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/test-0019_1_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8168ed2-m [2018-04-11 22:07:47,977 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 22:07:47,979 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 22:07:47,993 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 22:07:47,993 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 22:07:47,995 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 22:07:47,996 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 22:07:47,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 22:07:47,999 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 22:07:48,000 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 22:07:48,000 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 22:07:48,001 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 22:07:48,002 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 22:07:48,003 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 22:07:48,004 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 22:07:48,006 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 22:07:48,008 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 22:07:48,010 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 22:07:48,011 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 22:07:48,013 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 22:07:48,015 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 22:07:48,015 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 22:07:48,016 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 22:07:48,017 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 22:07:48,017 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 22:07:48,019 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 22:07:48,019 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 22:07:48,020 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 22:07:48,021 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 22:07:48,021 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 22:07:48,021 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 22:07:48,022 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 [2018-04-11 22:07:48,047 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 22:07:48,047 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 22:07:48,047 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-11 22:07:48,048 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-11 22:07:48,048 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-11 22:07:48,048 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-11 22:07:48,049 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-11 22:07:48,049 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-11 22:07:48,049 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-11 22:07:48,049 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-11 22:07:48,050 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-11 22:07:48,050 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-11 22:07:48,050 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 22:07:48,050 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 22:07:48,050 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 22:07:48,051 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 22:07:48,051 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 22:07:48,051 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 22:07:48,051 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 22:07:48,051 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-11 22:07:48,052 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 22:07:48,052 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 22:07:48,052 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 22:07:48,052 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-11 22:07:48,052 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-11 22:07:48,053 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 22:07:48,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 22:07:48,053 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 22:07:48,053 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 22:07:48,054 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 22:07:48,054 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-11 22:07:48,054 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-11 22:07:48,054 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 22:07:48,054 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-11 22:07:48,055 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-11 22:07:48,055 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-11 22:07:48,056 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-11 22:07:48,056 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-11 22:07:48,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 22:07:48,104 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 22:07:48,108 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 22:07:48,110 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 22:07:48,111 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 22:07:48,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,435 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG6fe22267f [2018-04-11 22:07:48,619 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 22:07:48,619 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 22:07:48,620 INFO L168 CDTParser]: Scanning test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,630 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 22:07:48,630 INFO L215 ultiparseSymbolTable]: [2018-04-11 22:07:48,630 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 22:07:48,630 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data ('alloc_data') in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,630 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,630 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data ('free_data') in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,630 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 22:07:48,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____int8_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_short in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__off_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__gid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____swblk_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____blkcnt64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ldiv_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsblkcnt64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ssize_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____mode_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____timer_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fd_mask in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__nlink_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fsfilcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_short in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uint64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int8_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__int32_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____ssize_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__timer_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__mode_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____nlink_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____sig_atomic_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__key_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__div_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____clockid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__clockid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_spinlock_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____suseconds_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int16_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fsblkcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____int32_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____sigset_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uint32_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__caddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_mutexattr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____pid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____ino_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____intptr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_barrier_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__blksize_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_attr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_char in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____off64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__size_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_once_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_quad_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_cond_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__TData in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____rlim_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__wchar_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__quad_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____pthread_list_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__lldiv_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__int16_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____socklen_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__uid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_long in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_char in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__blkcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____int16_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ulong in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uint16_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____quad_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__sigset_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_long in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____ino64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____gid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____blksize_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____caddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____WAIT_STATUS in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____off_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____id_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__clock_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__suseconds_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fd_mask in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int32_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fd_set