java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/memsafety/20051113-1.c_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 05:32:23,466 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 05:32:23,467 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 05:32:23,477 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 05:32:23,478 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 05:32:23,478 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 05:32:23,479 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 05:32:23,480 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 05:32:23,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 05:32:23,482 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 05:32:23,483 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 05:32:23,483 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 05:32:23,484 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 05:32:23,485 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 05:32:23,485 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 05:32:23,487 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 05:32:23,488 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 05:32:23,490 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 05:32:23,491 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 05:32:23,492 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 05:32:23,493 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-13 05:32:23,493 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-13 05:32:23,494 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-13 05:32:23,495 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-13 05:32:23,495 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-13 05:32:23,496 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-13 05:32:23,496 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-13 05:32:23,497 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-13 05:32:23,497 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-13 05:32:23,498 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-13 05:32:23,498 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-13 05:32:23,498 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-13 05:32:23,509 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 05:32:23,509 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 05:32:23,510 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 05:32:23,510 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 05:32:23,511 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 05:32:23,511 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 05:32:23,511 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 05:32:23,511 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 05:32:23,511 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 05:32:23,511 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 05:32:23,512 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 05:32:23,512 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 05:32:23,512 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 05:32:23,512 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 05:32:23,512 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 05:32:23,512 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 05:32:23,513 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 05:32:23,513 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 05:32:23,513 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 05:32:23,513 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 05:32:23,513 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 05:32:23,513 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-13 05:32:23,513 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-13 05:32:23,514 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-13 05:32:23,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 05:32:23,554 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 05:32:23,558 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 05:32:23,560 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 05:32:23,560 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 05:32:23,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:23,925 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG3a7b66d9b [2018-04-13 05:32:24,065 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 05:32:24,065 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 05:32:24,066 INFO L168 CDTParser]: Scanning 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,072 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 05:32:24,073 INFO L215 ultiparseSymbolTable]: [2018-04-13 05:32:24,073 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 05:32:24,073 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_f___________c_false_valid_memtrack_i__Sum ('Sum') in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,073 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_f___________c_false_valid_memtrack_i__dummy_abort ('dummy_abort') in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,073 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,073 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_f___________c_false_valid_memtrack_i__Sum2 ('Sum2') in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,073 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 05:32:24,074 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__pthread_mutexattr_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,074 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____fsfilcnt_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,074 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__size_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,074 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__key_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,074 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____time_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,074 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__int8_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,074 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__caddr_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,074 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____mode_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,074 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__u_int in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,074 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____int32_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____intptr_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__div_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____timer_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__fsblkcnt_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__ldiv_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__off_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____rlim64_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__u_int64_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__uid_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____suseconds_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,075 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__time_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__pthread_rwlock_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____fsblkcnt_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____socklen_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__register_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__int16_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__lldiv_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____fsfilcnt64_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__ino_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____rlim_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____swblk_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,076 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__pthread_mutex_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__ssize_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____uid_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____u_char in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____off64_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____sig_atomic_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__pthread_key_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____fsblkcnt64_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__u_int32_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____fd_mask in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__sigset_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____id_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,077 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__pthread_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__id_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____blkcnt64_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__pthread_rwlockattr_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__u_int8_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____nlink_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__uint in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__Union in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__clockid_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____ssize_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__fsfilcnt_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__nlink_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,078 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__timer_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__int32_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____uint64_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__fd_mask in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____off_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__ushort in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____pid_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____ino_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__suseconds_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____loff_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____sigset_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____ino64_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,079 