java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/list-ext-properties/list-ext_flag_1_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-453dfda-m [2018-04-09 21:49:29,776 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 21:49:29,778 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 21:49:29,793 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-09 21:49:29,793 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-09 21:49:29,794 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-09 21:49:29,795 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-09 21:49:29,797 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-09 21:49:29,799 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-09 21:49:29,800 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-09 21:49:29,800 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-09 21:49:29,801 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-09 21:49:29,802 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-09 21:49:29,803 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-09 21:49:29,804 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-09 21:49:29,806 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-09 21:49:29,808 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-09 21:49:29,810 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-09 21:49:29,811 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-09 21:49:29,812 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-09 21:49:29,814 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-09 21:49:29,815 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-09 21:49:29,815 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-09 21:49:29,816 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-09 21:49:29,817 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-09 21:49:29,818 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-09 21:49:29,818 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-09 21:49:29,819 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-09 21:49:29,820 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-09 21:49:29,820 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-09 21:49:29,821 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-09 21:49:29,821 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-09 21:49:29,844 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 21:49:29,845 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 21:49:29,845 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 21:49:29,845 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 21:49:29,846 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 21:49:29,846 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 21:49:29,846 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 21:49:29,846 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 21:49:29,847 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 21:49:29,847 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 21:49:29,847 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 21:49:29,847 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 21:49:29,848 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 21:49:29,848 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 21:49:29,848 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 21:49:29,848 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 21:49:29,848 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 21:49:29,849 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 21:49:29,849 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 21:49:29,849 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 21:49:29,849 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 21:49:29,849 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 21:49:29,849 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 21:49:29,850 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 21:49:29,850 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 21:49:29,850 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 21:49:29,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 21:49:29,850 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 21:49:29,851 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 21:49:29,851 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 21:49:29,851 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 21:49:29,851 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 21:49:29,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:29,852 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 21:49:29,852 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 21:49:29,853 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 21:49:29,853 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 21:49:29,853 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 21:49:29,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 21:49:29,899 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 21:49:29,902 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 21:49:29,904 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 21:49:29,904 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 21:49:29,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,215 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG3eb534aa0 [2018-04-09 21:49:30,395 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 21:49:30,396 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 21:49:30,396 INFO L168 CDTParser]: Scanning list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,405 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 21:49:30,405 INFO L215 ultiparseSymbolTable]: [2018-04-09 21:49:30,405 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 21:49:30,405 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__exit ('exit') in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,405 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,405 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 21:49:30,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____int32_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__time_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____suseconds_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__caddr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__List in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_int in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__mode_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____rlim64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_mutex_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____u_short in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__fd_set in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____rlim_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____time_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____timer_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____blksize_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__int8_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____caddr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____u_char in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____off64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____ssize_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_mutexattr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____qaddr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____fsfilcnt_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____dev_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__key_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_int32_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__fsblkcnt_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____id_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____u_long in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____int8_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_char in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__blkcnt_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__off_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____pthread_list_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_short in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____fsblkcnt64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__clock_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____fsid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__gid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__ulong in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____intptr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_barrier_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____mode_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__blksize_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_attr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__lldiv_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____socklen_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____ino_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__uid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__int16_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____uint32_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_cond_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____int16_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_int16_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__size_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_once_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__div_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____daddr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__clockid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____key_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____clockid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_spinlock_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____uint8_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__quad_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____sigset_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__fd_mask in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__suseconds_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__wchar_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____useconds_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__uint in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__loff_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__nlink_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__ushort in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____int64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____u_quad_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_long in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____gid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____fd_mask in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____quad_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____pid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____sig_atomic_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____loff_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__int64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_condattr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_int8_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____uint16_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__daddr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__fsid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____WAIT_STATUS in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____clock_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__register_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__sigset_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__timer_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_barrierattr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____nlink_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____fsfilcnt64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_int64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__ino_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____uint64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__ssize_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__int32_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__u_quad_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____off_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____uid_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____swblk_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__fsfilcnt_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_rwlockattr_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____blkcnt64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__ldiv_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____ino64_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_key_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____fsblkcnt_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__pthread_rwlock_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__id_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____u_int in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i__dev_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_flag___true_valid_memsafety_i____blkcnt_t in list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:30,435 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG3eb534aa0 [2018-04-09 21:49:30,439 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 21:49:30,441 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 21:49:30,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 21:49:30,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 21:49:30,449 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 21:49:30,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 09:49:30" (1/1) ... [2018-04-09 21:49:30,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ecfdc50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:49:30, skipping insertion in model container [2018-04-09 21:49:30,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 09:49:30" (1/1) ... [2018-04-09 21:49:30,465 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 21:49:30,496 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 21:49:30,674 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 21:49:30,726 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 21:49:30,733 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-09 21:49:30,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:49:30 WrapperNode [2018-04-09 21:49:30,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 21:49:30,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 21:49:30,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 21:49:30,780 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 21:49:30,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:49:30" (1/1) ... [2018-04-09 21:49:30,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:49:30" (1/1) ... [2018-04-09 21:49:30,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:49:30" (1/1) ... [2018-04-09 21:49:30,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:49:30" (1/1) ... [2018-04-09 21:49:30,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:49:30" (1/1) ... [2018-04-09 21:49:30,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:49:30" (1/1) ... [2018-04-09 21:49:30,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:49:30" (1/1) ... [2018-04-09 21:49:30,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 21:49:30,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 21:49:30,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 21:49:30,839 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 21:49:30,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:49:30" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 21:49:30,958 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 21:49:30,958 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 21:49:30,958 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flist_ext_flag___true_valid_memsafety_i__exit [2018-04-09 21:49:30,958 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 21:49:30,958 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-09 21:49:30,958 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-09 21:49:30,958 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 21:49:30,959 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 21:49:30,959 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 21:49:30,959 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 21:49:30,959 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 21:49:30,959 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 21:49:30,959 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 