in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__daddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____loff_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____dev_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____daddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____key_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uint8_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__time_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fsid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__dev_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____blkcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____clock_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__uint in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__int64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_condattr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__id_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__loff_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____qaddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____rlim64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsfilcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____time_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__int8_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_key_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_quad_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ushort in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____int64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_mutex_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ino_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_int in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____useconds_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsfilcnt64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_rwlock_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_barrierattr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__register_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsblkcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:48,660 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG6fe22267f [2018-04-11 22:07:48,665 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 22:07:48,668 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 22:07:48,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 22:07:48,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 22:07:48,676 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 22:07:48,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 10:07:48" (1/1) ... [2018-04-11 22:07:48,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd08ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:07:48, skipping insertion in model container [2018-04-11 22:07:48,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 10:07:48" (1/1) ... [2018-04-11 22:07:48,693 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 22:07:48,726 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 22:07:48,890 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 22:07:48,941 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 22:07:48,949 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 114 non ball SCCs. Number of states in SCCs 114. [2018-04-11 22:07:49,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:07:49 WrapperNode [2018-04-11 22:07:49,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 22:07:49,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 22:07:49,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 22:07:49,006 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 22:07:49,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:07:49" (1/1) ... [2018-04-11 22:07:49,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:07:49" (1/1) ... [2018-04-11 22:07:49,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:07:49" (1/1) ... [2018-04-11 22:07:49,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:07:49" (1/1) ... [2018-04-11 22:07:49,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:07:49" (1/1) ... [2018-04-11 22:07:49,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:07:49" (1/1) ... [2018-04-11 22:07:49,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:07:49" (1/1) ... [2018-04-11 22:07:49,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 22:07:49,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 22:07:49,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 22:07:49,057 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 22:07:49,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:07:49" (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 [2018-04-11 22:07:49,180 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 22:07:49,180 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 22:07:49,180 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data [2018-04-11 22:07:49,180 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data [2018-04-11 22:07:49,180 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 22:07:49,180 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 22:07:49,181 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 22:07:49,181 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 22:07:49,181 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 22:07:49,181 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 22:07:49,181 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 22:07:49,181 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 22:07:49,181 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 22:07:49,181 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 22:07:49,182 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 22:07:49,182 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 22:07:49,182 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 22:07:49,182 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 22:07:49,182 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 22:07:49,182 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 22:07:49,182 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 22:07:49,183 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 22:07:49,183 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 22:07:49,183 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 22:07:49,183 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 22:07:49,183 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 22:07:49,183 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 22:07:49,184 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 22:07:49,184 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 22:07:49,184 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 22:07:49,184 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 22:07:49,184 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 22:07:49,184 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 22:07:49,184 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 22:07:49,184 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 22:07:49,184 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 22:07:49,184 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 22:07:49,184 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 22:07:49,185 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 22:07:49,185 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 22:07:49,185 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 22:07:49,185 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 22:07:49,185 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 22:07:49,185 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 22:07:49,185 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 22:07:49,185 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 22:07:49,185 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 22:07:49,185 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 22:07:49,186 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 22:07:49,186 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 22:07:49,186 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 22:07:49,186 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 22:07:49,186 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 22:07:49,186 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 22:07:49,186 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 22:07:49,186 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 22:07:49,186 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 22:07:49,187 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 22:07:49,187 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 22:07:49,187 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 22:07:49,187 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 22:07:49,187 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 22:07:49,187 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 22:07:49,187 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 22:07:49,187 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 22:07:49,187 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 22:07:49,187 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 22:07:49,187 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 22:07:49,187 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 22:07:49,187 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 22:07:49,188 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 22:07:49,188 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 22:07:49,188 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 22:07:49,188 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 22:07:49,188 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 22:07:49,188 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 22:07:49,188 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 22:07:49,188 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 22:07:49,188 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 22:07:49,188 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 22:07:49,188 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 22:07:49,189 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 22:07:49,189 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 22:07:49,189 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 22:07:49,189 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 22:07:49,189 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 22:07:49,189 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 22:07:49,189 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 22:07:49,189 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 22:07:49,189 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 22:07:49,189 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 22:07:49,190 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 22:07:49,190 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 22:07:49,190 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 22:07:49,190 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 22:07:49,190 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 22:07:49,190 