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__quad_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__u_int16_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____uint16_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__fsid_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____clock_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__pthread_cond_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____daddr_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____blkcnt_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__int64_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____gid_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__pthread_spinlock_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,080 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____WAIT_STATUS in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____u_int in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__dev_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____key_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____uint8_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__u_char in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__loff_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____clockid_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____quad_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____pthread_list_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__pthread_barrierattr_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____int64_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____u_quad_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__pthread_barrier_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__pthread_attr_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__wchar_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____useconds_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__u_quad_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__pthread_once_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____qaddr_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__blkcnt_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,081 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__Struct3 in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__Struct2 in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____blksize_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__blksize_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__Struct1 in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____u_long in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____int16_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__pthread_condattr_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____uint32_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__gid_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__daddr_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____int8_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__u_short in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,082 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____fsid_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____dev_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__mode_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__ulong in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____u_short in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__u_long in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__clock_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__pid_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i____caddr_t in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,083 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________c_false_valid_memtrack_i__fd_set in 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,097 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG3a7b66d9b [2018-04-13 05:32:24,100 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 05:32:24,101 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 05:32:24,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 05:32:24,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 05:32:24,105 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 05:32:24,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:32:24" (1/1) ... [2018-04-13 05:32:24,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b7225af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:32:24, skipping insertion in model container [2018-04-13 05:32:24,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:32:24" (1/1) ... [2018-04-13 05:32:24,119 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 05:32:24,144 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 05:32:24,278 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 05:32:24,320 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 05:32:24,326 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-13 05:32:24,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:32:24 WrapperNode [2018-04-13 05:32:24,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 05:32:24,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 05:32:24,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 05:32:24,355 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 05:32:24,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:32:24" (1/1) ... [2018-04-13 05:32:24,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:32:24" (1/1) ... [2018-04-13 05:32:24,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:32:24" (1/1) ... [2018-04-13 05:32:24,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:32:24" (1/1) ... [2018-04-13 05:32:24,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:32:24" (1/1) ... [2018-04-13 05:32:24,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:32:24" (1/1) ... [2018-04-13 05:32:24,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:32:24" (1/1) ... [2018-04-13 05:32:24,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 05:32:24,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 05:32:24,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 05:32:24,397 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 05:32:24,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:32:24" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 05:32:24,481 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 05:32:24,481 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 05:32:24,481 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f___________c_false_valid_memtrack_i__Sum [2018-04-13 05:32:24,482 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f___________c_false_valid_memtrack_i__Sum2 [2018-04-13 05:32:24,482 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f___________c_false_valid_memtrack_i__dummy_abort [2018-04-13 05:32:24,482 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 05:32:24,482 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-04-13 05:32:24,482 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-13 05:32:24,482 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-13 05:32:24,482 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-13 05:32:24,482 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-13 05:32:24,482 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-13 05:32:24,482 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-13 05:32:24,482 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-13 05:32:24,482 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-13 05:32:24,482 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-13 05:32:24,482 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-13 05:32:24,482 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-13 05:32:24,482 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-13 05:32:24,482 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-13 05:32:24,483 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-13 05:32:24,484 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-13 05:32:24,485 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-13 05:32:24,486 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-13 05:32:24,487 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_f___________c_false_valid_memtrack_i__Sum [2018-04-13 05:32:24,488 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-13 05:32:24,488 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-13 05:32:24,488 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_f___________c_false_valid_memtrack_i__Sum2 [2018-04-13 05:32:24,488 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_f___________c_false_valid_memtrack_i__dummy_abort [2018-04-13 05:32:24,488 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 05:32:24,488 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 05:32:24,488 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-04-13 05:32:24,488 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 05:32:24,488 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 05:32:24,488 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-13 05:32:24,488 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 05:32:24,672 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-13 05:32:24,874 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 05:32:24,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:32:24 BoogieIcfgContainer [2018-04-13 05:32:24,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 05:32:24,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 05:32:24,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 05:32:24,878 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 05:32:24,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 05:32:24" (1/3) ... [2018-04-13 05:32:24,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2b67ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:32:24, skipping insertion in model container [2018-04-13 05:32:24,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:32:24" (2/3) ... [2018-04-13 05:32:24,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2b67ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:32:24, skipping insertion in model container [2018-04-13 05:32:24,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:32:24" (3/3) ... [2018-04-13 05:32:24,880 INFO L107 eAbstractionObserver]: Analyzing ICFG 20051113-1.c_false-valid-memtrack.i [2018-04-13 05:32:24,886 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-13 05:32:24,894 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 49 error locations. [2018-04-13 05:32:24,917 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 05:32:24,918 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 05:32:24,918 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 05:32:24,918 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-13 05:32:24,918 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-13 05:32:24,918 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 05:32:24,918 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 05:32:24,918 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 05:32:24,918 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 05:32:24,919 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 05:32:24,929 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2018-04-13 05:32:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-13 05:32:24,936 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:24,937 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:32:24,937 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:24,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1485821074, now seen corresponding path program 1 times [2018-04-13 05:32:24,941 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:24,942 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:24,970 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:24,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:24,971 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:25,002 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:25,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 05:32:25,046 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:32:25,047 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 05:32:25,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 05:32:25,055 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 05:32:25,056 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 05:32:25,057 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 4 states. [2018-04-13 05:32:25,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:25,210 INFO L93 Difference]: Finished difference Result 110 states and 115 transitions. [2018-04-13 05:32:25,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 05:32:25,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-13 05:32:25,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:25,218 INFO L225 Difference]: With dead ends: 110 [2018-04-13 05:32:25,218 INFO L226 Difference]: Without dead ends: 107 [2018-04-13 05:32:25,219 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 05:32:25,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-04-13 05:32:25,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-04-13 05:32:25,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-04-13 05:32:25,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2018-04-13 05:32:25,247 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 8 [2018-04-13 05:32:25,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:25,248 INFO L459 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2018-04-13 05:32:25,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 05:32:25,248 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2018-04-13 05:32:25,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-13 05:32:25,248 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:25,248 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:32:25,248 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:25,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1485821073, now seen corresponding path program 1 times [2018-04-13 05:32:25,248 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:25,249 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:25,249 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:25,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:25,249 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:25,258 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:25,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 05:32:25,287 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:32:25,287 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 05:32:25,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 05:32:25,289 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 05:32:25,289 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 05:32:25,290 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand 4 states. [2018-04-13 05:32:25,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:25,432 INFO L93 Difference]: Finished difference Result 99 states and 104 transitions. [2018-04-13 05:32:25,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 05:32:25,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-13 05:32:25,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:25,434 INFO L225 Difference]: With dead ends: 99 [2018-04-13 05:32:25,434 INFO L226 Difference]: Without dead ends: 99 [2018-04-13 05:32:25,435 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 05:32:25,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-04-13 05:32:25,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-04-13 05:32:25,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-04-13 05:32:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 104 transitions. [2018-04-13 05:32:25,442 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 104 transitions. Word has length 8 [2018-04-13 05:32:25,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:25,442 INFO L459 AbstractCegarLoop]: Abstraction has 99 states and 104 transitions. [2018-04-13 05:32:25,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 05:32:25,442 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 104 transitions. [2018-04-13 05:32:25,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-13 05:32:25,443 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:25,443 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] [2018-04-13 05:32:25,443 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:25,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1001921061, now seen corresponding path program 1 times [2018-04-13 05:32:25,443 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:25,443 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:25,444 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:25,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:25,444 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:25,463 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 05:32:25,517 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:32:25,517 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 05:32:25,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 05:32:25,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 05:32:25,518 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 05:32:25,518 INFO L87 Difference]: Start difference. First operand 99 states and 104 transitions. Second operand 5 states. [2018-04-13 05:32:25,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:25,656 INFO L93 Difference]: Finished difference Result 91 states and 96 transitions. [2018-04-13 05:32:25,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 05:32:25,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-04-13 05:32:25,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:25,658 INFO L225 Difference]: With dead ends: 91 [2018-04-13 05:32:25,658 INFO L226 Difference]: Without dead ends: 91 [2018-04-13 05:32:25,658 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-13 05:32:25,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-04-13 05:32:25,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-04-13 05:32:25,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-04-13 05:32:25,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 96 transitions. [2018-04-13 05:32:25,663 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 96 transitions. Word has length 25 [2018-04-13 05:32:25,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:25,664 INFO L459 AbstractCegarLoop]: Abstraction has 91 states and 96 transitions. [2018-04-13 05:32:25,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 05:32:25,664 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2018-04-13 05:32:25,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-13 05:32:25,664 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:25,664 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] [2018-04-13 05:32:25,664 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:25,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1001921060, now seen corresponding path program 1 times [2018-04-13 05:32:25,665 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:25,665 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:25,666 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:25,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:25,666 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:25,684 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:25,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 05:32:25,741 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:32:25,741 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 05:32:25,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 05:32:25,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 05:32:25,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-13 05:32:25,742 INFO L87 Difference]: Start difference. First operand 91 states and 96 transitions. Second operand 6 states. [2018-04-13 05:32:25,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:25,875 INFO L93 Difference]: Finished difference Result 90 states and 95 transitions. [2018-04-13 05:32:25,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 05:32:25,875 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-04-13 05:32:25,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:25,876 INFO L225 Difference]: With dead ends: 90 [2018-04-13 05:32:25,876 INFO L226 Difference]: Without dead ends: 90 [2018-04-13 05:32:25,876 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-13 05:32:25,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-04-13 05:32:25,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-04-13 05:32:25,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-04-13 