21:49:30,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 21:49:30,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 21:49:30,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 21:49:30,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 21:49:30,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 21:49:30,960 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 21:49:30,961 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 21:49:30,961 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 21:49:30,961 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 21:49:30,961 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 21:49:30,961 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 21:49:30,961 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 21:49:30,962 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 21:49:30,962 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 21:49:30,962 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 21:49:30,962 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 21:49:30,962 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 21:49:30,962 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 21:49:30,963 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 21:49:30,963 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 21:49:30,963 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 21:49:30,963 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 21:49:30,963 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 21:49:30,963 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 21:49:30,963 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 21:49:30,964 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 21:49:30,964 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 21:49:30,964 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 21:49:30,964 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 21:49:30,964 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 21:49:30,964 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 21:49:30,964 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 21:49:30,964 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 21:49:30,965 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 21:49:30,965 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 21:49:30,965 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 21:49:30,965 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 21:49:30,965 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 21:49:30,965 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 21:49:30,965 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 21:49:30,966 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 21:49:30,966 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 21:49:30,966 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 21:49:30,966 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 21:49:30,966 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 21:49:30,966 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 21:49:30,966 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 21:49:30,966 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 21:49:30,967 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 21:49:30,967 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 21:49:30,967 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 21:49:30,967 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 21:49:30,967 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 21:49:30,967 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 21:49:30,967 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flist_ext_flag___true_valid_memsafety_i__exit [2018-04-09 21:49:30,967 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 21:49:30,968 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 21:49:30,968 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-09 21:49:30,968 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 21:49:30,968 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 21:49:30,968 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 21:49:30,968 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 21:49:30,968 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 21:49:30,968 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 21:49:30,969 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 21:49:30,969 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 21:49:30,969 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 21:49:30,969 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 21:49:30,969 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 21:49:30,969 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 21:49:30,969 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 21:49:30,969 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 21:49:30,970 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 21:49:30,970 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 21:49:30,970 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 21:49:30,970 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 21:49:30,970 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 21:49:30,970 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 21:49:30,970 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 21:49:30,971 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 21:49:30,971 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 21:49:30,971 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 21:49:30,971 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 21:49:30,971 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 21:49:30,971 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 21:49:30,971 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 21:49:30,971 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 21:49:30,972 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 21:49:30,972 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 21:49:30,972 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 21:49:30,972 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 21:49:30,972 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 21:49:30,972 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 21:49:30,972 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 21:49:30,972 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 21:49:30,973 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 21:49:30,973 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-09 21:49:30,973 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-09 21:49:30,973 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-09 21:49:30,973 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-09 21:49:30,973 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 21:49:30,973 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 21:49:30,973 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 21:49:30,974 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-09 21:49:31,430 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 21:49:31,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 09:49:31 BoogieIcfgContainer [2018-04-09 21:49:31,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 21:49:31,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 21:49:31,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 21:49:31,434 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 21:49:31,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 09:49:30" (1/3) ... [2018-04-09 21:49:31,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c1763b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 09:49:31, skipping insertion in model container [2018-04-09 21:49:31,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:49:30" (2/3) ... [2018-04-09 21:49:31,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c1763b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 09:49:31, skipping insertion in model container [2018-04-09 21:49:31,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 09:49:31" (3/3) ... [2018-04-09 21:49:31,437 INFO L107 eAbstractionObserver]: Analyzing ICFG list-ext_flag_1_true-valid-memsafety.i [2018-04-09 21:49:31,444 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 21:49:31,451 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 37 error locations. [2018-04-09 21:49:31,491 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 21:49:31,491 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 21:49:31,491 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 21:49:31,492 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 21:49:31,492 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 21:49:31,492 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 21:49:31,492 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 21:49:31,492 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 21:49:31,492 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 21:49:31,492 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 21:49:31,511 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-04-09 21:49:31,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-09 21:49:31,516 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:31,516 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:49:31,516 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:31,522 INFO L82 PathProgramCache]: Analyzing trace with hash -2101198879, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:31,533 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:31,569 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:31,585 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:31,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:31,623 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:49:31,623 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-09 21:49:31,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-09 21:49:31,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-09 21:49:31,635 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-09 21:49:31,636 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2018-04-09 21:49:31,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:31,665 INFO L93 Difference]: Finished difference Result 215 states and 234 transitions. [2018-04-09 21:49:31,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-09 21:49:31,667 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-04-09 21:49:31,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:31,676 INFO L225 Difference]: With dead ends: 215 [2018-04-09 21:49:31,677 INFO L226 Difference]: Without dead ends: 126 [2018-04-09 21:49:31,681 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-09 21:49:31,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-04-09 21:49:31,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-04-09 21:49:31,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-04-09 21:49:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 131 transitions. [2018-04-09 21:49:31,713 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 131 transitions. Word has length 16 [2018-04-09 21:49:31,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:31,714 INFO L459 AbstractCegarLoop]: Abstraction has 126 states and 131 transitions. [2018-04-09 21:49:31,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-09 21:49:31,714 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 131 transitions. [2018-04-09 21:49:31,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-09 21:49:31,715 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:31,715 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:49:31,715 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:31,716 INFO L82 PathProgramCache]: Analyzing trace with hash 2009281813, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:31,723 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:31,740 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:31,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:31,767 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:31,812 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:49:31,812 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2018-04-09 21:49:31,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-09 21:49:31,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-09 21:49:31,814 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-09 21:49:31,814 INFO L87 Difference]: Start difference. First operand 126 states and 131 transitions. Second operand 5 states. [2018-04-09 21:49:31,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:31,885 INFO L93 Difference]: Finished difference Result 320 states and 334 transitions. [2018-04-09 21:49:31,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 21:49:31,886 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-09 21:49:31,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:31,889 INFO L225 Difference]: With dead ends: 320 [2018-04-09 21:49:31,889 INFO L226 Difference]: Without dead ends: 208 [2018-04-09 21:49:31,891 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-09 21:49:31,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-04-09 21:49:31,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 129. [2018-04-09 21:49:31,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-04-09 21:49:31,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 134 transitions. [2018-04-09 21:49:31,905 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 134 transitions. Word has length 21 [2018-04-09 21:49:31,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:31,906 INFO L459 AbstractCegarLoop]: Abstraction has 129 states and 134 transitions. [2018-04-09 21:49:31,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-09 21:49:31,906 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 134 transitions. [2018-04-09 21:49:31,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-09 21:49:31,907 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:31,907 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] [2018-04-09 21:49:31,907 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:31,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1277485294, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:31,916 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:31,937 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:31,956 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 [2018-04-09 21:49:31,957 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:31,959 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:31,960 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 21:49:32,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:32,035 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:32,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:32,077 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:49:32,077 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-09 21:49:32,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-09 21:49:32,078 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-09 21:49:32,078 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-09 21:49:32,078 INFO L87 Difference]: Start difference. First operand 129 states and 134 transitions. Second operand 5 states. [2018-04-09 21:49:32,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:32,371 INFO L93 Difference]: Finished difference Result 169 states and 179 transitions. [2018-04-09 21:49:32,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 21:49:32,371 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-09 21:49:32,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:32,373 INFO L225 Difference]: With dead ends: 169 [2018-04-09 21:49:32,373 INFO L226 Difference]: Without dead ends: 151 [2018-04-09 21:49:32,373 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-09 21:49:32,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-04-09 21:49:32,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 132. [2018-04-09 21:49:32,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-04-09 21:49:32,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 142 transitions. [2018-04-09 21:49:32,381 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 142 transitions. Word has length 23 [2018-04-09 21:49:32,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:32,382 INFO L459 AbstractCegarLoop]: Abstraction has 132 states and 142 transitions. [2018-04-09 21:49:32,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-09 21:49:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 142 transitions. [2018-04-09 21:49:32,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-09 21:49:32,383 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:32,383 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] [2018-04-09 21:49:32,383 