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 -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/memsafety/test-0019_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-835382a-m [2018-04-05 17:04:40,431 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 17:04:40,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 17:04:40,446 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-05 17:04:40,446 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-05 17:04:40,447 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-05 17:04:40,448 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-05 17:04:40,450 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-05 17:04:40,453 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-05 17:04:40,453 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-05 17:04:40,454 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-05 17:04:40,454 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-05 17:04:40,455 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-05 17:04:40,457 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-05 17:04:40,458 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-05 17:04:40,460 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-05 17:04:40,462 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-05 17:04:40,464 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-05 17:04:40,465 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-05 17:04:40,467 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-05 17:04:40,469 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-05 17:04:40,469 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-05 17:04:40,469 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-05 17:04:40,470 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-05 17:04:40,471 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-05 17:04:40,473 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-05 17:04:40,473 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-05 17:04:40,473 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-05 17:04:40,474 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-05 17:04:40,474 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-05 17:04:40,475 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-05 17:04:40,475 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-05 17:04:40,499 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 17:04:40,499 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 17:04:40,499 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 17:04:40,499 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 17:04:40,500 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 17:04:40,500 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 17:04:40,500 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 17:04:40,501 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 17:04:40,501 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 17:04:40,501 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 17:04:40,501 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 17:04:40,501 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 17:04:40,501 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 17:04:40,502 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 17:04:40,502 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 17:04:40,502 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 17:04:40,502 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 17:04:40,502 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 17:04:40,502 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 17:04:40,503 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 17:04:40,503 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 17:04:40,503 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 17:04:40,503 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 17:04:40,503 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 17:04:40,503 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 17:04:40,504 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 17:04:40,504 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 17:04:40,504 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 17:04:40,504 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 17:04:40,504 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 17:04:40,505 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 17:04:40,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 17:04:40,505 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 17:04:40,505 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 17:04:40,506 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 17:04:40,506 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 17:04:40,506 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 17:04:40,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 17:04:40,549 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 17:04:40,553 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 17:04:40,554 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 17:04:40,555 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 17:04:40,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:40,992 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG430ab4a90 [2018-04-05 17:04:41,182 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 17:04:41,182 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 17:04:41,183 INFO L168 CDTParser]: Scanning test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,198 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 17:04:41,199 INFO L215 ultiparseSymbolTable]: [2018-04-05 17:04:41,199 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 17:04:41,199 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,199 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_data ('free_data') in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,199 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_data ('alloc_data') in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,199 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 17:04:41,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____caddr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____off64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_quad_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____qaddr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____blksize_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__sigset_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__blksize_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____u_char in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____rlim64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__fsblkcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__ulong in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____int32_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_rwlockattr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____id_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_int32_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__fd_set in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__clock_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__mode_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__daddr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____u_short in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__key_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____dev_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____ino_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__size_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____pid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____timer_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_mutexattr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____intptr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_barrier_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____u_quad_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_long in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_int in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____quad_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____gid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____mode_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fsid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_spinlock_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____sigset_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__caddr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____int16_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__off_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____suseconds_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____uint32_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__TData in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__div_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____u_long