 3836#(and (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base)|) (= ~res4~0 |old(~res4~0)|) (= ~x4~0.base |old(~x4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset)|) (= ~x1~0.offset |old(~x1~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)|) (= ~t1~0.base |old(~t1~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (= |#valid| |old(#valid)|) (= ~x1~0.base |old(~x1~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~x4~0.offset |old(~x4~0.offset)|) (= ~t4~0.base |old(~t4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base)|) (= ~t1~0.offset |old(~t1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~t4~0.offset |old(~t4~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset)|))] [2018-04-11 18:20:33,768 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 18:20:33,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:20:33,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:20:33,768 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:20:33,768 INFO L87 Difference]: Start difference. First operand 786 states and 1262 transitions. Second operand 6 states. [2018-04-11 18:20:34,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:20:34,171 INFO L93 Difference]: Finished difference Result 1554 states and 2525 transitions. [2018-04-11 18:20:34,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 18:20:34,172 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-04-11 18:20:34,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:20:34,180 INFO L225 Difference]: With dead ends: 1554 [2018-04-11 18:20:34,180 INFO L226 Difference]: Without dead ends: 1554 [2018-04-11 18:20:34,180 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=57, Unknown=7, NotChecked=16, Total=110 [2018-04-11 18:20:34,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2018-04-11 18:20:34,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1516. [2018-04-11 18:20:34,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1516 states. [2018-04-11 18:20:34,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 2476 transitions. [2018-04-11 18:20:34,230 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 2476 transitions. Word has length 16 [2018-04-11 18:20:34,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:20:34,230 INFO L459 AbstractCegarLoop]: Abstraction has 1516 states and 2476 transitions. [2018-04-11 18:20:34,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:20:34,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2476 transitions. [2018-04-11 18:20:34,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 18:20:34,231 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:20:34,231 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:20:34,231 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_flockfree_____true_valid_memsafety_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr7RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr4RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 18:20:34,231 INFO L82 PathProgramCache]: Analyzing trace with hash 567949967, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:20:34,235 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:20:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:34,254 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:20:34,257 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:20:34,257 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:20:34,258 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:20:34,258 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:20:34,266 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:20:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:34,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:20:34,340 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:20:34,340 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:20:34,340 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:20:34,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:20:34,341 INFO L182 omatonBuilderFactory]: Interpolants [6917#true, 6918#false, 6922#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 6923#(and (= 8 (select |#length| |__U_MULTI_flockfree_____true_valid_memsafety_i__push_#t~malloc2.base|)) (= 0 |__U_MULTI_flockfree_____true_valid_memsafety_i__push_#t~malloc2.offset|)), 6924#(and (<= (+ ~x1~0.offset 4) (select |#length| ~x1~0.base)) (<= 0 ~x1~0.offset)), 6925#(and (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base)|) (= ~res4~0 |old(~res4~0)|) (= ~x4~0.base |old(~x4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset)|) (= ~x1~0.offset |old(~x1~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)|) (= ~t1~0.base |old(~t1~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (= |#valid| |old(#valid)|) (= ~x1~0.base |old(~x1~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~x4~0.offset |old(~x4~0.offset)|) (= ~t4~0.base |old(~t4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base)|) (= ~t1~0.offset |old(~t1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~t4~0.offset |old(~t4~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset)|))] [2018-04-11 18:20:34,341 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 18:20:34,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:20:34,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:20:34,341 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:20:34,341 INFO L87 Difference]: Start difference. First operand 1516 states and 2476 transitions. Second operand 6 states. [2018-04-11 18:20:34,505 WARN L1011 $PredicateComparison]: unable to prove that (and (= c_~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base |c_old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base)|) (= c_~res4~0 |c_old(~res4~0)|) (= c_~x4~0.base |c_old(~x4~0.base)|) (= c_~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset |c_old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset)|) (= c_~x1~0.offset |c_old(~x1~0.offset)|) (<= (+ c_~x1~0.offset 4) (select |c_#length| c_~x1~0.base)) (= c_~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 |c_old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)|) (= c_~t1~0.base |c_old(~t1~0.base)|) (= c_~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |c_old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) :qid itp)) (= |c_#valid| |c_old(#valid)|) (= c_~x1~0.base |c_old(~x1~0.base)|) (= |c_#NULL.base| |c_old(#NULL.base)|) (= c_~x4~0.offset |c_old(~x4~0.offset)|) (= c_~t4~0.base |c_old(~t4~0.base)|) (= c_~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base |c_old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base)|) (= c_~t1~0.offset |c_old(~t1~0.offset)|) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (= c_~t4~0.offset |c_old(~t4~0.offset)|) (= c_~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset |c_old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset)|) (<= 0 c_~x1~0.offset)) is different from false [2018-04-11 18:20:34,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:20:34,694 INFO L93 Difference]: Finished difference Result 1846 states and 3053 transitions. [2018-04-11 18:20:34,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 18:20:34,694 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-04-11 18:20:34,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:20:34,703 INFO L225 Difference]: With dead ends: 1846 [2018-04-11 18:20:34,703 INFO L226 Difference]: Without dead ends: 1846 [2018-04-11 18:20:34,703 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=38, Unknown=4, NotChecked=26, Total=90 [2018-04-11 18:20:34,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2018-04-11 18:20:34,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1529. [2018-04-11 18:20:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1529 states. [2018-04-11 18:20:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 2504 transitions. [2018-04-11 18:20:34,753 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 2504 transitions. Word has length 16 [2018-04-11 18:20:34,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:20:34,753 INFO L459 AbstractCegarLoop]: Abstraction has 1529 states and 2504 transitions. [2018-04-11 18:20:34,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:20:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2504 transitions. [2018-04-11 18:20:34,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 18:20:34,754 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:20:34,754 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:20:34,754 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_flockfree_____true_valid_memsafety_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr7RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr4RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 18:20:34,754 INFO L82 PathProgramCache]: Analyzing trace with hash 828383343, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:20:34,758 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:20:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:34,871 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 18:20:34,873 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:20:34,873 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 18:20:34,873 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:20:34,874 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 18:20:34,874 INFO L182 omatonBuilderFactory]: Interpolants [10309#true, 10310#false, 10314#(= 1 ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0), 10315#(not (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 4)), 10316#(and (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (not (= |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)| 4))), 10317#(and (not (= |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)| 4)) (not (= |__U_MULTI_flockfree_____true_valid_memsafety_i__push_#t~post0| 4))), 10318#(not |__U_MULTI_flockfree_____true_valid_memsafety_i__push_#t~switch1|), 10319#(and (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base)|) (= ~res4~0 |old(~res4~0)|) (= ~x4~0.base |old(~x4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset)|) (= ~x1~0.offset |old(~x1~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)|) (= ~t1~0.base |old(~t1~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (= |#valid| |old(#valid)|) (= ~x1~0.base |old(~x1~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~x4~0.offset |old(~x4~0.offset)|) (= ~t4~0.base |old(~t4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base)|) (= ~t1~0.offset |old(~t1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~t4~0.offset |old(~t4~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset)|))] [2018-04-11 18:20:34,874 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 18:20:34,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 18:20:34,874 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 18:20:34,874 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 18:20:34,875 INFO L87 Difference]: Start difference. First operand 1529 states and 2504 transitions. Second operand 8 states. [2018-04-11 18:20:35,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:20:35,375 INFO L93 Difference]: Finished difference Result 3056 states and 4947 transitions. [2018-04-11 18:20:35,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 18:20:35,375 