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:32,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1277485293, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:32,390 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:32,404 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:32,407 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 [2018-04-09 21:49:32,408 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:32,411 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:32,411 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 21:49:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:32,432 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:32,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:32,517 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:49:32,517 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-04-09 21:49:32,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 21:49:32,518 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 21:49:32,518 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-09 21:49:32,518 INFO L87 Difference]: Start difference. First operand 132 states and 142 transitions. Second operand 8 states. [2018-04-09 21:49:32,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:32,793 INFO L93 Difference]: Finished difference Result 197 states and 209 transitions. [2018-04-09 21:49:32,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 21:49:32,794 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-04-09 21:49:32,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:32,796 INFO L225 Difference]: With dead ends: 197 [2018-04-09 21:49:32,796 INFO L226 Difference]: Without dead ends: 179 [2018-04-09 21:49:32,797 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-04-09 21:49:32,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-04-09 21:49:32,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 163. [2018-04-09 21:49:32,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-04-09 21:49:32,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 173 transitions. [2018-04-09 21:49:32,816 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 173 transitions. Word has length 23 [2018-04-09 21:49:32,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:32,816 INFO L459 AbstractCegarLoop]: Abstraction has 163 states and 173 transitions. [2018-04-09 21:49:32,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 21:49:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 173 transitions. [2018-04-09 21:49:32,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-09 21:49:32,818 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:32,818 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:49:32,818 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:32,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1698496748, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:32,828 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:32,860 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:32,922 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~p~0.base Int)) (and (= 0 (select |c_old(#valid)| main_~p~0.base)) (= (store |c_old(#valid)| main_~p~0.base 0) |c_#valid|))) is different from true [2018-04-09 21:49:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:32,928 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:32,980 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc0.base_5| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc0.base_5|))) (= (store |c_#valid| |v_main_#t~malloc0.base_5| 0) |c_old(#valid)|))) is different from false [2018-04-09 21:49:33,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:33,027 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:49:33,028 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2018-04-09 21:49:33,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-09 21:49:33,028 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-09 21:49:33,028 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=56, Unknown=2, NotChecked=30, Total=110 [2018-04-09 21:49:33,029 INFO L87 Difference]: Start difference. First operand 163 states and 173 transitions. Second operand 11 states. [2018-04-09 21:49:33,069 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc0.base_5| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc0.base_5|))) (= (store |c_#valid| |v_main_#t~malloc0.base_5| 0) |c_old(#valid)|)))) is different from false [2018-04-09 21:49:33,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:33,359 INFO L93 Difference]: Finished difference Result 252 states and 267 transitions. [2018-04-09 21:49:33,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-09 21:49:33,360 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2018-04-09 21:49:33,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:33,361 INFO L225 Difference]: With dead ends: 252 [2018-04-09 21:49:33,361 INFO L226 Difference]: Without dead ends: 245 [2018-04-09 21:49:33,362 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=131, Unknown=3, NotChecked=78, Total=272 [2018-04-09 21:49:33,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-04-09 21:49:33,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 208. [2018-04-09 21:49:33,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-04-09 21:49:33,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 226 transitions. [2018-04-09 21:49:33,377 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 226 transitions. Word has length 43 [2018-04-09 21:49:33,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:33,377 INFO L459 AbstractCegarLoop]: Abstraction has 208 states and 226 transitions. [2018-04-09 21:49:33,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-09 21:49:33,377 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 226 transitions. [2018-04-09 21:49:33,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-09 21:49:33,378 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:33,379 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, 1, 1, 1] [2018-04-09 21:49:33,379 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:33,379 INFO L82 PathProgramCache]: Analyzing trace with hash 2072012075, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:33,386 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:33,410 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:33,430 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 [2018-04-09 21:49:33,432 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 [2018-04-09 21:49:33,432 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:33,433 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:33,434 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:33,435 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-09 21:49:33,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:33,451 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:33,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-09 21:49:33,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-09 21:49:33,496 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:33,497 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:33,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-09 21:49:33,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-09 21:49:33,500 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:33,501 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:33,503 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:49:33,503 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-04-09 21:49:33,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:33,528 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:49:33,528 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 10 [2018-04-09 21:49:33,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-09 21:49:33,529 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-09 21:49:33,529 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-04-09 21:49:33,529 INFO L87 Difference]: Start difference. First operand 208 states and 226 transitions. Second operand 10 states. [2018-04-09 21:49:33,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:33,868 INFO L93 Difference]: Finished difference Result 455 states and 481 transitions. [2018-04-09 21:49:33,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-09 21:49:33,868 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2018-04-09 21:49:33,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:33,869 INFO L225 Difference]: With dead ends: 455 [2018-04-09 21:49:33,870 INFO L226 Difference]: Without dead ends: 348 [2018-04-09 21:49:33,870 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2018-04-09 21:49:33,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-04-09 21:49:33,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 201. [2018-04-09 21:49:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-04-09 21:49:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 217 transitions. [2018-04-09 21:49:33,881 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 217 transitions. Word has length 44 [2018-04-09 21:49:33,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:33,881 INFO L459 AbstractCegarLoop]: Abstraction has 201 states and 217 transitions. [2018-04-09 21:49:33,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-09 21:49:33,881 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 217 transitions. [2018-04-09 21:49:33,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-09 21:49:33,883 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:33,883 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-09 21:49:33,883 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:33,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1210892357, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:33,892 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:33,913 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:33,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:33,934 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:33,976 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 21:49:33,976 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-04-09 21:49:33,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-09 21:49:33,977 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-09 21:49:33,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-04-09 21:49:33,977 INFO L87 Difference]: Start difference. First operand 201 states and 217 transitions. Second operand 9 states. [2018-04-09 21:49:34,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:34,058 INFO L93 Difference]: Finished difference Result 440 states and 475 transitions. [2018-04-09 21:49:34,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-09 21:49:34,058 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 46 [2018-04-09 21:49:34,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:34,060 INFO L225 Difference]: With dead ends: 440 [2018-04-09 21:49:34,061 INFO L226 Difference]: Without dead ends: 307 [2018-04-09 21:49:34,062 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2018-04-09 21:49:34,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-04-09 21:49:34,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 233. [2018-04-09 21:49:34,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-04-09 21:49:34,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 257 transitions. [2018-04-09 21:49:34,073 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 257 transitions. Word has length 46 [2018-04-09 21:49:34,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:34,073 INFO L459 AbstractCegarLoop]: Abstraction has 233 states and 257 transitions. [2018-04-09 21:49:34,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-09 21:49:34,074 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 257 transitions. [2018-04-09 21:49:34,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-09 21:49:34,075 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:34,075 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, 1, 1, 1, 1, 1, 1] [2018-04-09 21:49:34,075 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:34,076 INFO L82 PathProgramCache]: Analyzing trace with hash -843095296, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:34,082 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:34,100 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:34,131 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 13 treesize of output 10 [2018-04-09 21:49:34,133 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 10 treesize of output 9 [2018-04-09 21:49:34,133 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,135 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,143 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 13 treesize of output 10 [2018-04-09 21:49:34,145 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 10 treesize of output 9 [2018-04-09 21:49:34,145 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,146 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,153 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:49:34,154 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:36, output treesize:28 [2018-04-09 21:49:34,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-09 21:49:34,225 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:34,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-09 21:49:34,227 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,231 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-09 21:49:34,248 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:34,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-09 21:49:34,249 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,261 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,272 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:46, output treesize:7 [2018-04-09 21:49:34,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:34,290 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:34,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 21:49:34,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-04-09 21:49:34,358 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,367 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 21:49:34,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-04-09 21:49:34,372 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,372 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,379 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:49:34,380 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:39, output treesize:7 [2018-04-09 21:49:34,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:34,432 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:49:34,432 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 13 [2018-04-09 21:49:34,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-09 21:49:34,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-09 21:49:34,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-09 21:49:34,433 INFO L87 Difference]: Start difference. First operand 233 states and 257 transitions. Second operand 13 states. [2018-04-09 21:49:34,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:34,808 INFO L93 Difference]: Finished difference Result 293 states and 316 transitions. [2018-04-09 21:49:34,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-09 21:49:34,809 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 47 [2018-04-09 21:49:34,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:34,811 INFO L225 Difference]: With dead ends: 293 [2018-04-09 21:49:34,811 INFO L226 Difference]: Without dead ends: 248 [2018-04-09 21:49:34,812 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 80 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2018-04-09 21:49:34,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-04-09 21:49:34,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 216. [2018-04-09 21:49:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-04-09 21:49:34,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 239 transitions. [2018-04-09 21:49:34,823 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 239 transitions. Word has length 47 [2018-04-09 21:49:34,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:34,824 INFO L459 AbstractCegarLoop]: Abstraction has 216 states and 239 transitions. [2018-04-09 21:49:34,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-09 21:49:34,824 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 239 transitions. [2018-04-09 21:49:34,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-09 21:49:34,825 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:34,825 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:49:34,825 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:34,826 INFO L82 PathProgramCache]: Analyzing trace with hash 806557752, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:34,836 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:34,860 