in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____rlim_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__wchar_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____socklen_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__lldiv_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__quad_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____pthread_list_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_int16_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__blkcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_cond_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_char in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____clockid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__uid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__int16_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____uid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_attr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____uint64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__ssize_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____int64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_once_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__uint in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__nlink_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__loff_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fsblkcnt64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_short in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____nlink_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__gid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_int8_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____clock_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_condattr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____blkcnt64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__fsfilcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fd_mask in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__int32_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__fsid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__clockid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____loff_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__suseconds_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____int8_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____sig_atomic_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____ssize_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__timer_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____time_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____WAIT_STATUS in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__ushort in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__fd_mask in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_mutex_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____off_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____uint16_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__int64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____ino64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____daddr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__int8_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fsfilcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_int64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__time_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____u_int in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____key_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____uint8_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__id_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____useconds_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fsfilcnt64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__ldiv_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__ino_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__dev_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____swblk_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____blkcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_barrierattr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__register_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_rwlock_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_key_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fsblkcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:41,230 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG430ab4a90 [2018-04-05 17:04:41,235 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 17:04:41,236 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 17:04:41,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 17:04:41,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 17:04:41,242 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 17:04:41,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:04:41" (1/1) ... [2018-04-05 17:04:41,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10acd53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:04:41, skipping insertion in model container [2018-04-05 17:04:41,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:04:41" (1/1) ... [2018-04-05 17:04:41,260 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 17:04:41,291 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 17:04:41,450 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 17:04:41,501 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 17:04:41,509 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-05 17:04:41,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:04:41 WrapperNode [2018-04-05 17:04:41,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 17:04:41,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 17:04:41,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 17:04:41,562 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 17:04:41,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:04:41" (1/1) ... [2018-04-05 17:04:41,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:04:41" (1/1) ... [2018-04-05 17:04:41,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:04:41" (1/1) ... [2018-04-05 17:04:41,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:04:41" (1/1) ... [2018-04-05 17:04:41,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:04:41" (1/1) ... [2018-04-05 17:04:41,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:04:41" (1/1) ... [2018-04-05 17:04:41,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:04:41" (1/1) ... [2018-04-05 17:04:41,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 17:04:41,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 17:04:41,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 17:04:41,610 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 17:04:41,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:04:41" (1/1) ... No working directory specified, using /storage/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 [2018-04-05 17:04:41,736 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 17:04:41,736 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 17:04:41,736 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_data [2018-04-05 17:04:41,736 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_data [2018-04-05 17:04:41,737 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 17:04:41,737 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-05 17:04:41,737 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-05 17:04:41,737 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-05 17:04:41,737 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-05 17:04:41,737 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-05 17:04:41,738 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-05 17:04:41,738 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-05 17:04:41,738 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-05 17:04:41,738 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-05 17:04:41,738 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-05 17:04:41,738 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-05 17:04:41,738 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-05 17:04:41,739 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-05 17:04:41,739 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-05 17:04:41,739 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-05 17:04:41,739 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-05 17:04:41,739 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-05 17:04:41,739 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-05 17:04:41,739 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-05 17:04:41,739 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-05 17:04:41,739 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-05 17:04:41,740 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-05 17:04:41,740 