05:32:25,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 95 transitions. [2018-04-13 05:32:25,882 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 95 transitions. Word has length 25 [2018-04-13 05:32:25,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:25,882 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 95 transitions. [2018-04-13 05:32:25,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 05:32:25,882 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 95 transitions. [2018-04-13 05:32:25,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-13 05:32:25,883 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:25,883 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] [2018-04-13 05:32:25,883 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:25,883 INFO L82 PathProgramCache]: Analyzing trace with hash -773462627, now seen corresponding path program 1 times [2018-04-13 05:32:25,883 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:25,883 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:25,884 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:25,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:25,884 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:25,903 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:25,911 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 05:32:25,911 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 05:32:25,911 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 05:32:25,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:25,931 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 05:32:25,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 05:32:25,949 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:32:25,949 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 05:32:25,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 05:32:25,949 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 05:32:25,949 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 05:32:25,950 INFO L87 Difference]: Start difference. First operand 90 states and 95 transitions. Second operand 4 states. [2018-04-13 05:32:25,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:25,963 INFO L93 Difference]: Finished difference Result 93 states and 98 transitions. [2018-04-13 05:32:25,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 05:32:25,964 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-04-13 05:32:25,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:25,964 INFO L225 Difference]: With dead ends: 93 [2018-04-13 05:32:25,964 INFO L226 Difference]: Without dead ends: 91 [2018-04-13 05:32:25,964 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 05:32:25,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-04-13 05:32:25,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-04-13 05:32:25,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-04-13 05:32:25,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 96 transitions. [2018-04-13 05:32:25,967 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 96 transitions. Word has length 27 [2018-04-13 05:32:25,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:25,967 INFO L459 AbstractCegarLoop]: Abstraction has 91 states and 96 transitions. [2018-04-13 05:32:25,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 05:32:25,967 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2018-04-13 05:32:25,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-13 05:32:25,968 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:25,968 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] [2018-04-13 05:32:25,968 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:25,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1014772290, now seen corresponding path program 1 times [2018-04-13 05:32:25,968 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:25,968 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:25,969 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:25,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:25,969 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:25,978 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:25,981 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 05:32:25,981 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 05:32:25,982 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 05:32:25,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:26,003 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 05:32:26,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 05:32:26,018 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 05:32:26,018 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-04-13 05:32:26,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 05:32:26,018 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 05:32:26,018 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-13 05:32:26,019 INFO L87 Difference]: Start difference. First operand 91 states and 96 transitions. Second operand 5 states. [2018-04-13 05:32:26,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:26,043 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2018-04-13 05:32:26,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 05:32:26,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-04-13 05:32:26,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:26,045 INFO L225 Difference]: With dead ends: 94 [2018-04-13 05:32:26,045 INFO L226 Difference]: Without dead ends: 92 [2018-04-13 05:32:26,045 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-04-13 05:32:26,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-04-13 05:32:26,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-04-13 05:32:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-13 05:32:26,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 97 transitions. [2018-04-13 05:32:26,050 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 97 transitions. Word has length 28 [2018-04-13 05:32:26,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:26,050 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 97 transitions. [2018-04-13 05:32:26,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 05:32:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-04-13 05:32:26,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-13 05:32:26,051 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:26,051 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:32:26,051 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:26,051 INFO L82 PathProgramCache]: Analyzing trace with hash 615479869, now seen corresponding path program 2 times [2018-04-13 05:32:26,051 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:26,051 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:26,052 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:26,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:26,052 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:26,069 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:26,073 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 05:32:26,074 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 05:32:26,074 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 05:32:26,074 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 05:32:26,098 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-04-13 05:32:26,099 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 05:32:26,102 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 05:32:26,125 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 [2018-04-13 05:32:26,127 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 05:32:26,130 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:26,130 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 05:32:26,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-13 05:32:26,181 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:32:26,181 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-13 05:32:26,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 05:32:26,181 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 05:32:26,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-13 05:32:26,182 INFO L87 Difference]: Start difference. First operand 92 states and 97 transitions. Second operand 8 states. [2018-04-13 05:32:26,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:26,426 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2018-04-13 05:32:26,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 05:32:26,426 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-04-13 05:32:26,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:26,428 INFO L225 Difference]: With dead ends: 108 [2018-04-13 05:32:26,428 INFO L226 Difference]: Without dead ends: 108 [2018-04-13 05:32:26,428 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-04-13 05:32:26,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-04-13 05:32:26,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 103. [2018-04-13 05:32:26,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-04-13 05:32:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 109 transitions. [2018-04-13 05:32:26,433 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 109 transitions. Word has length 29 [2018-04-13 05:32:26,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:26,433 INFO L459 AbstractCegarLoop]: Abstraction has 103 states and 109 transitions. [2018-04-13 05:32:26,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 05:32:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 109 transitions. [2018-04-13 05:32:26,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-13 05:32:26,434 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:26,434 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:32:26,434 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:26,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1118876367, now seen corresponding path program 1 times [2018-04-13 05:32:26,435 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:26,435 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:26,435 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:26,435 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 05:32:26,435 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:26,453 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:26,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-13 05:32:26,484 