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 22:07:49,190 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 22:07:49,190 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 22:07:49,191 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 22:07:49,191 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 22:07:49,191 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 22:07:49,191 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 22:07:49,191 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 22:07:49,191 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 22:07:49,191 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 22:07:49,192 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 22:07:49,192 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data [2018-04-11 22:07:49,192 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 22:07:49,192 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 22:07:49,192 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 22:07:49,192 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 22:07:49,192 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data [2018-04-11 22:07:49,192 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 22:07:49,193 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 22:07:49,193 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 22:07:49,193 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 22:07:49,193 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 22:07:49,193 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 22:07:49,540 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 22:07:49,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 10:07:49 BoogieIcfgContainer [2018-04-11 22:07:49,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 22:07:49,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 22:07:49,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 22:07:49,544 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 22:07:49,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 10:07:48" (1/3) ... [2018-04-11 22:07:49,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3796670a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 10:07:49, skipping insertion in model container [2018-04-11 22:07:49,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 10:07:49" (2/3) ... [2018-04-11 22:07:49,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3796670a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 10:07:49, skipping insertion in model container [2018-04-11 22:07:49,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 10:07:49" (3/3) ... [2018-04-11 22:07:49,546 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_1_true-valid-memsafety_true-termination.i [2018-04-11 22:07:49,554 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 22:07:49,561 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2018-04-11 22:07:49,600 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 22:07:49,600 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 22:07:49,600 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-11 22:07:49,600 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 22:07:49,600 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 22:07:49,601 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 22:07:49,601 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 22:07:49,601 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 22:07:49,601 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 22:07:49,601 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 22:07:49,617 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2018-04-11 22:07:49,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 22:07:49,623 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:49,624 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:49,624 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 22:07:49,629 INFO L82 PathProgramCache]: Analyzing trace with hash 2125373539, 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 [2018-04-11 22:07:49,643 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:49,690 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:49,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-11 22:07:49,754 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:49,773 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 [2018-04-11 22:07:49,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:49,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:49,779 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 22:07:49,836 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:49,838 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:49,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-11 22:07:49,840 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:49,872 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:49,873 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:49,874 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 [2018-04-11 22:07:49,875 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:49,887 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:49,887 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-04-11 22:07:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:49,908 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:50,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:50,186 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:07:50,187 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-04-11 22:07:50,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 22:07:50,204 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 22:07:50,205 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-04-11 22:07:50,207 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 10 states. [2018-04-11 22:07:50,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:50,474 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-04-11 22:07:50,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 22:07:50,475 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2018-04-11 22:07:50,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:50,483 INFO L225 Difference]: With dead ends: 76 [2018-04-11 22:07:50,483 INFO L226 Difference]: Without dead ends: 61 [2018-04-11 22:07:50,486 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-04-11 22:07:50,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-04-11 22:07:50,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-04-11 22:07:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-04-11 22:07:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-04-11 22:07:50,519 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 11 [2018-04-11 22:07:50,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:50,519 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-04-11 22:07:50,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 22:07:50,519 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-04-11 22:07:50,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 22:07:50,520 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:50,520 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:50,520 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 22:07:50,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1271204966, 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 [2018-04-11 22:07:50,526 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:50,559 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:50,564 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 [2018-04-11 22:07:50,565 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:50,566 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:50,566 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 22:07:50,573 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 [2018-04-11 22:07:50,575 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 [2018-04-11 22:07:50,576 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:50,577 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:50,580 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:50,580 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-11 22:07:50,588 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:50,589 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:50,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 33 [2018-04-11 22:07:50,590 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:50,600 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:50,600 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:23 [2018-04-11 22:07:50,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2018-04-11 22:07:50,627 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:50,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2018-04-11 22:07:50,628 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:50,654 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:50,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:50,661 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-04-11 22:07:50,678 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 42 treesize of output 32 [2018-04-11 22:07:50,682 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 32 treesize of output 21 [2018-04-11 22:07:50,684 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:50,692 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:50,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:50,700 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:42, output treesize:15 [2018-04-11 22:07:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:50,714 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:50,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:50,802 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:07:50,802 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2018-04-11 22:07:50,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 22:07:50,804 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 22:07:50,804 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-04-11 22:07:50,805 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 10 states. [2018-04-11 22:07:51,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:51,100 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-04-11 22:07:51,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 22:07:51,100 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2018-04-11 22:07:51,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:51,102 INFO L225 Difference]: With dead ends: 61 [2018-04-11 22:07:51,102 INFO L226 Difference]: Without dead ends: 60 [2018-04-11 22:07:51,103 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-04-11 22:07:51,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-11 22:07:51,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-04-11 22:07:51,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-11 22:07:51,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-04-11 22:07:51,110 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 15 [2018-04-11 