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-05 17:04:41,740 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-05 17:04:41,740 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-05 17:04:41,740 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-05 17:04:41,740 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-05 17:04:41,740 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-05 17:04:41,741 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-05 17:04:41,741 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-05 17:04:41,741 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-05 17:04:41,741 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-05 17:04:41,741 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-05 17:04:41,741 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-05 17:04:41,741 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-05 17:04:41,742 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-05 17:04:41,742 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-05 17:04:41,742 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-05 17:04:41,742 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-05 17:04:41,742 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-05 17:04:41,742 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-05 17:04:41,743 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-05 17:04:41,743 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-05 17:04:41,743 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-05 17:04:41,743 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-05 17:04:41,743 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-05 17:04:41,743 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-05 17:04:41,743 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-05 17:04:41,744 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-05 17:04:41,744 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-05 17:04:41,744 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-05 17:04:41,744 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-05 17:04:41,744 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-05 17:04:41,744 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-05 17:04:41,744 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-05 17:04:41,744 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-05 17:04:41,745 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-05 17:04:41,745 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-05 17:04:41,745 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-05 17:04:41,745 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-05 17:04:41,745 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-05 17:04:41,745 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-05 17:04:41,745 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-05 17:04:41,746 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-05 17:04:41,746 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-05 17:04:41,746 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-05 17:04:41,746 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-05 17:04:41,746 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-05 17:04:41,746 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-05 17:04:41,746 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-05 17:04:41,746 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-05 17:04:41,747 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-05 17:04:41,747 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-05 17:04:41,747 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-05 17:04:41,747 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-05 17:04:41,747 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-05 17:04:41,747 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-05 17:04:41,747 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-05 17:04:41,747 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-05 17:04:41,748 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-05 17:04:41,748 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-05 17:04:41,748 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-05 17:04:41,748 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-05 17:04:41,748 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-05 17:04:41,748 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-05 17:04:41,748 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-05 17:04:41,748 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-05 17:04:41,749 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-05 17:04:41,749 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-05 17:04:41,749 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-05 17:04:41,749 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-05 17:04:41,749 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-05 17:04:41,749 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-05 17:04:41,749 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-05 17:04:41,750 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-05 17:04:41,750 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-05 17:04:41,750 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-05 17:04:41,750 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-05 17:04:41,750 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-05 17:04:41,750 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-05 17:04:41,750 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-05 17:04:41,750 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-05 17:04:41,751 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_data [2018-04-05 17:04:41,751 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-05 17:04:41,751 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-05 17:04:41,751 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_data [2018-04-05 17:04:41,751 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-05 17:04:41,751 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 17:04:41,751 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 17:04:41,751 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 17:04:41,752 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 17:04:42,073 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 17:04:42,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:04:42 BoogieIcfgContainer [2018-04-05 17:04:42,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 17:04:42,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-05 17:04:42,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-05 17:04:42,077 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-05 17:04:42,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 05:04:41" (1/3) ... [2018-04-05 17:04:42,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a0b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:04:42, skipping insertion in model container [2018-04-05 17:04:42,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:04:41" (2/3) ... [2018-04-05 17:04:42,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a0b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:04:42, skipping insertion in model container [2018-04-05 17:04:42,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:04:42" (3/3) ... [2018-04-05 17:04:42,081 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_false-valid-memtrack_true-termination.i [2018-04-05 17:04:42,090 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-05 17:04:42,097 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-04-05 17:04:42,139 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-05 17:04:42,140 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-05 17:04:42,140 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-05 17:04:42,140 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-05 17:04:42,140 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-05 17:04:42,140 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-05 17:04:42,140 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-05 17:04:42,140 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-05 17:04:42,140 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-05 17:04:42,141 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-05 17:04:42,159 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-04-05 17:04:42,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-05 17:04:42,164 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:04:42,165 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:04:42,165 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-05 17:04:42,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1377994438, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-04-05 17:04:42,181 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:04:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:04:42,219 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:04:42,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 