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:34,873 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 [2018-04-09 21:49:34,874 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,875 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,875 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 21:49:34,890 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 13 treesize of output 10 [2018-04-09 21:49:34,892 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 10 treesize of output 9 [2018-04-09 21:49:34,893 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,907 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,918 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,918 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-04-09 21:49:34,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-09 21:49:34,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-04-09 21:49:34,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,928 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,929 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:34,929 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-04-09 21:49:34,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:34,938 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:34,965 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:49:34,966 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-09 21:49:34,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-09 21:49:34,966 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-09 21:49:34,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-09 21:49:34,966 INFO L87 Difference]: Start difference. First operand 216 states and 239 transitions. Second operand 7 states. [2018-04-09 21:49:35,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:35,116 INFO L93 Difference]: Finished difference Result 220 states and 243 transitions. [2018-04-09 21:49:35,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 21:49:35,116 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2018-04-09 21:49:35,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:35,117 INFO L225 Difference]: With dead ends: 220 [2018-04-09 21:49:35,117 INFO L226 Difference]: Without dead ends: 218 [2018-04-09 21:49:35,118 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-04-09 21:49:35,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-04-09 21:49:35,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2018-04-09 21:49:35,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-04-09 21:49:35,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 235 transitions. [2018-04-09 21:49:35,129 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 235 transitions. Word has length 48 [2018-04-09 21:49:35,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:35,130 INFO L459 AbstractCegarLoop]: Abstraction has 214 states and 235 transitions. [2018-04-09 21:49:35,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-09 21:49:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 235 transitions. [2018-04-09 21:49:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-09 21:49:35,131 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:35,131 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:49:35,131 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:35,132 INFO L82 PathProgramCache]: Analyzing trace with hash 806557753, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:35,138 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:35,158 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:35,162 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 [2018-04-09 21:49:35,162 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,170 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,171 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 21:49:35,184 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 13 treesize of output 10 [2018-04-09 21:49:35,186 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 10 treesize of output 9 [2018-04-09 21:49:35,186 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,188 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,203 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 13 treesize of output 10 [2018-04-09 21:49:35,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:49:35,213 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,215 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,219 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,219 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-04-09 21:49:35,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-09 21:49:35,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-04-09 21:49:35,229 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,230 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-09 21:49:35,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-09 21:49:35,236 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,250 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,253 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,254 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-04-09 21:49:35,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:35,269 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:35,374 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:49:35,374 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2018-04-09 21:49:35,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 21:49:35,375 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 21:49:35,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-04-09 21:49:35,375 INFO L87 Difference]: Start difference. First operand 214 states and 235 transitions. Second operand 12 states. [2018-04-09 21:49:35,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:35,634 INFO L93 Difference]: Finished difference Result 219 states and 239 transitions. [2018-04-09 21:49:35,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-09 21:49:35,634 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 48 [2018-04-09 21:49:35,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:35,635 INFO L225 Difference]: With dead ends: 219 [2018-04-09 21:49:35,635 INFO L226 Difference]: Without dead ends: 211 [2018-04-09 21:49:35,636 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2018-04-09 21:49:35,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-04-09 21:49:35,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 206. [2018-04-09 21:49:35,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-04-09 21:49:35,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 219 transitions. [2018-04-09 21:49:35,645 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 219 transitions. Word has length 48 [2018-04-09 21:49:35,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:35,646 INFO L459 AbstractCegarLoop]: Abstraction has 206 states and 219 transitions. [2018-04-09 21:49:35,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 21:49:35,646 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 219 transitions. [2018-04-09 21:49:35,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-09 21:49:35,647 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:35,647 INFO L355 BasicCegarLoop]: trace histogram [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, 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] [2018-04-09 21:49:35,647 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:35,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1165159186, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:35,654 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:35,676 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:35,679 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 [2018-04-09 21:49:35,679 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,680 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,680 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 21:49:35,695 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 [2018-04-09 21:49:35,701 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 [2018-04-09 21:49:35,702 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,703 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,709 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,709 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-09 21:49:35,721 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:49:35,722 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:49:35,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 21:49:35,723 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,728 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,728 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-04-09 21:49:35,749 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 13 treesize of output 10 [2018-04-09 21:49:35,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:49:35,751 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,753 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,758 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,758 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:24 [2018-04-09 21:49:35,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-09 21:49:35,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-04-09 21:49:35,772 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,773 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,776 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:12 [2018-04-09 21:49:35,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-04-09 21:49:35,813 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 [2018-04-09 21:49:35,814 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,818 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,822 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 21:49:35,823 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:19 [2018-04-09 21:49:35,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-09 21:49:35,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-09 21:49:35,860 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-09 21:49:35,864 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,865 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:35,868 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:26, output treesize:3 [2018-04-09 21:49:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:35,884 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:36,086 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2018-04-09 21:49:36,101 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 9 treesize of output 8 [2018-04-09 21:49:36,101 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:36,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2018-04-09 21:49:36,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-09 21:49:36,110 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:36,113 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:36,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 21:49:36,120 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:36,121 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:36,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2018-04-09 21:49:36,121 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:36,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-04-09 21:49:36,133 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:36,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-04-09 21:49:36,139 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:36,142 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:49:36,148 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:49:36,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-09 21:49:36,156 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:39, output treesize:27 [2018-04-09 21:49:36,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:36,296 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 21:49:36,297 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-04-09 21:49:36,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-09 21:49:36,297 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-09 21:49:36,298 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2018-04-09 21:49:36,298 INFO L87 Difference]: Start difference. First operand 206 states and 219 transitions. Second operand 26 states. [2018-04-09 21:49:38,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:38,122 INFO L93 Difference]: Finished difference Result 396 states and 417 transitions. [2018-04-09 21:49:38,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-09 21:49:38,122 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 68 [2018-04-09 21:49:38,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:38,123 INFO L225 Difference]: With dead ends: 396 [2018-04-09 21:49:38,124 INFO L226 Difference]: Without dead ends: 358 [2018-04-09 21:49:38,125 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=749, Invalid=3033, Unknown=0, NotChecked=0, Total=3782 [2018-04-09 21:49:38,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-04-09 21:49:38,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 206. [2018-04-09 21:49:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-04-09 21:49:38,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 217 transitions. [2018-04-09 21:49:38,139 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 217 transitions. Word has length 68 [2018-04-09 21:49:38,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:38,139 INFO L459 AbstractCegarLoop]: Abstraction has 206 states and 217 transitions. [2018-04-09 21:49:38,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-09 21:49:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 217 transitions. [2018-04-09 21:49:38,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-09 21:49:38,140 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:38,141 INFO L355 BasicCegarLoop]: trace histogram [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, 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] [2018-04-09 21:49:38,141 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:38,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1568043016, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:38,149 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:38,181 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:38,197 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 [2018-04-09 21:49:38,197 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:38,200 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:38,200 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 21:49:38,228 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:49:38,229 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:49:38,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 21:49:38,230 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:38,239 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:38,239 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-09 21:49:38,270 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 13 treesize of output 10 [2018-04-09 21:49:38,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:49:38,271 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:38,273 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:38,284 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:38,284 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:39 [2018-04-09 21:49:38,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2018-04-09 21:49:38,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-09 21:49:38,348 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:38,369 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:38,379 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 21:49:38,379 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:61, output treesize:51 [2018-04-09 21:49:38,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 39 [2018-04-09 21:49:38,448 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:38,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-04-09 21:49:38,449 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:38,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-09 21:49:38,456 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:38,459 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:38,469 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:49:38,469 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:63, output treesize:15 [2018-04-09 21:49:38,533 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:38,533 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:40,467 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2018-04-09 21:49:40,487 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 11 treesize of output 10 [2018-04-09 21:49:40,506 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:40,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2018-04-09 