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:32:26,484 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 05:32:26,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 05:32:26,484 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 05:32:26,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 05:32:26,485 INFO L87 Difference]: Start difference. First operand 103 states and 109 transitions. Second operand 5 states. [2018-04-13 05:32:26,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:26,565 INFO L93 Difference]: Finished difference Result 95 states and 101 transitions. [2018-04-13 05:32:26,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 05:32:26,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2018-04-13 05:32:26,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:26,566 INFO L225 Difference]: With dead ends: 95 [2018-04-13 05:32:26,566 INFO L226 Difference]: Without dead ends: 95 [2018-04-13 05:32:26,566 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-13 05:32:26,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-04-13 05:32:26,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-04-13 05:32:26,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-04-13 05:32:26,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 101 transitions. [2018-04-13 05:32:26,569 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 101 transitions. Word has length 36 [2018-04-13 05:32:26,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:26,569 INFO L459 AbstractCegarLoop]: Abstraction has 95 states and 101 transitions. [2018-04-13 05:32:26,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 05:32:26,569 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2018-04-13 05:32:26,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-13 05:32:26,569 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:26,569 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:32:26,569 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:26,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1118876368, now seen corresponding path program 1 times [2018-04-13 05:32:26,570 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:26,570 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:26,570 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:26,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:26,570 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:26,586 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:26,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-13 05:32:26,608 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:32:26,608 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 05:32:26,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 05:32:26,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 05:32:26,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 05:32:26,608 INFO L87 Difference]: Start difference. First operand 95 states and 101 transitions. Second operand 5 states. [2018-04-13 05:32:26,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:26,619 INFO L93 Difference]: Finished difference Result 99 states and 105 transitions. [2018-04-13 05:32:26,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 05:32:26,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2018-04-13 05:32:26,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:26,620 INFO L225 Difference]: With dead ends: 99 [2018-04-13 05:32:26,620 INFO L226 Difference]: Without dead ends: 99 [2018-04-13 05:32:26,620 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-13 05:32:26,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-04-13 05:32:26,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-04-13 05:32:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-04-13 05:32:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 105 transitions. [2018-04-13 05:32:26,623 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 105 transitions. Word has length 36 [2018-04-13 05:32:26,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:26,623 INFO L459 AbstractCegarLoop]: Abstraction has 99 states and 105 transitions. [2018-04-13 05:32:26,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 05:32:26,623 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 105 transitions. [2018-04-13 05:32:26,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-13 05:32:26,624 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:26,624 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:32:26,624 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:26,625 INFO L82 PathProgramCache]: Analyzing trace with hash 848359122, now seen corresponding path program 1 times [2018-04-13 05:32:26,625 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:26,625 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:26,626 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:26,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:26,626 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:26,634 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:26,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-13 05:32:26,672 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:32:26,672 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 05:32:26,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 05:32:26,673 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 05:32:26,673 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-13 05:32:26,673 INFO L87 Difference]: Start difference. First operand 99 states and 105 transitions. Second operand 6 states. [2018-04-13 05:32:26,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:26,776 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2018-04-13 05:32:26,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 05:32:26,776 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2018-04-13 05:32:26,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:26,777 INFO L225 Difference]: With dead ends: 98 [2018-04-13 05:32:26,777 INFO L226 Difference]: Without dead ends: 98 [2018-04-13 05:32:26,777 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-13 05:32:26,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-04-13 05:32:26,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-04-13 05:32:26,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-04-13 05:32:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 104 transitions. [2018-04-13 05:32:26,779 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 104 transitions. Word has length 39 [2018-04-13 05:32:26,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:26,781 INFO L459 AbstractCegarLoop]: Abstraction has 98 states and 104 transitions. [2018-04-13 05:32:26,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 05:32:26,781 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 104 transitions. [2018-04-13 05:32:26,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-13 05:32:26,782 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:26,782 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:32:26,782 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:26,783 INFO L82 PathProgramCache]: Analyzing trace with hash -770669645, now seen corresponding path program 1 times [2018-04-13 05:32:26,783 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:26,783 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:26,802 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:26,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:26,803 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:26,816 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:26,819 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 05:32:26,820 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 05:32:26,820 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 05:32:26,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:26,837 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 05:32:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 05:32:26,854 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 05:32:26,854 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-13 05:32:26,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 05:32:26,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 05:32:26,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-04-13 05:32:26,855 INFO L87 Difference]: Start difference. First operand 98 states and 104 transitions. Second operand 6 states. [2018-04-13 05:32:26,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:26,871 INFO L93 Difference]: Finished difference Result 101 states and 107 transitions. [2018-04-13 05:32:26,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 05:32:26,871 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2018-04-13 05:32:26,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:26,872 INFO L225 Difference]: With dead ends: 101 [2018-04-13 05:32:26,872 INFO L226 Difference]: Without dead ends: 99 [2018-04-13 05:32:26,872 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-04-13 05:32:26,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-04-13 05:32:26,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-04-13 05:32:26,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-04-13 05:32:26,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 105 transitions. [2018-04-13 05:32:26,875 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 105 transitions. Word has length 41 [2018-04-13 05:32:26,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:26,876 INFO L459 AbstractCegarLoop]: Abstraction has 99 states and 105 transitions. [2018-04-13 05:32:26,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 05:32:26,876 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 105 transitions. [2018-04-13 05:32:26,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-13 05:32:26,877 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:26,877 INFO L355 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:32:26,877 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:26,877 INFO L82 PathProgramCache]: Analyzing trace with hash 203246488, now seen corresponding path program 2 times [2018-04-13 05:32:26,877 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:26,877 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:26,878 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:26,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:26,878 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:26,887 