17:04:42,290 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:42,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:42,307 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 17:04:42,412 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:04:42,417 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:04:42,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-05 17:04:42,420 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:42,469 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:04:42,469 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-05 17:04:42,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:04:42,565 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:04:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:04:42,960 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:04:42,960 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-05 17:04:42,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-05 17:04:42,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-05 17:04:42,980 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-04-05 17:04:42,983 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 9 states. [2018-04-05 17:04:44,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:04:44,006 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-04-05 17:04:44,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 17:04:44,009 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2018-04-05 17:04:44,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:04:44,029 INFO L225 Difference]: With dead ends: 58 [2018-04-05 17:04:44,029 INFO L226 Difference]: Without dead ends: 53 [2018-04-05 17:04:44,034 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-04-05 17:04:44,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-05 17:04:44,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-05 17:04:44,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-05 17:04:44,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-04-05 17:04:44,122 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 11 [2018-04-05 17:04:44,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:04:44,123 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-04-05 17:04:44,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-05 17:04:44,124 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-04-05 17:04:44,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-05 17:04:44,124 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:04:44,125 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:04:44,125 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-05 17:04:44,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1377994439, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-04-05 17:04:44,151 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:04:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:04:44,173 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:04:44,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 17:04:44,213 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:44,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 17:04:44,257 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:44,291 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:44,292 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-05 17:04:44,481 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:04:44,484 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:04:44,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 17:04:44,485 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:44,544 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:04:44,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-05 17:04:44,546 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:44,585 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:04:44,585 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-04-05 17:04:44,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:04:44,661 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:04:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:04:45,253 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:04:45,254 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-04-05 17:04:45,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-05 17:04:45,259 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-05 17:04:45,259 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-04-05 17:04:45,260 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 10 states. [2018-04-05 17:04:45,932 WARN L148 SmtUtils]: Spent 221ms on a formula simplification that was a NOOP. DAG size: 20 [2018-04-05 17:04:46,192 WARN L148 SmtUtils]: Spent 189ms on a formula simplification that was a NOOP. DAG size: 25 [2018-04-05 17:04:46,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:04:46,772 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-04-05 17:04:46,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-05 17:04:46,773 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2018-04-05 17:04:46,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:04:46,774 INFO L225 Difference]: With dead ends: 53 [2018-04-05 17:04:46,774 INFO L226 Difference]: Without dead ends: 51 [2018-04-05 17:04:46,776 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-04-05 17:04:46,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-05 17:04:46,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-05 17:04:46,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-05 17:04:46,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-04-05 17:04:46,797 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 11 [2018-04-05 17:04:46,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:04:46,797 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-04-05 17:04:46,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-05 17:04:46,798 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-04-05 17:04:46,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-05 17:04:46,807 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:04:46,808 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:04:46,808 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-05 17:04:46,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1152976614, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-04-05 17:04:46,834 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:04:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:04:46,913 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:04:47,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:04:47,064 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:04:47,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 7 [2018-04-05 17:04:47,194 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:47,208 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:47,208 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:3 [2018-04-05 17:04:47,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:04:47,277 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:04:47,277 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-05 17:04:47,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-05 17:04:47,278 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-05 17:04:47,278 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-05 17:04:47,278 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 7 states. [2018-04-05 17:04:47,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:04:47,995 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2018-04-05 17:04:47,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-05 17:04:47,995 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-04-05 17:04:47,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:04:47,997 INFO L225 Difference]: With dead ends: 60 [2018-04-05 17:04:47,997 INFO L226 Difference]: Without dead ends: 56 [2018-04-05 17:04:47,998 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-04-05 17:04:47,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-05 17:04:48,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 49. [2018-04-05 17:04:48,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-05 17:04:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2018-04-05 17:04:48,014 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 18 [2018-04-05 17:04:48,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:04:48,015 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2018-04-05 17:04:48,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-05 17:04:48,015 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-04-05 17:04:48,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-05 17:04:48,016 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:04:48,016 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:04:48,017 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-05 17:04:48,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1152976615, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-04-05 