22:07:51,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:51,110 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-04-11 22:07:51,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 22:07:51,110 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-04-11 22:07:51,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 22:07:51,111 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:51,111 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:51,111 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 22:07:51,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1271204967, 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 [2018-04-11 22:07:51,118 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:51,142 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:51,148 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 [2018-04-11 22:07:51,148 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,154 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 [2018-04-11 22:07:51,155 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,159 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,159 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 22:07:51,170 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 [2018-04-11 22:07:51,172 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 [2018-04-11 22:07:51,173 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,174 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,182 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 [2018-04-11 22:07:51,184 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 [2018-04-11 22:07:51,185 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,186 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,192 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,192 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:26 [2018-04-11 22:07:51,203 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:51,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-11 22:07:51,205 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,215 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:51,215 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:51,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-11 22:07:51,216 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,222 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,222 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2018-04-11 22:07:51,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-11 22:07:51,243 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:51,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-11 22:07:51,245 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,251 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2018-04-11 22:07:51,269 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:51,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2018-04-11 22:07:51,270 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,277 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,285 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,286 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:42 [2018-04-11 22:07:51,305 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 42 treesize of output 32 [2018-04-11 22:07:51,311 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 32 treesize of output 21 [2018-04-11 22:07:51,312 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:51,318 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:51,327 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 15 treesize of output 11 [2018-04-11 22:07:51,330 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 [2018-04-11 22:07:51,330 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,332 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,338 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:51,338 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:18 [2018-04-11 22:07:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:51,352 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:51,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:51,495 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:07:51,495 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 10 [2018-04-11 22:07:51,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 22:07:51,496 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 22:07:51,496 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-04-11 22:07:51,496 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 11 states. [2018-04-11 22:07:51,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:51,718 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-04-11 22:07:51,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 22:07:51,718 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2018-04-11 22:07:51,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:51,719 INFO L225 Difference]: With dead ends: 60 [2018-04-11 22:07:51,720 INFO L226 Difference]: Without dead ends: 59 [2018-04-11 22:07:51,720 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2018-04-11 22:07:51,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-11 22:07:51,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-04-11 22:07:51,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-11 22:07:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-04-11 22:07:51,726 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 15 [2018-04-11 22:07:51,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:51,727 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-04-11 22:07:51,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 22:07:51,727 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-04-11 22:07:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 22:07:51,727 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:51,728 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:51,728 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 22:07:51,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1740506218, 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 [2018-04-11 22:07:51,734 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:51,752 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:51,755 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 [2018-04-11 22:07:51,756 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,757 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 22:07:51,765 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 [2018-04-11 22:07:51,767 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 [2018-04-11 22:07:51,767 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,769 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,772 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,772 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-04-11 22:07:51,780 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 [2018-04-11 22:07:51,787 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 [2018-04-11 22:07:51,788 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,789 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,790 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,791 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-04-11 22:07:51,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:51,795 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:51,820 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:07:51,820 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-11 22:07:51,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 22:07:51,822 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 22:07:51,822 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 22:07:51,822 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 5 states. [2018-04-11 22:07:51,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:51,893 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-04-11 22:07:51,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 22:07:51,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-11 22:07:51,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:51,894 INFO L225 Difference]: With dead ends: 59 [2018-04-11 22:07:51,894 INFO L226 Difference]: Without dead ends: 58 [2018-04-11 22:07:51,895 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 22:07:51,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-11 22:07:51,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-04-11 22:07:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-11 22:07:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-04-11 22:07:51,899 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 18 [2018-04-11 22:07:51,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:51,899 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-04-11 22:07:51,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 22:07:51,899 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-04-11 22:07:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 22:07:51,900 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:51,900 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:51,900 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 22:07:51,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1740506219, 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 [2018-04-11 22:07:51,911 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:51,929 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:51,945 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 [2018-04-11 22:07:51,946 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,952 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,952 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 22:07:51,963 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 [2018-04-11 22:07:51,966 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 [2018-04-11 22:07:51,967 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,968 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,977 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 [2018-04-11 22:07:51,978 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 [2018-04-11 22:07:51,979 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,980 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,984 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,985 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-04-11 22:07:51,993 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 [2018-04-11 22:07:51,996 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 [2018-04-11 22:07:51,996 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:51,998 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,003 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 [2018-04-11 22:07:52,005 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 [2018-04-11 22:07:52,005 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,006 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,009 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,009 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-04-11 22:07:52,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:52,016 