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-04-11 18:20:35,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:20:35,387 INFO L225 Difference]: With dead ends: 3056 [2018-04-11 18:20:35,388 INFO L226 Difference]: Without dead ends: 3056 [2018-04-11 18:20:35,388 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-04-11 18:20:35,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2018-04-11 18:20:35,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 2839. [2018-04-11 18:20:35,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2839 states. [2018-04-11 18:20:35,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 4576 transitions. [2018-04-11 18:20:35,481 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 4576 transitions. Word has length 17 [2018-04-11 18:20:35,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:20:35,481 INFO L459 AbstractCegarLoop]: Abstraction has 2839 states and 4576 transitions. [2018-04-11 18:20:35,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 18:20:35,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 4576 transitions. [2018-04-11 18:20:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 18:20:35,482 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:20:35,483 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:20:35,483 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_flockfree_____true_valid_memsafety_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr7RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr4RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 18:20:35,483 INFO L82 PathProgramCache]: Analyzing trace with hash 426579844, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:20:35,488 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:20:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:35,507 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:20:35,510 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:20:35,510 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:20:35,510 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:20:35,511 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:20:35,519 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:20:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:35,567 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 18:20:35,595 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:20:35,595 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:20:35,595 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:20:35,595 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 18:20:35,595 INFO L182 omatonBuilderFactory]: Interpolants [16229#true, 16230#false, 16234#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) :qid itp)), 16235#(and (= 8 (select |#length| |__U_MULTI_flockfree_____true_valid_memsafety_i__push_#t~malloc2.base|)) (= 0 |__U_MULTI_flockfree_____true_valid_memsafety_i__push_#t~malloc2.offset|)), 16236#(and (<= 0 (+ ~x1~0.offset 4)) (<= (+ ~x1~0.offset 8) (select |#length| ~x1~0.base))), 16237#(and (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base)|) (= ~res4~0 |old(~res4~0)|) (= ~x4~0.base |old(~x4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset)|) (= ~x1~0.offset |old(~x1~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)|) (= ~t1~0.base |old(~t1~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (= |#valid| |old(#valid)|) (= ~x1~0.base |old(~x1~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~x4~0.offset |old(~x4~0.offset)|) (= ~t4~0.base |old(~t4~0.base)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base)|) (= ~t1~0.offset |old(~t1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~t4~0.offset |old(~t4~0.offset)|) (= ~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset)|))] [2018-04-11 18:20:35,596 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 18:20:35,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:20:35,624 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:20:35,624 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:20:35,624 INFO L87 Difference]: Start difference. First operand 2839 states and 4576 transitions. Second operand 6 states. [2018-04-11 18:20:35,807 WARN L1011 $PredicateComparison]: unable to prove that (and (= c_~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base |c_old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.base)|) (= c_~res4~0 |c_old(~res4~0)|) (= c_~x4~0.base |c_old(~x4~0.base)|) (= c_~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset |c_old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.offset)|) (= c_~x1~0.offset |c_old(~x1~0.offset)|) (= c_~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0 |c_old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)|) (= c_~t1~0.base |c_old(~t1~0.base)|) (= c_~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0 |c_old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc1~0)|) (<= 0 (+ c_~x1~0.offset 4)) (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) :qid itp)) (= |c_#valid| |c_old(#valid)|) (= c_~x1~0.base |c_old(~x1~0.base)|) (= |c_#NULL.base| |c_old(#NULL.base)|) (= c_~x4~0.offset |c_old(~x4~0.offset)|) (= c_~t4~0.base |c_old(~t4~0.base)|) (= c_~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base |c_old(~__U_MULTI_flockfree_____true_valid_memsafety_i__garbage~0.base)|) (<= (+ c_~x1~0.offset 8) (select |c_#length| c_~x1~0.base)) (= c_~t1~0.offset |c_old(~t1~0.offset)|) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (= c_~t4~0.offset |c_old(~t4~0.offset)|) (= c_~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset |c_old(~__U_MULTI_flockfree_____true_valid_memsafety_i__S~0.offset)|)) is different from false [2018-04-11 