17:04:48,050 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:04:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:04:48,096 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:04:48,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:04:48,424 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:04:48,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-04-05 17:04:48,775 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:48,796 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:04:48,797 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2018-04-05 17:04:48,818 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:04:48,823 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:04:48,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2018-04-05 17:04:48,825 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:48,831 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:48,832 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2018-04-05 17:04:48,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:04:48,923 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:04:48,923 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2018-04-05 17:04:48,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-05 17:04:48,924 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-05 17:04:48,924 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-05 17:04:48,924 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 11 states. [2018-04-05 17:04:49,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:04:49,626 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-04-05 17:04:49,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-05 17:04:49,637 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2018-04-05 17:04:49,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:04:49,638 INFO L225 Difference]: With dead ends: 49 [2018-04-05 17:04:49,639 INFO L226 Difference]: Without dead ends: 47 [2018-04-05 17:04:49,639 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-05 17:04:49,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-05 17:04:49,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-05 17:04:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-05 17:04:49,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-04-05 17:04:49,646 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 18 [2018-04-05 17:04:49,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:04:49,646 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-04-05 17:04:49,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-05 17:04:49,646 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-04-05 17:04:49,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-05 17:04:49,660 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:04:49,661 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:04:49,661 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-05 17:04:49,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1472836631, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-04-05 17:04:49,682 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:04:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:04:49,729 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:04:50,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:04:50,392 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:04:50,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-04-05 17:04:50,943 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:50,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:50,967 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:3 [2018-04-05 17:04:51,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 18 [2018-04-05 17:04:51,074 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-05 17:04:51,098 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:04:51,099 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:9 [2018-04-05 17:04:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:04:51,185 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:04:51,186 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 13 [2018-04-05 17:04:51,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-05 17:04:51,186 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-05 17:04:51,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-04-05 17:04:51,187 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 14 states. [2018-04-05 17:04:52,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:04:52,123 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-04-05 17:04:52,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 17:04:52,124 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2018-04-05 17:04:52,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:04:52,125 INFO L225 Difference]: With dead ends: 47 [2018-04-05 17:04:52,125 INFO L226 Difference]: Without dead ends: 45 [2018-04-05 17:04:52,126 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-04-05 17:04:52,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-05 17:04:52,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-04-05 17:04:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-05 17:04:52,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-04-05 17:04:52,150 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 21 [2018-04-05 17:04:52,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:04:52,151 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-04-05 17:04:52,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-05 17:04:52,151 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-04-05 17:04:52,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-05 17:04:52,152 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:04:52,152 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:04:52,152 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-05 17:04:52,152 INFO L82 PathProgramCache]: Analyzing trace with hash 889568599, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-04-05 17:04:52,189 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:04:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:04:52,232 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:04:52,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 17:04:52,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 17:04:52,374 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:52,399 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:52,460 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:52,460 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-04-05 17:04:52,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-05 17:04:52,816 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:04:52,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-05 17:04:52,818 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:52,847 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:52,874 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:52,875 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-05 17:04:53,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-04-05 17:04:53,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-04-05 17:04:53,201 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:53,205 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:53,221 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:53,221 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:3 [2018-04-05 17:04:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:04:53,372 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:04:53,943 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-05 17:04:53,943 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:53,945 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:53,945 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:1 [2018-04-05 17:04:54,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-05 17:04:54,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2018-04-05 17:04:54,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2018-04-05 17:04:54,499 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-05 17:04:54,544 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:04:54,600 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:04:54,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-05 17:04:54,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-05 17:04:54,608 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:54,614 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:54,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2018-04-05 17:04:54,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 31 [2018-04-05 17:04:54,965 WARN L151 SmtUtils]: Spent 246ms on a formula simplification. DAG size of input: 27 DAG size of output 24 [2018-04-05 17:04:54,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2018-04-05 17:04:54,974 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:55,414 INFO L303 Elim1Store]: Index analysis took 118 ms [2018-04-05 