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:52,070 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:07:52,070 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-04-11 22:07:52,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 22:07:52,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 22:07:52,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-11 22:07:52,071 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 8 states. [2018-04-11 22:07:52,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:52,173 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-04-11 22:07:52,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 22:07:52,174 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-11 22:07:52,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:52,175 INFO L225 Difference]: With dead ends: 58 [2018-04-11 22:07:52,175 INFO L226 Difference]: Without dead ends: 57 [2018-04-11 22:07:52,175 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-04-11 22:07:52,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-11 22:07:52,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-04-11 22:07:52,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-11 22:07:52,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-04-11 22:07:52,181 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 18 [2018-04-11 22:07:52,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:52,181 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-04-11 22:07:52,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 22:07:52,182 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-04-11 22:07:52,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 22:07:52,182 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:52,182 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:52,182 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 22:07:52,182 INFO L82 PathProgramCache]: Analyzing trace with hash -677534517, 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 [2018-04-11 22:07:52,191 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:52,217 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:52,262 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 13 [2018-04-11 22:07:52,264 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 5 [2018-04-11 22:07:52,264 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,265 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,266 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,266 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:5 [2018-04-11 22:07:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:52,299 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:52,344 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 [2018-04-11 22:07:52,345 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,346 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,346 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-04-11 22:07:52,353 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 11 treesize of output 16 [2018-04-11 22:07:52,355 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 11 treesize of output 9 [2018-04-11 22:07:52,356 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 7 [2018-04-11 22:07:52,363 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,368 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:52,376 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:52,377 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-11 22:07:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:52,401 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:07:52,401 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 11 [2018-04-11 22:07:52,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 22:07:52,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 22:07:52,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-04-11 22:07:52,402 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 12 states. [2018-04-11 22:07:52,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:52,600 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-04-11 22:07:52,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 22:07:52,601 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-04-11 22:07:52,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:52,602 INFO L225 Difference]: With dead ends: 61 [2018-04-11 22:07:52,602 INFO L226 Difference]: Without dead ends: 59 [2018-04-11 22:07:52,603 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2018-04-11 22:07:52,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-11 22:07:52,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2018-04-11 22:07:52,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-11 22:07:52,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-04-11 22:07:52,608 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 28 [2018-04-11 22:07:52,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:52,609 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-04-11 22:07:52,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 22:07:52,609 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-04-11 22:07:52,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 22:07:52,610 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:52,610 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:52,610 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 22:07:52,611 INFO L82 PathProgramCache]: Analyzing trace with hash -677534516, 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 [2018-04-11 22:07:52,617 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:52,641 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:52,657 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 [2018-04-11 22:07:52,660 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 [2018-04-11 22:07:52,660 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,662 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,666 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,666 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2018-04-11 22:07:52,693 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 23 treesize of output 19 [2018-04-11 22:07:52,695 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 19 treesize of output 11 [2018-04-11 22:07:52,695 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,696 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,703 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 26 treesize of output 20 [2018-04-11 22:07:52,721 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 11 [2018-04-11 22:07:52,721 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,724 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,727 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,727 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:37, output treesize:11 [2018-04-11 22:07:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:52,796 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:52,890 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-11 22:07:52,890 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,893 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,893 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:99, output treesize:1 [2018-04-11 22:07:52,898 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 20 treesize of output 18 [2018-04-11 22:07:52,898 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2018-04-11 22:07:52,916 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:52,926 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:52,926 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:39 [2018-04-11 22:07:52,956 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 19 treesize of output 23 [2018-04-11 22:07:52,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-04-11 22:07:52,959 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,969 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 18 treesize of output 16 [2018-04-11 22:07:52,970 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:52,984 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:52,992 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:52,992 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:56, output treesize:23 [2018-04-11 22:07:53,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-04-11 22:07:53,018 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 5 treesize of output 3 [2018-04-11 22:07:53,019 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,020 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,026 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 16 treesize of output 14 [2018-04-11 22:07:53,031 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 5 treesize of output 3 [2018-04-11 22:07:53,031 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,032 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,035 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:53,035 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:7 [2018-04-11 22:07:53,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:53,063 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:07:53,064 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 13 [2018-04-11 22:07:53,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 22:07:53,064 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 22:07:53,064 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-11 22:07:53,064 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 14 states. [2018-04-11 22:07:53,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:53,258 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-04-11 22:07:53,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 22:07:53,258 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 28 [2018-04-11 22:07:53,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:53,259 INFO L225 Difference]: With dead ends: 55 [2018-04-11 22:07:53,259 INFO L226 Difference]: Without dead ends: 54 [2018-04-11 22:07:53,260 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2018-04-11 22:07:53,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-11 22:07:53,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-11 22:07:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-11 22:07:53,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-04-11 22:07:53,263 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 28 [2018-04-11 22:07:53,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:53,263 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-04-11 22:07:53,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 22:07:53,263 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-04-11 22:07:53,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 22:07:53,264 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:53,264 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:53,264 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 22:07:53,264 INFO L82 PathProgramCache]: Analyzing trace with hash 471266429, 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 [2018-04-11 22:07:53,270 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:53,302 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:53,323 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 [2018-04-11 22:07:53,324 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,353 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-04-11 22:07:53,374 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 [2018-04-11 22:07:53,377 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 10 treesize of output 9 [2018-04-11 22:07:53,377 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,379 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,389 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:53,389 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:18 [2018-04-11 22:07:53,449 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 [2018-04-11 22:07:53,453 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:53,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-11 22:07:53,454 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,457 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,462 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,463 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:5 [2018-04-11 22:07:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:53,497 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:53,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-04-11 22:07:53,581 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,587 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 14 treesize of output 12 [2018-04-11 22:07:53,595 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 [2018-04-11 22:07:53,595 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,596 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,601 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:53,602 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:27, output treesize:7 [2018-04-11 22:07:53,650 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 11 treesize of output 9 [2018-04-11 22:07:53,653 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 9 treesize of output 5 [2018-04-11 22:07:53,653 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:53,659 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:53,674 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-04-11 22:07:53,674 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:68 [2018-04-11 22:07:53,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:53,808 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:07:53,808 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 16 [2018-04-11 22:07:53,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 22:07:53,808 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 22:07:53,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2018-04-11 22:07:53,809 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 17 states. [2018-04-11 22:07:54,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:54,078 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-04-11 22:07:54,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 22:07:54,078 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 29 [2018-04-11 22:07:54,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:54,079 INFO L225 Difference]: With dead ends: 57 [2018-04-11 22:07:54,079 INFO L226 Difference]: Without dead ends: 56 [2018-04-11 22:07:54,079 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2018-04-11 22:07:54,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-11 22:07:54,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2018-04-11 22:07:54,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-11 22:07:54,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-04-11 22:07:54,085 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 29 [2018-04-11 22:07:54,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:54,085 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-04-11 22:07:54,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 22:07:54,086 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-04-11 22:07:54,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 22:07:54,086 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:54,087 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 22:07:54,087 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 22:07:54,087 INFO L82 PathProgramCache]: Analyzing trace with hash 471266430, 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 [2018-04-11 22:07:54,095 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:54,116 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:54,134 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 [2018-04-11 22:07:54,135 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,140 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,140 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2018-04-11 22:07:54,159 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 [2018-04-11 22:07:54,174 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 [2018-04-11 22:07:54,175 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,193 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,258 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 [2018-04-11 22:07:54,260 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 [2018-04-11 22:07:54,260 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,262 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,270 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:54,270 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:38, output treesize:27 [2018-04-11 22:07:54,352 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 [2018-04-11 22:07:54,355 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:54,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-11 22:07:54,356 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,360 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,371 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 [2018-04-11 22:07:54,373 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:54,374 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 [2018-04-11 22:07:54,374 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,377 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,384 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:48, output treesize:9 [2018-04-11 22:07:54,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:54,425 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:54,570 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 50 treesize of output 37 [2018-04-11 22:07:54,570 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,572 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 50 treesize of output 37 [2018-04-11 22:07:54,573 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,592 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 19 [2018-04-11 22:07:54,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-11 22:07:54,604 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,607 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,626 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 19 [2018-04-11 22:07:54,636 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 7 treesize of output 3 [2018-04-11 22:07:54,637 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,640 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,648 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,648 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:63, output treesize:7 [2018-04-11 22:07:54,789 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 33 treesize of output 31 [2018-04-11 22:07:54,792 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 17 treesize of output 13 [2018-04-11 22:07:54,793 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:54,799 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:54,801 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 29 treesize of output 27 [2018-04-11 22:07:54,803 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 17 treesize of output 13 [2018-04-11 22:07:54,803 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:54,811 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:54,813 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 29 treesize of output 27 [2018-04-11 22:07:54,818 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 17 treesize of output 13 [2018-04-11 22:07:54,819 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:54,834 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 22:07:54,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-04-11 22:07:54,890 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 [2018-04-11 22:07:54,890 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,893 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,894 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 23 treesize of output 21 [2018-04-11 22:07:54,898 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 [2018-04-11 22:07:54,898 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,901 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,902 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 23 treesize of output 21 [2018-04-11 22:07:54,903 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 [2018-04-11 22:07:54,904 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,907 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,943 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 [2018-04-11 22:07:54,945 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 7 treesize of output 3 [2018-04-11 22:07:54,945 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,949 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,950 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 [2018-04-11 22:07:54,952 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 7 treesize of output 3 [2018-04-11 22:07:54,952 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,956 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:54,983 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-11 22:07:54,983 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 5 variables, input treesize:73, output treesize:44 [2018-04-11 22:07:55,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:55,095 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:07:55,095 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 20 [2018-04-11 22:07:55,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 22:07:55,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 22:07:55,096 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-04-11 22:07:55,096 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 21 states. [2018-04-11 22:07:55,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:55,337 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-04-11 22:07:55,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 22:07:55,337 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 29 [2018-04-11 22:07:55,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:55,338 INFO L225 