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:26,890 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 05:32:26,890 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 05:32:26,891 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 05:32:26,891 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 05:32:26,910 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-04-13 05:32:26,911 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 05:32:26,913 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 05:32:26,917 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 [2018-04-13 05:32:26,917 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 05:32:26,920 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:26,921 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 05:32:26,999 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-13 05:32:26,999 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:32:26,999 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-13 05:32:26,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 05:32:27,000 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 05:32:27,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-13 05:32:27,000 INFO L87 Difference]: Start difference. First operand 99 states and 105 transitions. Second operand 8 states. [2018-04-13 05:32:27,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:27,155 INFO L93 Difference]: Finished difference Result 115 states and 122 transitions. [2018-04-13 05:32:27,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 05:32:27,155 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2018-04-13 05:32:27,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:27,156 INFO L225 Difference]: With dead ends: 115 [2018-04-13 05:32:27,156 INFO L226 Difference]: Without dead ends: 115 [2018-04-13 05:32:27,157 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 5 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-04-13 05:32:27,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-04-13 05:32:27,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 110. [2018-04-13 05:32:27,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-04-13 05:32:27,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 117 transitions. [2018-04-13 05:32:27,160 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 117 transitions. Word has length 42 [2018-04-13 05:32:27,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:27,160 INFO L459 AbstractCegarLoop]: Abstraction has 110 states and 117 transitions. [2018-04-13 05:32:27,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 05:32:27,160 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 117 transitions. [2018-04-13 05:32:27,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-13 05:32:27,161 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:27,161 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:32:27,161 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:27,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1529366747, now seen corresponding path program 1 times [2018-04-13 05:32:27,161 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:27,162 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:27,162 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:27,162 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 05:32:27,162 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:27,177 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:27,271 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-13 05:32:27,271 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 05:32:27,271 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 05:32:27,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:27,281 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 05:32:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-13 05:32:27,347 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 05:32:27,347 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2018-04-13 05:32:27,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-13 05:32:27,347 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-13 05:32:27,347 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-04-13 05:32:27,347 INFO L87 Difference]: Start difference. First operand 110 states and 117 transitions. Second operand 12 states. [2018-04-13 05:32:27,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:27,661 INFO L93 Difference]: Finished difference Result 131 states and 139 transitions. [2018-04-13 05:32:27,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 05:32:27,662 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 43 [2018-04-13 05:32:27,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:27,662 INFO L225 Difference]: With dead ends: 131 [2018-04-13 05:32:27,663 INFO L226 Difference]: Without dead ends: 129 [2018-04-13 05:32:27,663 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-04-13 05:32:27,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-04-13 05:32:27,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 124. [2018-04-13 05:32:27,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-04-13 05:32:27,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 132 transitions. [2018-04-13 05:32:27,666 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 132 transitions. Word has length 43 [2018-04-13 05:32:27,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:27,666 INFO L459 AbstractCegarLoop]: Abstraction has 124 states and 132 transitions. [2018-04-13 05:32:27,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-13 05:32:27,667 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 132 transitions. [2018-04-13 05:32:27,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-13 05:32:27,667 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:27,667 INFO L355 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:32:27,668 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:27,668 INFO L82 PathProgramCache]: Analyzing trace with hash 2043035149, now seen corresponding path program 1 times [2018-04-13 05:32:27,668 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:27,668 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:27,669 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:27,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:27,669 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:27,678 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-04-13 05:32:27,702 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:32:27,702 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 05:32:27,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 05:32:27,703 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 05:32:27,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 05:32:27,703 INFO L87 Difference]: Start difference. First operand 124 states and 132 transitions. Second operand 5 states. [2018-04-13 05:32:27,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:27,719 INFO L93 Difference]: Finished difference Result 129 states and 137 transitions. [2018-04-13 05:32:27,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 05:32:27,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2018-04-13 05:32:27,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:27,720 INFO L225 Difference]: With dead ends: 129 [2018-04-13 05:32:27,720 INFO L226 Difference]: Without dead ends: 129 [2018-04-13 05:32:27,720 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-13 05:32:27,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-04-13 05:32:27,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-04-13 05:32:27,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-04-13 05:32:27,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 137 transitions. [2018-04-13 05:32:27,724 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 137 transitions. Word has length 49 [2018-04-13 05:32:27,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:27,725 INFO L459 AbstractCegarLoop]: Abstraction has 129 states and 137 transitions. [2018-04-13 05:32:27,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 05:32:27,725 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 137 transitions. [2018-04-13 05:32:27,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-04-13 05:32:27,726 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:27,726 INFO L355 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:32:27,726 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:27,726 INFO L82 PathProgramCache]: Analyzing trace with hash 86142841, now seen corresponding path program 1 times [2018-04-13 05:32:27,726 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:27,726 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:27,728 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:27,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:27,728 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:27,737 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:27,740 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 05:32:27,740 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 05:32:27,741 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 05:32:27,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:27,755 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 05:32:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-13 05:32:27,783 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 05:32:27,783 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-13 05:32:27,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 05:32:27,784 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 05:32:27,784 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-04-13 05:32:27,784 INFO L87 Difference]: Start difference. First operand 129 states and 137 transitions. Second operand 8 states. [2018-04-13 05:32:27,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:27,803 INFO L93 Difference]: Finished difference Result 132 states and 140 transitions. [2018-04-13 05:32:27,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 05:32:27,803 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2018-04-13 05:32:27,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:27,804 INFO L225 Difference]: With dead ends: 132 [2018-04-13 05:32:27,804 INFO L226 Difference]: Without dead ends: 130 [2018-04-13 05:32:27,804 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-04-13 