21:49:40,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 18 [2018-04-09 21:49:40,531 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-09 21:49:40,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2018-04-09 21:49:40,542 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:40,551 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-04-09 21:49:40,551 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:49:40,560 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-09 21:49:40,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-09 21:49:40,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:49:40,563 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:40,565 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:40,581 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-04-09 21:49:40,623 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 9 xjuncts. [2018-04-09 21:49:40,623 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:48, output treesize:156 [2018-04-09 21:49:41,251 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:41,286 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 21:49:41,286 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2018-04-09 21:49:41,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-09 21:49:41,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-09 21:49:41,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=741, Unknown=1, NotChecked=0, Total=870 [2018-04-09 21:49:41,287 INFO L87 Difference]: Start difference. First operand 206 states and 217 transitions. Second operand 30 states. [2018-04-09 21:49:42,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:42,872 INFO L93 Difference]: Finished difference Result 332 states and 349 transitions. [2018-04-09 21:49:42,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-09 21:49:42,872 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 69 [2018-04-09 21:49:42,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:42,874 INFO L225 Difference]: With dead ends: 332 [2018-04-09 21:49:42,874 INFO L226 Difference]: Without dead ends: 331 [2018-04-09 21:49:42,875 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=528, Invalid=2227, Unknown=1, NotChecked=0, Total=2756 [2018-04-09 21:49:42,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-04-09 21:49:42,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 234. [2018-04-09 21:49:42,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-04-09 21:49:42,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 247 transitions. [2018-04-09 21:49:42,891 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 247 transitions. Word has length 69 [2018-04-09 21:49:42,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:42,891 INFO L459 AbstractCegarLoop]: Abstraction has 234 states and 247 transitions. [2018-04-09 21:49:42,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-09 21:49:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 247 transitions. [2018-04-09 21:49:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-09 21:49:42,892 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:42,892 INFO L355 BasicCegarLoop]: trace histogram [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, 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] [2018-04-09 21:49:42,892 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:42,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1568043015, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:42,901 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:42,936 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:42,940 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 [2018-04-09 21:49:42,940 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:42,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:42,944 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 21:49:42,986 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 [2018-04-09 21:49:42,987 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:42,998 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:49:42,998 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:49:42,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 21:49:42,999 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:43,007 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:43,008 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:25 [2018-04-09 21:49:43,038 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 13 treesize of output 10 [2018-04-09 21:49:43,040 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 10 treesize of output 9 [2018-04-09 21:49:43,040 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:43,042 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:43,055 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 13 treesize of output 10 [2018-04-09 21:49:43,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:49:43,058 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:43,060 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:43,069 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:43,069 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:48, output treesize:43 [2018-04-09 21:49:43,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-04-09 21:49:43,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-09 21:49:43,244 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:43,266 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:43,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 56 [2018-04-09 21:49:43,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-09 21:49:43,378 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:43,422 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:43,497 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 21:49:43,497 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:70 [2018-04-09 21:49:43,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 52 [2018-04-09 21:49:43,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-09 21:49:43,768 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:43,839 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:43,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2018-04-09 21:49:43,840 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:43,871 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:43,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-09 21:49:43,978 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:43,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-09 21:49:43,978 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:44,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-09 21:49:44,015 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:44,029 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:44,088 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:44,089 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:91, output treesize:9 [2018-04-09 21:49:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:44,216 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:44,945 WARN L148 SmtUtils]: Spent 477ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-09 21:49:46,286 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 77 [2018-04-09 21:49:46,308 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 11 treesize of output 10 [2018-04-09 21:49:46,308 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-09 21:49:46,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:49:46,334 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,337 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 64 [2018-04-09 21:49:46,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 56 [2018-04-09 21:49:46,354 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-09 21:49:46,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2018-04-09 21:49:46,389 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-04-09 21:49:46,406 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:49:46,438 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-09 21:49:46,468 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-04-09 21:49:46,577 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-04-09 21:49:46,595 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 11 treesize of output 10 [2018-04-09 21:49:46,595 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-04-09 21:49:46,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-09 21:49:46,610 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-09 21:49:46,618 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2018-04-09 21:49:46,628 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-04-09 21:49:46,632 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:49:46,640 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-04-09 21:49:46,775 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 71 [2018-04-09 21:49:46,808 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 11 treesize of output 10 [2018-04-09 21:49:46,808 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-09 21:49:46,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:49:46,836 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,839 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2018-04-09 21:49:46,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2018-04-09 21:49:46,849 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-04-09 21:49:46,861 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,869 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:46,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2018-04-09 21:49:46,870 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,872 INFO L267 ElimStorePlain]: Start of recursive call 20: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,882 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:49:46,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 47 [2018-04-09 21:49:46,904 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 11 treesize of output 10 [2018-04-09 21:49:46,904 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-04-09 21:49:46,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:49:46,916 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-09 21:49:46,920 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,920 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,924 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,927 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 51 [2018-04-09 21:49:46,946 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 11 treesize of output 10 [2018-04-09 21:49:46,946 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2018-04-09 21:49:46,960 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:46,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2018-04-09 21:49:46,962 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,965 INFO L267 ElimStorePlain]: Start of recursive call 31: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,968 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,971 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 49 [2018-04-09 21:49:46,989 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 11 treesize of output 10 [2018-04-09 21:49:46,990 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:46,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2018-04-09 21:49:46,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:49:46,999 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,000 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,005 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,008 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 51 [2018-04-09 21:49:47,027 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 11 treesize of output 10 [2018-04-09 21:49:47,028 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2018-04-09 21:49:47,042 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-09 21:49:47,042 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,051 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:47,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2018-04-09 21:49:47,052 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,055 INFO L267 ElimStorePlain]: Start of recursive call 39: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,059 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,062 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2018-04-09 21:49:47,081 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 11 treesize of output 10 [2018-04-09 21:49:47,082 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2018-04-09 21:49:47,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2018-04-09 21:49:47,102 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-04-09 21:49:47,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-09 21:49:47,111 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-09 21:49:47,118 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,121 INFO L267 ElimStorePlain]: Start of recursive call 44: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:49:47,129 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:49:47,132 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2018-04-09 21:49:47,151 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 11 treesize of output 10 [2018-04-09 21:49:47,151 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2018-04-09 21:49:47,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-04-09 21:49:47,165 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-09 21:49:47,173 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2018-04-09 21:49:47,187 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 2 xjuncts. [2018-04-09 21:49:47,192 INFO L267 ElimStorePlain]: Start of recursive call 50: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:49:47,202 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:49:47,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 47 [2018-04-09 21:49:47,236 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 11 treesize of output 10 [2018-04-09 21:49:47,237 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,251 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-04-09 21:49:47,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:49:47,253 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-09 21:49:47,258 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,259 INFO L267 ElimStorePlain]: Start of recursive call 56: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,264 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 67 [2018-04-09 21:49:47,307 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 11 treesize of output 10 [2018-04-09 21:49:47,308 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-09 21:49:47,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:49:47,337 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,340 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 34 [2018-04-09 21:49:47,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:49:47,345 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-09 21:49:47,352 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,354 INFO L267 ElimStorePlain]: Start of recursive call 63: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,367 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:49:47,478 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-04-09 21:49:47,478 INFO L202 ElimStorePlain]: Needed 65 recursive calls to eliminate 7 variables, input treesize:133, output treesize:110 [2018-04-09 21:49:47,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-04-09 21:49:47,624 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:47,639 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-04-09 21:49:47,639 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:60, output treesize:55 [2018-04-09 21:49:47,885 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:47,906 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 21:49:47,906 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2018-04-09 21:49:47,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-09 21:49:47,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-09 21:49:47,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=780, Unknown=0, NotChecked=0, Total=870 [2018-04-09 21:49:47,907 INFO L87 Difference]: Start difference. First operand 234 states and 247 transitions. Second operand 30 states. [2018-04-09 21:49:49,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:49,782 INFO L93 Difference]: Finished difference Result 353 states and 371 transitions. [2018-04-09 21:49:49,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-09 21:49:49,782 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 69 [2018-04-09 21:49:49,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:49,783 INFO L225 Difference]: With dead ends: 353 [2018-04-09 21:49:49,783 INFO L226 Difference]: Without dead ends: 350 [2018-04-09 21:49:49,784 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=488, Invalid=2374, Unknown=0, NotChecked=0, Total=2862 [2018-04-09 21:49:49,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-04-09 21:49:49,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 235. [2018-04-09 21:49:49,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-04-09 21:49:49,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 248 transitions. [2018-04-09 21:49:49,794 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 248 transitions. Word has length 69 [2018-04-09 21:49:49,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:49,794 INFO L459 AbstractCegarLoop]: Abstraction has 235 states and 248 transitions. [2018-04-09 21:49:49,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-09 21:49:49,794 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 248 transitions. [2018-04-09 21:49:49,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-09 21:49:49,795 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:49,795 INFO L355 BasicCegarLoop]: trace histogram [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, 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] [2018-04-09 21:49:49,795 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:49,795 INFO L82 PathProgramCache]: Analyzing trace with hash 544308195, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:49,801 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:49,830 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:49,953 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 13 treesize of output 10 [2018-04-09 21:49:49,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:49:49,955 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:49,957 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:49,967 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:49,968 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:43 [2018-04-09 21:49:50,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 56 [2018-04-09 21:49:50,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 37 [2018-04-09 21:49:50,067 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 21:49:50,096 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 42 treesize of output 41 [2018-04-09 21:49:50,096 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:50,113 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:49:50,136 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-09 21:49:50,136 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:65, output treesize:90 [2018-04-09 21:49:50,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-04-09 21:49:50,275 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:50,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-09 21:49:50,276 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:50,284 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:50,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 65 [2018-04-09 21:49:50,330 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:50,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 43 [2018-04-09 21:49:50,331 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:50,394 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:50,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2018-04-09 21:49:50,394 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:50,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 32 [2018-04-09 21:49:50,419 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:50,439 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:49:50,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:49:50,467 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:108, output treesize:62 [2018-04-09 21:49:50,546 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~p~0.base Int)) (and (= 0 (select |c_old(#valid)| main_~p~0.base)) (= (store |c_old(#valid)| main_~p~0.base 0) |c_#valid|) (not (= 0 main_~p~0.base)))) is different from true [2018-04-09 21:49:50,585 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-09 21:49:50,586 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:50,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2018-04-09 21:49:50,789 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 11 treesize of output 10 [2018-04-09 21:49:50,789 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:50,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-09 21:49:50,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:49:50,798 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:50,800 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:50,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2018-04-09 21:49:50,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2018-04-09 21:49:50,807 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:50,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-09 21:49:50,814 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:50,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 12 [2018-04-09 21:49:50,824 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-09 21:49:50,827 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:49:50,833 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-09 21:49:50,841 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-09 21:49:50,841 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:47, output treesize:47 [2018-04-09 21:49:50,954 WARN L1011 $PredicateComparison]: unable to prove that (and (or (forall ((|v_main_#t~malloc6.base_9| Int)) (or (= 0 |v_main_#t~malloc6.base_9|) (= (store (store |c_#valid| |v_main_#t~malloc6.base_9| 1) c_main_~a~0.base 0) |c_old(#valid)|))) (= c_main_~a~0.base c_main_~p~0.base)) (or (forall ((v_prenex_38 Int)) (or (= |c_old(#valid)| (store (store |c_#valid| v_prenex_38 1) c_main_~a~0.base 0)) (= 0 v_prenex_38))) (= c_main_~a~0.offset c_main_~p~0.offset)) (or (= 0 c_main_~a~0.base) (= (store |c_#valid| c_main_~a~0.base 0) |c_old(#valid)|))) is different from false [2018-04-09 21:49:51,125 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc0.base_10| Int)) (or (= (store |c_#valid| |v_main_#t~malloc0.base_10| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc0.base_10|) 0)) (= |v_main_#t~malloc0.base_10| 0))) is different from false [2018-04-09 21:49:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-09 21:49:51,175 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 21:49:51,175 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2018-04-09 21:49:51,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-09 21:49:51,176 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-09 21:49:51,176 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=749, Unknown=11, NotChecked=174, Total=1056 [2018-04-09 21:49:51,177 INFO L87 Difference]: Start difference. First operand 235 states and 248 transitions. Second operand 33 states. [2018-04-09 21:49:51,206 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc0.base_10| Int)) (or (= (store |c_#valid| |v_main_#t~malloc0.base_10| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc0.base_10|) 0)) (= |v_main_#t~malloc0.base_10| 0)))) is different from false [2018-04-09 21:49:51,981 WARN L151 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 89 DAG size of output 86 [2018-04-09 21:49:52,675 WARN L151 SmtUtils]: Spent 228ms on a formula simplification. DAG size of input: 97 DAG size of output 94 [2018-04-09 21:49:52,884 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 85 DAG size of output 53 [2018-04-09 21:49:53,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:53,481 INFO L93 Difference]: Finished difference Result 313 states and 330 transitions. [2018-04-09 21:49:53,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-09 21:49:53,482 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 84 [2018-04-09 21:49:53,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:53,484 INFO L225 Difference]: With dead ends: 313 [2018-04-09 21:49:53,484 INFO L226 Difference]: Without dead ends: 306 [2018-04-09 21:49:53,485 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=331, Invalid=1629, Unknown=36, NotChecked=356, Total=2352 [2018-04-09 21:49:53,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-04-09 21:49:53,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 275. [2018-04-09 21:49:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-04-09 21:49:53,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 295 transitions. [2018-04-09 21:49:53,508 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 295 transitions. Word has length 84 [2018-04-09 21:49:53,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:53,508 INFO L459 AbstractCegarLoop]: Abstraction has 275 states and 295 transitions. [2018-04-09 21:49:53,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-09 21:49:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 295 transitions. [2018-04-09 21:49:53,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-09 21:49:53,509 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:53,510 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 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, 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] [2018-04-09 21:49:53,510 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:53,510 INFO L82 PathProgramCache]: Analyzing trace with hash 651905300, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:53,521 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:53,552 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:53,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:49:53,555 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,559 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,559 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 21:49:53,590 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:49:53,591 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:49:53,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 21:49:53,591 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,596 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,596 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-04-09 21:49:53,617 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 13 treesize of output 10 [2018-04-09 21:49:53,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:49:53,619 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,620 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,630 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 13 treesize of output 10 [2018-04-09 21:49:53,632 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 10 treesize of output 9 [2018-04-09 21:49:53,632 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,633 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,641 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,641 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:23 [2018-04-09 21:49:53,687 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 14 [2018-04-09 21:49:53,688 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 14 treesize of output 19 [2018-04-09 21:49:53,688 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,690 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,698 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:49:53,698 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:57 [2018-04-09 21:49:53,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 86 [2018-04-09 21:49:53,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-09 21:49:53,722 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,728 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 73 [2018-04-09 21:49:53,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-09 21:49:53,743 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,748 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:49:53,757 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:101, output treesize:81 [2018-04-09 21:49:53,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 72 [2018-04-09 21:49:53,833 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:53,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 40 [2018-04-09 21:49:53,834 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-04-09 21:49:53,843 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,848 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-04-09 21:49:53,861 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:53,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-09 21:49:53,861 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-09 21:49:53,867 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,868 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,874 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:53,874 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:102, output treesize:7 [2018-04-09 21:49:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:53,935 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:54,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2018-04-09 21:49:54,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2018-04-09 21:49:54,168 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,169 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2018-04-09 21:49:54,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2018-04-09 21:49:54,173 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,174 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,182 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-09 21:49:54,182 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:55, output treesize:53 [2018-04-09 21:49:54,484 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-04-09 21:49:54,501 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 11 treesize of output 10 [2018-04-09 21:49:54,501 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-09 21:49:54,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:49:54,518 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,521 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-04-09 21:49:54,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-09 21:49:54,589 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-04-09 21:49:54,598 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-09 21:49:54,604 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,607 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:49:54,620 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-04-09 21:49:54,667 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-04-09 21:49:54,684 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 11 treesize of output 10 [2018-04-09 21:49:54,684 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-09 21:49:54,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 1 [2018-04-09 21:49:54,702 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,704 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-04-09 21:49:54,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-09 21:49:54,713 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-09 21:49:54,722 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-04-09 21:49:54,731 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:54,734 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:49:54,747 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-04-09 21:49:54,816 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-04-09 21:49:54,816 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 6 variables, input treesize:93, output treesize:77 [2018-04-09 21:49:55,341 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:49:55,363 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 21:49:55,363 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2018-04-09 21:49:55,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-09 21:49:55,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-09 21:49:55,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1086, Unknown=0, NotChecked=0, Total=1190 [2018-04-09 21:49:55,364 INFO L87 Difference]: Start difference. First operand 275 states and 295 transitions. Second operand 35 states. [2018-04-09 21:49:57,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:57,307 INFO L93 Difference]: Finished difference Result 381 states and 398 transitions. [2018-04-09 21:49:57,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-09 21:49:57,307 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 85 [2018-04-09 21:49:57,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:57,308 INFO L225 Difference]: With dead ends: 381 [2018-04-09 21:49:57,308 INFO L226 Difference]: Without dead ends: 309 [2018-04-09 21:49:57,310 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=594, Invalid=3438, Unknown=0, NotChecked=0, Total=4032 [2018-04-09 21:49:57,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-04-09 21:49:57,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 243. [2018-04-09 21:49:57,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-04-09 