17:04:55,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2018-04-05 17:04:55,570 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-04-05 17:04:55,648 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:04:55,801 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:04:55,885 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-05 17:04:55,885 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 1 variables, input treesize:20, output treesize:21 [2018-04-05 17:04:56,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:04:56,267 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:04:56,267 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 20 [2018-04-05 17:04:56,268 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-05 17:04:56,268 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-05 17:04:56,268 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2018-04-05 17:04:56,269 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 21 states. [2018-04-05 17:04:57,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:04:57,670 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-04-05 17:04:57,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-05 17:04:57,671 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 25 [2018-04-05 17:04:57,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:04:57,672 INFO L225 Difference]: With dead ends: 45 [2018-04-05 17:04:57,672 INFO L226 Difference]: Without dead ends: 44 [2018-04-05 17:04:57,673 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2018-04-05 17:04:57,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-05 17:04:57,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-04-05 17:04:57,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-04-05 17:04:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-04-05 17:04:57,688 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 25 [2018-04-05 17:04:57,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:04:57,689 INFO L459 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-04-05 17:04:57,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-05 17:04:57,689 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-04-05 17:04:57,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-05 17:04:57,690 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:04:57,690 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:04:57,690 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-05 17:04:57,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1806822861, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-04-05 17:04:57,733 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:04:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:04:57,809 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:04:57,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 17:04:57,894 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:57,925 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:57,926 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-05 17:04:58,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 17:04:58,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 17:04:58,025 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:58,032 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:58,064 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:58,064 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2018-04-05 17:04:58,137 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:04:58,149 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:04:58,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 33 [2018-04-05 17:04:58,151 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:58,197 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:58,198 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:29 [2018-04-05 17:04:58,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2018-04-05 17:04:58,333 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:04:58,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2018-04-05 17:04:58,335 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:58,367 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:58,403 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:04:58,403 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-04-05 17:04:58,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2018-04-05 17:04:58,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 15 [2018-04-05 17:04:58,733 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:04:58,767 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:04:58,792 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:04:58,792 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:15 [2018-04-05 17:04:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:04:58,994 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:04:59,844 WARN L148 SmtUtils]: Spent 102ms on a formula simplification that was a NOOP. DAG size: 31 [2018-04-05 17:04:59,967 WARN L148 SmtUtils]: Spent 122ms on a formula simplification that was a NOOP. DAG size: 31 [2018-04-05 17:04:59,995 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-05 17:04:59,995 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:33, output treesize:1 [2018-04-05 17:05:00,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-04-05 17:05:00,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2018-04-05 17:05:00,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2018-04-05 17:05:00,513 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 17:05:00,576 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 17:05:00,722 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 17:05:00,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 37 [2018-04-05 17:05:00,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 41 [2018-04-05 17:05:01,114 WARN L151 SmtUtils]: Spent 252ms on a formula simplification. DAG size of input: 36 DAG size of output 32 [2018-04-05 17:05:01,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2018-04-05 17:05:01,167 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 17:05:01,300 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 17:05:01,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 35 [2018-04-05 17:05:01,531 WARN L151 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 27 DAG size of output 25 [2018-04-05 17:05:01,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2018-04-05 17:05:01,626 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 17:05:01,698 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 17:05:01,857 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-04-05 17:05:01,858 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:05:02,020 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-05 17:05:02,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-04-05 17:05:02,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2018-04-05 17:05:02,042 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:05:02,086 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:05:02,444 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 10 dim-0 vars, and 5 xjuncts. [2018-04-05 17:05:02,445 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 2 variables, input treesize:32, output treesize:123 [2018-04-05 17:05:02,844 WARN L151 SmtUtils]: Spent 234ms on a formula simplification. DAG size of input: 72 DAG size of output 46 [2018-04-05 17:05:03,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:05:03,106 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:05:03,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2018-04-05 17:05:03,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-05 17:05:03,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-05 17:05:03,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2018-04-05 17:05:03,107 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 23 states. [2018-04-05 17:05:04,386 WARN L151 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 42 DAG size of output 35 [2018-04-05 17:05:04,721 WARN L151 SmtUtils]: Spent 246ms on a formula simplification. DAG size of input: 49 DAG size of output 38 [2018-04-05 17:05:05,106 WARN L151 SmtUtils]: Spent 278ms on a formula simplification. DAG size of input: 42 DAG size of output 35 [2018-04-05 17:05:06,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:05:06,020 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-04-05 17:05:06,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-05 17:05:06,021 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 26 [2018-04-05 17:05:06,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:05:06,036 INFO L225 Difference]: With dead ends: 47 [2018-04-05 17:05:06,036 INFO L226 Difference]: Without dead ends: 46 [2018-04-05 17:05:06,037 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=141, Invalid=729, Unknown=0, NotChecked=0, Total=870 [2018-04-05 17:05:06,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-05 