05:32:27,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-04-13 05:32:27,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-04-13 05:32:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-04-13 05:32:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 138 transitions. [2018-04-13 05:32:27,808 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 138 transitions. Word has length 52 [2018-04-13 05:32:27,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:27,808 INFO L459 AbstractCegarLoop]: Abstraction has 130 states and 138 transitions. [2018-04-13 05:32:27,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 05:32:27,808 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 138 transitions. [2018-04-13 05:32:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-13 05:32:27,809 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:27,809 INFO L355 BasicCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:32:27,809 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:27,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1158428276, now seen corresponding path program 2 times [2018-04-13 05:32:27,809 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:27,810 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:27,810 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:27,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:32:27,810 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:27,820 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:27,823 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 05:32:27,823 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 05:32:27,823 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 05:32:27,824 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 05:32:27,838 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-04-13 05:32:27,838 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 05:32:27,842 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 05:32:27,864 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 [2018-04-13 05:32:27,866 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 [2018-04-13 05:32:27,866 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:32:27,868 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:27,873 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:27,873 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-04-13 05:32:27,890 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 [2018-04-13 05:32:27,893 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,894 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,894 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 16 treesize of output 31 [2018-04-13 05:32:27,895 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:32:27,901 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:27,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:27,907 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2018-04-13 05:32:27,924 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 30 treesize of output 23 [2018-04-13 05:32:27,927 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,928 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,929 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,930 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,931 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,931 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 78 [2018-04-13 05:32:27,933 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:32:27,964 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:27,972 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:27,972 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2018-04-13 05:32:27,989 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 39 treesize of output 30 [2018-04-13 05:32:27,993 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,994 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,996 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,996 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,997 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,998 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:27,999 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,000 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,001 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,001 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,002 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 149 [2018-04-13 05:32:28,004 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:32:28,029 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:28,047 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:28,047 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:45, output treesize:41 [2018-04-13 05:32:28,070 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 48 treesize of output 37 [2018-04-13 05:32:28,075 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,076 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,077 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,078 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,079 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,079 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,080 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,081 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,082 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,083 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,084 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,085 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,086 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,087 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,088 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,088 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 16 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 206 [2018-04-13 05:32:28,091 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:32:28,114 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:28,122 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:28,122 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:54, output treesize:50 [2018-04-13 05:32:28,141 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 57 treesize of output 44 [2018-04-13 05:32:28,151 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,154 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,155 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,155 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,156 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,156 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,157 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,158 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,158 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,159 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,160 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,160 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,161 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,162 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,163 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,163 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,164 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 253 [2018-04-13 05:32:28,168 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:32:28,210 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:28,222 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:28,223 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2018-04-13 05:32:28,256 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 66 treesize of output 51 [2018-04-13 05:32:28,261 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,262 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,263 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,264 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,265 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,266 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,267 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,268 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,269 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,270 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,271 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,272 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,273 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,274 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,275 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,276 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,277 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,278 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,279 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,280 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,281 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,282 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,283 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,284 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,285 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,286 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,303 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:32:28,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 27 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 308 [2018-04-13 05:32:28,305 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:32:28,352 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:28,361 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:32:28,361 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2018-04-13 05:32:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-04-13 05:32:28,445 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:32:28,445 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-04-13 05:32:28,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 05:32:28,446 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 05:32:28,446 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2018-04-13 05:32:28,446 INFO L87 Difference]: Start difference. First operand 130 states and 138 transitions. Second operand 15 states. [2018-04-13 05:32:28,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:28,671 INFO L93 Difference]: Finished difference Result 129 states and 136 transitions. [2018-04-13 05:32:28,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-13 05:32:28,671 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 