18:20:36,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:20:36,000 INFO L93 Difference]: Finished difference Result 3456 states and 5657 transitions. [2018-04-11 18:20:36,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 18:20:36,001 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-04-11 18:20:36,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:20:36,018 INFO L225 Difference]: With dead ends: 3456 [2018-04-11 18:20:36,018 INFO L226 Difference]: Without dead ends: 3456 [2018-04-11 18:20:36,019 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=37, Unknown=5, NotChecked=26, Total=90 [2018-04-11 18:20:36,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3456 states. [2018-04-11 18:20:36,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3456 to 2838. [2018-04-11 18:20:36,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2838 states. [2018-04-11 18:20:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2838 states and 4541 transitions. [2018-04-11 18:20:36,107 INFO L78 Accepts]: Start accepts. Automaton has 2838 states and 4541 transitions. Word has length 17 [2018-04-11 18:20:36,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:20:36,107 INFO L459 AbstractCegarLoop]: Abstraction has 2838 states and 4541 transitions. [2018-04-11 18:20:36,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:20:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2838 states and 4541 transitions. [2018-04-11 18:20:36,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 18:20:36,108 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:20:36,108 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:20:36,108 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_flockfree_____true_valid_memsafety_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr7RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr3RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr1RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr5RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr0RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr2RequiresViolation, __U_MULTI_flockfree_____true_valid_memsafety_i__popErr4RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE]=== [2018-04-11 18:20:36,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1313944806, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:20:36,112 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:20:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:20:36,152 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: Unsupported proof rule: (let ((a!1 (= (and (not |__U_MULTI_flockfree_____true_valid_memsafety_i__pop_#t~switch4_14|) (not (= |old(~__U_MULTI_flockfree_____true_valid_memsafety_i__pc4~0)_10| 5)) false) false))) (rewrite a!1)) [2018-04-11 18:20:36,153 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 216 column 373: 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 18:20:36,155 INFO L168 Benchmark]: Toolchain (without parser) took 6352.28 ms. Allocated memory was 403.7 MB in the beginning and 686.3 MB in the end (delta: 282.6 MB). Free memory was 334.9 MB in the beginning and 523.1 MB in the end (delta: -188.1 MB). Peak memory consumption was 94.5 MB. Max. memory is 5.3 GB. [2018-04-11 18:20:36,156 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 403.7 MB. Free memory is still 362.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:20:36,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.73 ms. Allocated memory is still 403.7 MB. Free memory was 334.3 MB in the beginning and 307.2 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 5.3 GB. [2018-04-11 18:20:36,157 INFO L168 Benchmark]: Boogie Preprocessor took 41.51 ms. Allocated memory is still 403.7 MB. Free memory was 307.2 MB in the beginning and 304.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 18:20:36,157 INFO L168 Benchmark]: RCFGBuilder took 415.05 ms. Allocated memory was 403.7 MB in the beginning and 594.0 MB in the end (delta: 190.3 MB). Free memory was 304.5 MB in the beginning and 523.4 MB in the end (delta: -218.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 5.3 GB. [2018-04-11 18:20:36,158 INFO L168 Benchmark]: TraceAbstraction took 5642.03 ms. Allocated memory was 594.0 MB in the beginning and 686.3 MB in the end (delta: 92.3 MB). Free memory was 521.3 MB in the beginning and 523.1 MB in the end (delta: -1.7 MB). Peak memory consumption was 90.5 MB. Max. memory is 5.3 GB. [2018-04-11 18:20:36,160 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 403.7 MB. Free memory is still 362.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 250.73 ms. Allocated memory is still 403.7 MB. Free memory was 334.3 MB in the beginning and 307.2 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 41.51 ms. Allocated memory is still 403.7 MB. Free memory was 307.2 MB in the beginning and 304.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 415.05 ms. Allocated memory was 403.7 MB in the beginning and 594.0 MB in the end (delta: 190.3 MB). Free memory was 304.5 MB in the beginning and 523.4 MB in the end (delta: -218.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5642.03 ms. Allocated memory was 594.0 MB in the beginning and 686.3 MB in the end (delta: 92.3 MB). Free memory was 521.3 MB in the beginning and 523.1 MB in the end (delta: -1.7 MB). Peak memory consumption was 90.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 216 column 373: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 216 column 373: 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/lockfree-3.0_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_18-20-36-167.csv Received shutdown request...