17:05:06,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2018-04-05 17:05:06,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-05 17:05:06,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-04-05 17:05:06,053 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 26 [2018-04-05 17:05:06,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:05:06,053 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-04-05 17:05:06,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-05 17:05:06,053 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-04-05 17:05:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-05 17:05:06,054 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:05:06,054 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:05:06,054 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-05 17:05:06,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1189984047, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-04-05 17:05:06,090 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:05:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:05:06,150 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:05:06,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 17:05:06,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 17:05:06,389 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:06,398 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:06,440 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:06,441 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-04-05 17:05:06,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-05 17:05:06,496 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:05:06,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-05 17:05:06,498 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:06,530 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:06,549 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:06,550 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-05 17:05:06,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-04-05 17:05:06,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-04-05 17:05:06,974 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:06,995 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:07,009 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:07,009 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:3 [2018-04-05 17:05:07,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:05:07,310 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:05:07,927 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-05 17:05:07,927 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:07,930 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:07,930 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:1 [2018-04-05 17:05:08,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-05 17:05:08,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2018-04-05 17:05:08,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2018-04-05 17:05:08,501 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-05 17:05:08,537 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:05:08,615 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:05:08,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-05 17:05:08,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-05 17:05:08,624 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:08,631 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:08,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2018-04-05 17:05:08,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-05 17:05:08,703 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:08,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 31 [2018-04-05 17:05:09,013 WARN L151 SmtUtils]: Spent 181ms on a formula simplification. DAG size of input: 28 DAG size of output 24 [2018-04-05 17:05:09,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2018-04-05 17:05:09,052 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-04-05 17:05:09,161 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:05:09,276 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:05:09,365 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-05 17:05:09,366 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 1 variables, input treesize:20, output treesize:22 [2018-04-05 17:05:09,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:05:09,786 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:05:09,787 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13, 12] imperfect sequences [] total 21 [2018-04-05 17:05:09,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-05 17:05:09,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-05 17:05:09,788 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2018-04-05 17:05:09,788 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 22 states. [2018-04-05 17:05:11,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:05:11,504 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-04-05 17:05:11,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-05 17:05:11,504 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 28 [2018-04-05 17:05:11,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:05:11,506 INFO L225 Difference]: With dead ends: 46 [2018-04-05 17:05:11,506 INFO L226 Difference]: Without dead ends: 45 [2018-04-05 17:05:11,507 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=144, Invalid=726, Unknown=0, NotChecked=0, Total=870 [2018-04-05 17:05:11,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-05 17:05:11,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2018-04-05 17:05:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-05 17:05:11,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-04-05 17:05:11,519 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 28 [2018-04-05 17:05:11,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:05:11,520 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-04-05 17:05:11,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-05 17:05:11,520 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-04-05 17:05:11,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-05 17:05:11,521 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:05:11,521 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:05:11,522 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-05 17:05:11,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1765200134, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-04-05 17:05:11,547 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:05:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:05:11,635 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:05:11,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 17:05:11,697 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:11,716 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:11,717 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-05 17:05:11,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 17:05:11,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 17:05:11,788 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:11,795 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:11,830 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:11,831 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2018-04-05 17:05:11,934 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:05:11,937 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:05:11,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-05 17:05:11,938 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:11,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:11,967 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-04-05 17:05:12,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-04-05 17:05:12,077 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:05:12,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-05 17:05:12,079 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:12,126 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:12,167 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:12,168 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:14 [2018-04-05 17:05:12,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-04-05 17:05:12,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 4 [2018-04-05 17:05:12,605 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:12,611 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:12,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:12,619 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:4 [2018-04-05 17:05:12,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:05:12,769 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:05:13,419 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:13,419 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:29, output treesize:1 [2018-04-05 17:05:13,965 WARN L148 SmtUtils]: Spent 133ms on a formula simplification that was a NOOP. DAG size: 33 [2018-04-05 