21:49:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 255 transitions. [2018-04-09 21:49:57,323 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 255 transitions. Word has length 85 [2018-04-09 21:49:57,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:57,324 INFO L459 AbstractCegarLoop]: Abstraction has 243 states and 255 transitions. [2018-04-09 21:49:57,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-09 21:49:57,324 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 255 transitions. [2018-04-09 21:49:57,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-09 21:49:57,324 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:57,325 INFO L355 BasicCegarLoop]: trace histogram [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, 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] [2018-04-09 21:49:57,325 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:57,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1816163721, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:57,331 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:57,359 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:57,362 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 [2018-04-09 21:49:57,362 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,365 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,365 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 21:49:57,391 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:49:57,392 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:49:57,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 21:49:57,393 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,400 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,400 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-09 21:49:57,426 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 13 treesize of output 10 [2018-04-09 21:49:57,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:49:57,428 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,429 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,439 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,439 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:39 [2018-04-09 21:49:57,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2018-04-09 21:49:57,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-09 21:49:57,496 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,500 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 21:49:57,509 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:61, output treesize:51 [2018-04-09 21:49:57,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 39 [2018-04-09 21:49:57,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-09 21:49:57,573 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,579 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:49:57,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-04-09 21:49:57,580 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,591 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,591 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:60, output treesize:15 [2018-04-09 21:49:57,617 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:49:57,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 21:49:57,618 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,626 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:49:57,626 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:11 [2018-04-09 21:49:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-09 21:49:57,681 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:49:57,873 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2018-04-09 21:49:57,897 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 11 treesize of output 10 [2018-04-09 21:49:57,897 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-09 21:49:57,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:49:57,912 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,915 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2018-04-09 21:49:57,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2018-04-09 21:49:57,923 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:49:57,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2018-04-09 21:49:57,933 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:57,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2018-04-09 21:49:57,946 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-09 21:49:57,954 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-09 21:49:57,969 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 9 xjuncts. [2018-04-09 21:49:58,011 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 9 xjuncts. [2018-04-09 21:49:58,011 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:44, output treesize:144 [2018-04-09 21:49:58,283 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-09 21:49:58,304 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 21:49:58,304 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2018-04-09 21:49:58,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-09 21:49:58,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-09 21:49:58,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=862, Unknown=0, NotChecked=0, Total=992 [2018-04-09 21:49:58,305 INFO L87 Difference]: Start difference. First operand 243 states and 255 transitions. Second operand 32 states. [2018-04-09 21:49:59,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:49:59,656 INFO L93 Difference]: Finished difference Result 300 states and 315 transitions. [2018-04-09 21:49:59,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-09 21:49:59,656 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 88 [2018-04-09 21:49:59,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:49:59,658 INFO L225 Difference]: With dead ends: 300 [2018-04-09 21:49:59,658 INFO L226 Difference]: Without dead ends: 299 [2018-04-09 21:49:59,659 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=532, Invalid=2438, Unknown=0, NotChecked=0, Total=2970 [2018-04-09 21:49:59,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-04-09 21:49:59,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 253. [2018-04-09 21:49:59,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-04-09 21:49:59,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 266 transitions. [2018-04-09 21:49:59,672 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 266 transitions. Word has length 88 [2018-04-09 21:49:59,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:49:59,672 INFO L459 AbstractCegarLoop]: Abstraction has 253 states and 266 transitions. [2018-04-09 21:49:59,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-09 21:49:59,672 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 266 transitions. [2018-04-09 21:49:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-09 21:49:59,673 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:49:59,673 INFO L355 BasicCegarLoop]: trace histogram [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, 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] [2018-04-09 21:49:59,673 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:49:59,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1816163720, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:49:59,681 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:49:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:49:59,712 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:49:59,714 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 [2018-04-09 21:49:59,714 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:59,717 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:59,717 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 21:49:59,740 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 [2018-04-09 21:49:59,740 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:59,749 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:49:59,750 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:49:59,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 21:49:59,750 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:59,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:59,757 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:25 [2018-04-09 21:49:59,783 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 13 treesize of output 10 [2018-04-09 21:49:59,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:49:59,785 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:59,786 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:59,797 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 13 treesize of output 10 [2018-04-09 21:49:59,798 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 10 treesize of output 9 [2018-04-09 21:49:59,798 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:59,800 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:59,809 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:59,809 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:48, output treesize:43 [2018-04-09 21:49:59,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 66 [2018-04-09 21:49:59,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-09 21:49:59,864 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:59,870 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:59,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-04-09 21:49:59,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-09 21:49:59,887 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:49:59,891 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:49:59,901 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 21:49:59,901 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:70 [2018-04-09 21:50:00,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 52 [2018-04-09 21:50:00,084 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:00,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2018-04-09 21:50:00,084 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-09 21:50:00,092 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,096 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-09 21:50:00,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-09 21:50:00,111 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,116 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:00,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-09 21:50:00,116 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,119 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,125 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,125 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:88, output treesize:9 [2018-04-09 21:50:00,203 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:50:00,204 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:50:00,604 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 71 [2018-04-09 21:50:00,624 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 11 treesize of output 10 [2018-04-09 21:50:00,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 64 [2018-04-09 21:50:00,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 56 [2018-04-09 21:50:00,662 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-09 21:50:00,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2018-04-09 21:50:00,680 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:50:00,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2018-04-09 21:50:00,696 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,708 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-09 21:50:00,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-09 21:50:00,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:50:00,711 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,715 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-04-09 21:50:00,808 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 84 [2018-04-09 21:50:00,834 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 11 treesize of output 10 [2018-04-09 21:50:00,835 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-09 21:50:00,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:50:00,861 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,864 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 46 [2018-04-09 21:50:00,872 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:00,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2018-04-09 21:50:00,873 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,877 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,887 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:50:00,890 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 62 [2018-04-09 21:50:00,908 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 11 treesize of output 10 [2018-04-09 21:50:00,908 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2018-04-09 21:50:00,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:50:00,915 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,916 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,919 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,921 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 57 [2018-04-09 21:50:00,939 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 11 treesize of output 10 [2018-04-09 21:50:00,940 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2018-04-09 21:50:00,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-09 21:50:00,957 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-04-09 21:50:00,966 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:00,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2018-04-09 21:50:00,979 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-04-09 21:50:00,986 INFO L267 ElimStorePlain]: Start of recursive call 22: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:50:00,993 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:50:00,996 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 57 [2018-04-09 21:50:01,013 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 11 treesize of output 10 [2018-04-09 21:50:01,014 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2018-04-09 21:50:01,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-09 21:50:01,026 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-04-09 21:50:01,036 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2018-04-09 21:50:01,048 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2018-04-09 21:50:01,053 INFO L267 ElimStorePlain]: Start of recursive call 28: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:50:01,060 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:50:01,063 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 64 [2018-04-09 21:50:01,083 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 11 treesize of output 10 [2018-04-09 21:50:01,083 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2018-04-09 21:50:01,096 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-09 21:50:01,097 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,107 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:01,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2018-04-09 21:50:01,109 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,111 INFO L267 ElimStorePlain]: Start of recursive call 34: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,113 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 80 [2018-04-09 21:50:01,140 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 11 treesize of output 10 [2018-04-09 21:50:01,141 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-09 21:50:01,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:50:01,165 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,168 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2018-04-09 21:50:01,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:50:01,173 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2018-04-09 21:50:01,179 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,180 INFO L267 ElimStorePlain]: Start of recursive call 41: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,189 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:50:01,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 60 [2018-04-09 21:50:01,216 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 11 treesize of output 10 [2018-04-09 21:50:01,216 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 30 [2018-04-09 21:50:01,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:50:01,226 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-04-09 21:50:01,231 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,232 INFO L267 ElimStorePlain]: Start of recursive call 46: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,234 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,237 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 64 [2018-04-09 