Difference]: With dead ends: 53 [2018-04-11 22:07:55,338 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 22:07:55,339 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2018-04-11 22:07:55,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 22:07:55,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-11 22:07:55,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-11 22:07:55,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-04-11 22:07:55,344 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 29 [2018-04-11 22:07:55,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:55,344 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-04-11 22:07:55,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 22:07:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-04-11 22:07:55,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 22:07:55,345 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:55,346 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] [2018-04-11 22:07:55,346 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 22:07:55,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1772687874, 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 [2018-04-11 22:07:55,352 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:55,378 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:55,433 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 [2018-04-11 22:07:55,435 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 [2018-04-11 22:07:55,435 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,436 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,440 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,440 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-04-11 22:07:55,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-11 22:07:55,451 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:55,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-11 22:07:55,453 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,456 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,459 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,460 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:7 [2018-04-11 22:07:55,472 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 15 treesize of output 11 [2018-04-11 22:07:55,473 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 [2018-04-11 22:07:55,474 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,474 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,475 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-04-11 22:07:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:55,496 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:55,534 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-11 22:07:55,535 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,535 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,535 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:1 [2018-04-11 22:07:55,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-11 22:07:55,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2018-04-11 22:07:55,569 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 6 [2018-04-11 22:07:55,569 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,574 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 1 case distinctions, treesize of input 12 treesize of output 12 [2018-04-11 22:07:55,575 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:55,582 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-11 22:07:55,595 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:55,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-11 22:07:55,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-11 22:07:55,598 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,599 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2018-04-11 22:07:55,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-11 22:07:55,607 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 31 [2018-04-11 22:07:55,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2018-04-11 22:07:55,648 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2018-04-11 22:07:55,665 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:55,669 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 1 case distinctions, treesize of input 15 treesize of output 15 [2018-04-11 22:07:55,670 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:55,681 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:55,699 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 22:07:55,714 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-11 22:07:55,714 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:20, output treesize:25 [2018-04-11 22:07:55,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:55,739 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:07:55,740 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 13 [2018-04-11 22:07:55,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 22:07:55,740 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 22:07:55,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2018-04-11 22:07:55,740 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 14 states. [2018-04-11 22:07:55,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:55,859 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-04-11 22:07:55,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 22:07:55,859 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-04-11 22:07:55,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:55,860 INFO L225 Difference]: With dead ends: 51 [2018-04-11 22:07:55,860 INFO L226 Difference]: Without dead ends: 50 [2018-04-11 22:07:55,861 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-04-11 22:07:55,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-11 22:07:55,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-11 22:07:55,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 22:07:55,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-04-11 22:07:55,868 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 33 [2018-04-11 22:07:55,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:55,869 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-04-11 22:07:55,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 22:07:55,869 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-04-11 22:07:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-11 22:07:55,870 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:55,870 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] [2018-04-11 22:07:55,870 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 22:07:55,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1792327775, 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 [2018-04-11 22:07:55,885 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:55,921 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:55,934 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 [2018-04-11 22:07:55,934 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,938 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,939 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-11 22:07:55,949 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 [2018-04-11 22:07:55,951 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 [2018-04-11 22:07:55,951 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,952 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,959 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,959 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-04-11 22:07:55,971 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:55,972 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:55,972 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-11 22:07:55,973 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,978 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:55,978 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-04-11 22:07:56,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-04-11 22:07:56,005 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:56,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-11 22:07:56,007 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,012 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,017 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-11 22:07:56,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-04-11 22:07:56,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 4 [2018-04-11 22:07:56,056 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,057 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,058 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:4 [2018-04-11 22:07:56,114 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:56,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-11 22:07:56,115 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,120 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. [2018-04-11 22:07:56,120 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-11 22:07:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:56,136 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:56,161 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 [2018-04-11 22:07:56,161 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,162 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,162 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-04-11 22:07:56,228 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,228 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:29, output treesize:1 [2018-04-11 22:07:56,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-11 22:07:56,304 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:56,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 10 [2018-04-11 22:07:56,305 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,307 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,308 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-04-11 22:07:56,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 27 [2018-04-11 22:07:56,342 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:56,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 15 [2018-04-11 22:07:56,344 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-11 22:07:56,345 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,347 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:56,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 31 [2018-04-11 22:07:56,353 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:56,365 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:56,369 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:56,377 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-11 22:07:56,377 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2018-04-11 22:07:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:56,452 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:07:56,453 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [16, 15] imperfect sequences [] total 24 [2018-04-11 22:07:56,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 22:07:56,453 