17:05:13,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-04-05 17:05:13,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 27 [2018-04-05 17:05:14,480 WARN L151 SmtUtils]: Spent 494ms on a formula simplification. DAG size of input: 30 DAG size of output 28 [2018-04-05 17:05:14,489 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:05:14,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2018-04-05 17:05:14,544 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-05 17:05:14,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-04-05 17:05:14,551 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:14,564 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:05:14,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 15 [2018-04-05 17:05:14,572 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:14,664 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:05:14,701 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:05:14,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-05 17:05:14,714 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:05:14,715 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 10 [2018-04-05 17:05:14,715 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-05 17:05:14,736 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:05:14,793 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-05 17:05:14,793 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:50, output treesize:37 [2018-04-05 17:05:15,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:05:15,220 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:05:15,221 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15, 14] imperfect sequences [] total 25 [2018-04-05 17:05:15,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-05 17:05:15,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-05 17:05:15,222 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2018-04-05 17:05:15,222 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 25 states. [2018-04-05 17:05:16,912 WARN L148 SmtUtils]: Spent 124ms on a formula simplification that was a NOOP. DAG size: 27 [2018-04-05 17:05:17,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:05:17,574 INFO L93 Difference]: Finished difference Result 50 states and 49 transitions. [2018-04-05 17:05:17,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-05 17:05:17,576 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 29 [2018-04-05 17:05:17,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:05:17,576 INFO L225 Difference]: With dead ends: 50 [2018-04-05 17:05:17,577 INFO L226 Difference]: Without dead ends: 33 [2018-04-05 17:05:17,578 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=180, Invalid=1080, Unknown=0, NotChecked=0, Total=1260 [2018-04-05 17:05:17,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-04-05 17:05:17,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-04-05 17:05:17,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-04-05 17:05:17,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 32 transitions. [2018-04-05 17:05:17,595 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 32 transitions. Word has length 29 [2018-04-05 17:05:17,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:05:17,602 INFO L459 AbstractCegarLoop]: Abstraction has 33 states and 32 transitions. [2018-04-05 17:05:17,602 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-05 17:05:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2018-04-05 17:05:17,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-05 17:05:17,603 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:05:17,603 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:05:17,603 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-05 17:05:17,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1173553307, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-04-05 17:05:17,622 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:05:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-05 17:05:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-05 17:05:17,843 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-05 17:05:17,891 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-05 17:05:17,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 05:05:17 BoogieIcfgContainer [2018-04-05 17:05:17,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-05 17:05:17,951 INFO L168 Benchmark]: Toolchain (without parser) took 36716.22 ms. Allocated memory was 295.2 MB in the beginning and 503.8 MB in the end (delta: 208.7 MB). Free memory was 233.6 MB in the beginning and 433.2 MB in the end (delta: -199.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. [2018-04-05 17:05:17,957 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 295.2 MB. Free memory is still 257.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 17:05:17,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.66 ms. Allocated memory is still 295.2 MB. Free memory was 232.6 MB in the beginning and 208.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-05 17:05:17,958 INFO L168 Benchmark]: Boogie Preprocessor took 47.04 ms. Allocated memory is still 295.2 MB. Free memory was 208.7 MB in the beginning and 206.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-05 17:05:17,958 INFO L168 Benchmark]: RCFGBuilder took 463.92 ms. Allocated memory was 295.2 MB in the beginning and 422.6 MB in the end (delta: 127.4 MB). Free memory was 206.7 MB in the beginning and 361.6 MB in the end (delta: -154.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. [2018-04-05 17:05:17,959 INFO L168 Benchmark]: TraceAbstraction took 35876.34 ms. Allocated memory was 422.6 MB in the beginning and 503.8 MB in the end (delta: 81.3 MB). Free memory was 361.6 MB in the beginning and 433.2 MB in the end (delta: -71.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 5.3 GB. [2018-04-05 17:05:17,961 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 295.2 MB. Free memory is still 257.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 324.66 ms. Allocated memory is still 295.2 MB. Free memory was 232.6 MB in the beginning and 208.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 47.04 ms. Allocated memory is still 295.2 MB. Free memory was 208.7 MB in the beginning and 206.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 463.92 ms. Allocated memory was 295.2 MB in the beginning and 422.6 MB in the end (delta: 127.4 MB). Free memory was 206.7 MB in the beginning and 361.6 MB in the end (delta: -154.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 35876.34 ms. Allocated memory was 422.6 MB in the beginning and 503.8 MB in the end (delta: 81.3 MB). Free memory was 361.6 MB in the beginning and 433.2 MB in the end (delta: -71.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 639]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 639. Possible FailurePath: [L640] FCALL TData data; VAL [data={7:0}] [L641] CALL alloc_data(&data) VAL [pdata={7:0}] [L625] EXPR, FCALL malloc(16) VAL [malloc(16)={9:0}, pdata={7:0}, pdata={7:0}] [L625] FCALL pdata->lo = malloc(16) VAL [malloc(16)={9:0}, pdata={7:0}, pdata={7:0}] [L626] EXPR, FCALL malloc(24) VAL [malloc(16)={9:0}, malloc(24)={6:0}, pdata={7:0}, pdata={7:0}] [L626] RET, FCALL pdata->hi = malloc(24) VAL [malloc(16)={9:0}, malloc(24)={6:0}, pdata={7:0}, pdata={7:0}] [L641] alloc_data(&data) VAL [data={7:0}] [L642] CALL free_data(&data) VAL [data={7:0}] [L630] EXPR, FCALL data->lo VAL [data={7:0}, data={7:0}, data->lo={9:0}] [L630] void *lo = data->lo; VAL [data={7:0}, data={7:0}, data->lo={9:0}, lo={9:0}] [L631] EXPR, FCALL data->hi VAL [data={7:0}, data={7:0}, data->hi={6:0}, lo={9:0}] [L631] void *hi = data->hi; VAL [data={7:0}, data={7:0}, data->hi={6:0}, hi={6:0}, lo={9:0}] [L632] COND FALSE !(lo == hi) VAL [data={7:0}, data={7:0}, hi={6:0}, lo={9:0}] [L636] FCALL data->lo = (void *) 0 VAL [data={7:0}, data={7:0}, hi={6:0}, lo={9:0}] [L637] RET, FCALL data->hi = (void *) 0 VAL [data={7:0}, data={7:0}, hi={6:0}, lo={9:0}] [L642] free_data(&data) VAL [data={7:0}] [L643] return 0; VAL [\result=0, data={7:0}] [L643] return 0; VAL [\result=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 58 locations, 17 error locations. UNSAFE Result, 35.8s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 13.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 287 SDtfs, 473 SDslu, 1789 SDs, 0 SdLazy, 1482 SolverSat, 103 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 237 SyntacticMatches, 4 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 16.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 20.5s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 356 ConstructedInterpolants, 20 QuantifiedInterpolants, 56481 SizeOfPredicates, 88 NumberOfNonLiveVariables, 928 ConjunctsInSsa, 209 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-05_17-05-17-987.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-05_17-05-17-987.csv Received shutdown request...