21:50:01,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-09 21:50:01,257 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2018-04-09 21:50:01,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-09 21:50:01,271 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,281 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:01,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2018-04-09 21:50:01,283 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,285 INFO L267 ElimStorePlain]: Start of recursive call 51: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,287 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 60 [2018-04-09 21:50:01,309 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 11 treesize of output 10 [2018-04-09 21:50:01,310 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 30 [2018-04-09 21:50:01,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-04-09 21:50:01,320 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-09 21:50:01,323 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,324 INFO L267 ElimStorePlain]: Start of recursive call 56: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,326 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,356 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-04-09 21:50:01,357 INFO L202 ElimStorePlain]: Needed 58 recursive calls to eliminate 3 variables, input treesize:122, output treesize:79 [2018-04-09 21:50:01,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-04-09 21:50:01,475 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:01,486 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-09 21:50:01,486 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:40 [2018-04-09 21:50:01,692 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:50:01,713 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 21:50:01,714 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 37 [2018-04-09 21:50:01,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-09 21:50:01,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-09 21:50:01,714 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1250, Unknown=0, NotChecked=0, Total=1406 [2018-04-09 21:50:01,715 INFO L87 Difference]: Start difference. First operand 253 states and 266 transitions. Second operand 38 states. [2018-04-09 21:50:03,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:50:03,708 INFO L93 Difference]: Finished difference Result 321 states and 337 transitions. [2018-04-09 21:50:03,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-09 21:50:03,709 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 88 [2018-04-09 21:50:03,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:50:03,710 INFO L225 Difference]: With dead ends: 321 [2018-04-09 21:50:03,710 INFO L226 Difference]: Without dead ends: 317 [2018-04-09 21:50:03,712 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 137 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 758 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=688, Invalid=3344, Unknown=0, NotChecked=0, Total=4032 [2018-04-09 21:50:03,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-04-09 21:50:03,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 250. [2018-04-09 21:50:03,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-04-09 21:50:03,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 262 transitions. [2018-04-09 21:50:03,735 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 262 transitions. Word has length 88 [2018-04-09 21:50:03,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:50:03,736 INFO L459 AbstractCegarLoop]: Abstraction has 250 states and 262 transitions. [2018-04-09 21:50:03,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-09 21:50:03,736 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 262 transitions. [2018-04-09 21:50:03,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-04-09 21:50:03,737 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:50:03,737 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:50:03,737 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-09 21:50:03,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1789548949, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:50:03,748 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:50:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:50:03,790 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:50:03,792 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 [2018-04-09 21:50:03,792 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,793 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,794 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 21:50:03,809 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 [2018-04-09 21:50:03,811 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 [2018-04-09 21:50:03,811 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,812 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,816 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,817 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-09 21:50:03,827 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:50:03,827 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:50:03,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 21:50:03,828 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,833 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,833 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-04-09 21:50:03,853 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 13 treesize of output 10 [2018-04-09 21:50:03,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:50:03,855 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,856 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,863 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,863 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:29 [2018-04-09 21:50:03,900 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:50:03,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 28 [2018-04-09 21:50:03,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-09 21:50:03,904 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,908 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,914 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:32 [2018-04-09 21:50:03,917 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:50:03,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 26 [2018-04-09 21:50:03,920 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 14 treesize of output 13 [2018-04-09 21:50:03,921 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,924 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,930 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,930 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:43, output treesize:45 [2018-04-09 21:50:03,947 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:50:03,947 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:50:03,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 21:50:03,948 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,953 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:44 [2018-04-09 21:50:03,985 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:50:03,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 47 [2018-04-09 21:50:03,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:50:03,993 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:03,999 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:04,006 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:04,006 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:50 [2018-04-09 21:50:04,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 42 [2018-04-09 21:50:04,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-04-09 21:50:04,026 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:04,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2018-04-09 21:50:04,031 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:50:04,035 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:50:04,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 21:50:04,040 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:62, output treesize:23 [2018-04-09 21:50:04,093 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 46 [2018-04-09 21:50:04,096 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:50:04,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 37 [2018-04-09 21:50:04,102 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 21:50:04,129 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 23 treesize of output 22 [2018-04-09 21:50:04,130 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:04,141 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:50:04,154 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-04-09 21:50:04,154 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:34, output treesize:50 [2018-04-09 21:50:04,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-09 21:50:04,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-09 21:50:04,211 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:04,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-09 21:50:04,215 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:04,216 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:04,218 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:04,218 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:26, output treesize:3 [2018-04-09 21:50:04,252 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:50:04,252 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:50:04,670 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:04,671 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:04,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2018-04-09 21:50:04,671 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:04,676 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-09 21:50:04,676 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:54, output treesize:45 [2018-04-09 21:50:21,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 51 [2018-04-09 21:50:21,835 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 9 treesize of output 8 [2018-04-09 21:50:21,835 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:21,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 61 [2018-04-09 21:50:21,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 42 [2018-04-09 21:50:21,942 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:21,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-04-09 21:50:21,944 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:21,953 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:21,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 43 [2018-04-09 21:50:21,956 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:21,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-04-09 21:50:21,958 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:21,967 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:22,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 43 [2018-04-09 21:50:22,066 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 42 [2018-04-09 21:50:22,068 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:22,091 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 44 [2018-04-09 21:50:22,095 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:22,114 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:50:22,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 42 [2018-04-09 21:50:22,126 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 41 [2018-04-09 21:50:22,128 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:22,148 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 43 [2018-04-09 21:50:22,154 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:22,171 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:50:22,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-04-09 21:50:22,254 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-04-09 21:50:22,255 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:22,261 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:50:22,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 38 [2018-04-09 21:50:22,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2018-04-09 21:50:22,274 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:22,290 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 23 [2018-04-09 21:50:22,295 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-04-09 21:50:22,314 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,315 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,316 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,317 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 42 [2018-04-09 21:50:22,325 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2018-04-09 21:50:22,359 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-09 21:50:22,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2018-04-09 21:50:22,364 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 16 [2018-04-09 21:50:22,369 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-04-09 21:50:22,380 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:50:22,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2018-04-09 21:50:22,389 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2018-04-09 21:50:22,390 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:22,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-09 21:50:22,405 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-09 21:50:22,418 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,419 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,421 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:50:22,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 35 [2018-04-09 21:50:22,425 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-04-09 21:50:22,444 INFO L267 ElimStorePlain]: Start of recursive call 23: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:50:22,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 51 [2018-04-09 21:50:22,573 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_prenex_79 term size 33 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-09 21:50:22,576 INFO L168 Benchmark]: Toolchain (without parser) took 52136.90 ms. Allocated memory was 307.8 MB in the beginning and 711.5 MB in the end (delta: 403.7 MB). Free memory was 245.5 MB in the beginning and 534.9 MB in the end (delta: -289.4 MB). Peak memory consumption was 327.6 MB. Max. memory is 5.3 GB. [2018-04-09 21:50:22,577 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 307.8 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 21:50:22,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.13 ms. Allocated memory is still 307.8 MB. Free memory was 245.5 MB in the beginning and 220.6 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 5.3 GB. [2018-04-09 21:50:22,578 INFO L168 Benchmark]: Boogie Preprocessor took 58.29 ms. Allocated memory is still 307.8 MB. Free memory was 220.6 MB in the beginning and 217.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-09 21:50:22,578 INFO L168 Benchmark]: RCFGBuilder took 592.27 ms. Allocated memory was 307.8 MB in the beginning and 474.5 MB in the end (delta: 166.7 MB). Free memory was 217.6 MB in the beginning and 400.1 MB in the end (delta: -182.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 5.3 GB. [2018-04-09 21:50:22,578 INFO L168 Benchmark]: TraceAbstraction took 51144.25 ms. Allocated memory was 474.5 MB in the beginning and 711.5 MB in the end (delta: 237.0 MB). Free memory was 400.1 MB in the beginning and 534.9 MB in the end (delta: -134.9 MB). Peak memory consumption was 315.4 MB. Max. memory is 5.3 GB. [2018-04-09 21:50:22,580 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 307.8 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 337.13 ms. Allocated memory is still 307.8 MB. Free memory was 245.5 MB in the beginning and 220.6 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 58.29 ms. Allocated memory is still 307.8 MB. Free memory was 220.6 MB in the beginning and 217.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 592.27 ms. Allocated memory was 307.8 MB in the beginning and 474.5 MB in the end (delta: 166.7 MB). Free memory was 217.6 MB in the beginning and 400.1 MB in the end (delta: -182.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 51144.25 ms. Allocated memory was 474.5 MB in the beginning and 711.5 MB in the end (delta: 237.0 MB). Free memory was 400.1 MB in the beginning and 534.9 MB in the end (delta: -134.9 MB). Peak memory consumption was 315.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_79 term size 33 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_79 term size 33: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list-ext_flag_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-09_21-50-22-586.csv Received shutdown request...