53 [2018-04-13 05:32:28,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:28,672 INFO L225 Difference]: With dead ends: 129 [2018-04-13 05:32:28,672 INFO L226 Difference]: Without dead ends: 126 [2018-04-13 05:32:28,672 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2018-04-13 05:32:28,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-04-13 05:32:28,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-04-13 05:32:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-04-13 05:32:28,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 133 transitions. [2018-04-13 05:32:28,675 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 133 transitions. Word has length 53 [2018-04-13 05:32:28,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:28,675 INFO L459 AbstractCegarLoop]: Abstraction has 126 states and 133 transitions. [2018-04-13 05:32:28,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 05:32:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 133 transitions. [2018-04-13 05:32:28,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-13 05:32:28,676 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:28,676 INFO L355 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:32:28,676 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:28,676 INFO L82 PathProgramCache]: Analyzing trace with hash 928886242, now seen corresponding path program 2 times [2018-04-13 05:32:28,676 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:28,676 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:28,677 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:28,677 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 05:32:28,677 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:28,687 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:28,788 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-04-13 05:32:28,788 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 05:32:28,788 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 05:32:28,789 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 05:32:28,812 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 05:32:28,812 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 05:32:28,816 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 05:32:28,916 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-04-13 05:32:28,916 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 05:32:28,916 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 15 [2018-04-13 05:32:28,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 05:32:28,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 05:32:28,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-04-13 05:32:28,917 INFO L87 Difference]: Start difference. First operand 126 states and 133 transitions. Second operand 15 states. [2018-04-13 05:32:29,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:32:29,241 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2018-04-13 05:32:29,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-13 05:32:29,241 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 58 [2018-04-13 05:32:29,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:32:29,242 INFO L225 Difference]: With dead ends: 150 [2018-04-13 05:32:29,242 INFO L226 Difference]: Without dead ends: 148 [2018-04-13 05:32:29,242 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2018-04-13 05:32:29,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-13 05:32:29,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 140. [2018-04-13 05:32:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-04-13 05:32:29,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 148 transitions. [2018-04-13 05:32:29,244 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 148 transitions. Word has length 58 [2018-04-13 05:32:29,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:32:29,245 INFO L459 AbstractCegarLoop]: Abstraction has 140 states and 148 transitions. [2018-04-13 05:32:29,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 05:32:29,245 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 148 transitions. [2018-04-13 05:32:29,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-13 05:32:29,245 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:32:29,245 INFO L355 BasicCegarLoop]: trace histogram [6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:32:29,245 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err3RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__Sum2Err10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr5RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr1RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr0RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr12RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr13RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr4RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr2RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr15RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr9RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr7RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr10RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr14RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr6RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr8RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr11RequiresViolation, __U_MULTI_f___________c_false_valid_memtrack_i__SumErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 05:32:29,245 INFO L82 PathProgramCache]: Analyzing trace with hash -803895544, now seen corresponding path program 1 times [2018-04-13 05:32:29,245 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:32:29,245 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:32:29,246 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:29,246 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 05:32:29,246 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:32:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:32:29,253 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:32:29,254 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot explain term pair ((select #memory_int_27 __U_MULTI_f___________c_false_valid_memtrack_i__Sum_~instrs.base_28),(store (select #memory_int_27 __U_MULTI_f___________c_false_valid_memtrack_i__Sum_~instrs.base_28) (+ (* 30 __U_MULTI_f___________c_false_valid_memtrack_i__Sum_~i~0_28) __U_MULTI_f___________c_false_valid_memtrack_i__Sum_~instrs.offset_28 4) __U_MULTI_f___________c_false_valid_memtrack_i__Sum_#t~union6.a_27)) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:808) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:917) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:203) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-13 05:32:29,257 INFO L168 Benchmark]: Toolchain (without parser) took 5157.12 ms. Allocated memory was 397.9 MB in the beginning and 752.4 MB in the end (delta: 354.4 MB). Free memory was 334.4 MB in the beginning and 630.6 MB in the end (delta: -296.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 5.3 GB. [2018-04-13 05:32:29,258 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 397.9 MB. Free memory is still 359.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 05:32:29,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.28 ms. Allocated memory is still 397.9 MB. Free memory was 334.4 MB in the beginning and 307.9 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 5.3 GB. [2018-04-13 05:32:29,259 INFO L168 Benchmark]: Boogie Preprocessor took 41.61 ms. Allocated memory is still 397.9 MB. Free memory was 307.9 MB in the beginning and 305.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-13 05:32:29,259 INFO L168 Benchmark]: RCFGBuilder took 478.58 ms. Allocated memory was 397.9 MB in the beginning and 603.5 MB in the end (delta: 205.5 MB). Free memory was 305.3 MB in the beginning and 525.8 MB in the end (delta: -220.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. [2018-04-13 05:32:29,260 INFO L168 Benchmark]: TraceAbstraction took 4381.17 ms. Allocated memory was 603.5 MB in the beginning and 752.4 MB in the end (delta: 148.9 MB). Free memory was 525.8 MB in the beginning and 630.6 MB in the end (delta: -104.8 MB). Peak memory consumption was 44.1 MB. Max. memory is 5.3 GB. [2018-04-13 05:32:29,262 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 397.9 MB. Free memory is still 359.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 253.28 ms. Allocated memory is still 397.9 MB. Free memory was 334.4 MB in the beginning and 307.9 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 41.61 ms. Allocated memory is still 397.9 MB. Free memory was 307.9 MB in the beginning and 305.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 478.58 ms. Allocated memory was 397.9 MB in the beginning and 603.5 MB in the end (delta: 205.5 MB). Free memory was 305.3 MB in the beginning and 525.8 MB in the end (delta: -220.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4381.17 ms. Allocated memory was 603.5 MB in the beginning and 752.4 MB in the end (delta: 148.9 MB). Free memory was 525.8 MB in the beginning and 630.6 MB in the end (delta: -104.8 MB). Peak memory consumption was 44.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Cannot explain term pair ((select #memory_int_27 __U_MULTI_f___________c_false_valid_memtrack_i__Sum_~instrs.base_28),(store (select #memory_int_27 __U_MULTI_f___________c_false_valid_memtrack_i__Sum_~instrs.base_28) (+ (* 30 __U_MULTI_f___________c_false_valid_memtrack_i__Sum_~i~0_28) __U_MULTI_f___________c_false_valid_memtrack_i__Sum_~instrs.offset_28 4) __U_MULTI_f___________c_false_valid_memtrack_i__Sum_#t~union6.a_27)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Cannot explain term pair ((select #memory_int_27 __U_MULTI_f___________c_false_valid_memtrack_i__Sum_~instrs.base_28),(store (select #memory_int_27 __U_MULTI_f___________c_false_valid_memtrack_i__Sum_~instrs.base_28) (+ (* 30 __U_MULTI_f___________c_false_valid_memtrack_i__Sum_~i~0_28) __U_MULTI_f___________c_false_valid_memtrack_i__Sum_~instrs.offset_28 4) __U_MULTI_f___________c_false_valid_memtrack_i__Sum_#t~union6.a_27)): de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:808) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/20051113-1.c_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_05-32-29-269.csv Received shutdown request...