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 22:07:56,453 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2018-04-11 22:07:56,454 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 25 states. [2018-04-11 22:07:56,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:07:56,865 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-04-11 22:07:56,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 22:07:56,866 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 37 [2018-04-11 22:07:56,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:07:56,869 INFO L225 Difference]: With dead ends: 52 [2018-04-11 22:07:56,869 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 22:07:56,870 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=972, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 22:07:56,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 22:07:56,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2018-04-11 22:07:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-11 22:07:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-04-11 22:07:56,874 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 37 [2018-04-11 22:07:56,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:07:56,874 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-04-11 22:07:56,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 22:07:56,874 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-04-11 22:07:56,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-11 22:07:56,875 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:07:56,875 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] [2018-04-11 22:07:56,875 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 22:07:56,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1434187494, 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 [2018-04-11 22:07:56,884 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:07:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:07:56,912 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:07:56,933 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 [2018-04-11 22:07:56,934 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,939 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,939 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-11 22:07:56,956 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 [2018-04-11 22:07:56,958 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 [2018-04-11 22:07:56,959 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,971 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,977 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,977 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-04-11 22:07:56,990 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:56,991 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:56,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-11 22:07:56,991 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,997 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:56,997 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-04-11 22:07:57,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-11 22:07:57,012 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:07:57,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-11 22:07:57,013 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,017 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,027 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 [2018-04-11 22:07:57,029 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 [2018-04-11 22:07:57,029 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,030 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,037 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,037 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:44, output treesize:24 [2018-04-11 22:07:57,068 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 23 treesize of output 16 [2018-04-11 22:07:57,070 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 [2018-04-11 22:07:57,070 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,071 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,077 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:39 [2018-04-11 22:07:57,112 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 45 treesize of output 50 [2018-04-11 22:07:57,114 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 20 treesize of output 19 [2018-04-11 22:07:57,114 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,119 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,125 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,126 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:62, output treesize:52 [2018-04-11 22:07:57,182 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 57 treesize of output 45 [2018-04-11 22:07:57,189 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 45 treesize of output 27 [2018-04-11 22:07:57,189 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,194 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,203 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 29 [2018-04-11 22:07:57,205 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 29 treesize of output 15 [2018-04-11 22:07:57,205 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,208 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,212 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,212 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:71, output treesize:19 [2018-04-11 22:07:57,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:07:57,416 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:07:57,840 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:57,840 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 8 variables, input treesize:131, output treesize:1 [2018-04-11 22:07:58,087 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 117 treesize of output 95 [2018-04-11 22:07:58,165 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 [2018-04-11 22:07:58,165 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:58,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 98 [2018-04-11 22:07:58,240 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:58,244 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:58,254 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 76 [2018-04-11 22:07:58,255 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 3 xjuncts. [2018-04-11 22:07:58,391 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 83 treesize of output 75 [2018-04-11 22:07:58,392 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:58,434 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 64 treesize of output 58 [2018-04-11 22:07:58,434 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:58,476 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 1 case distinctions, treesize of input 74 treesize of output 74 [2018-04-11 22:07:58,477 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:58,516 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 58 treesize of output 52 [2018-04-11 22:07:58,517 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:58,543 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 67 treesize of output 59 [2018-04-11 22:07:58,544 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:58,624 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2018-04-11 22:07:58,625 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:58,677 INFO L267 ElimStorePlain]: Start of recursive call 4: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:58,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 111 [2018-04-11 22:07:58,784 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 87 treesize of output 81 [2018-04-11 22:07:58,785 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:58,942 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:58,944 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:58,953 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 88 [2018-04-11 22:07:58,955 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 3 xjuncts. [2018-04-11 22:07:59,112 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 89 treesize of output 89 [2018-04-11 22:07:59,113 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:59,339 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:59,341 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:59,351 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 90 [2018-04-11 22:07:59,353 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 3 xjuncts. [2018-04-11 22:07:59,510 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 96 treesize of output 90 [2018-04-11 22:07:59,511 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:59,578 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 71 treesize of output 63 [2018-04-11 22:07:59,579 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:59,580 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 64 treesize of output 56 [2018-04-11 22:07:59,581 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:59,689 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 1 case distinctions, treesize of input 61 treesize of output 61 [2018-04-11 22:07:59,690 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-04-11 22:07:59,764 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:59,766 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:59,774 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 81 [2018-04-11 22:07:59,775 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 3 xjuncts. [2018-04-11 22:07:59,792 INFO L267 ElimStorePlain]: Start of recursive call 12: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:59,800 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 69 treesize of output 73 [2018-04-11 22:07:59,802 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 68 treesize of output 62 [2018-04-11 22:07:59,803 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:59,827 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 53 [2018-04-11 22:07:59,827 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:59,845 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:59,845 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:59,846 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 61 treesize of output 59 [2018-04-11 22:07:59,846 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-11 22:07:59,863 INFO L267 ElimStorePlain]: Start of recursive call 22: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:07:59,880 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 70 treesize of output 98 [2018-04-11 22:07:59,886 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:59,888 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:07:59,895 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 76 [2018-04-11 22:07:59,896 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 3 xjuncts. [2018-04-11 22:07:59,959 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 76 treesize of output 76 [2018-04-11 22:07:59,959 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:00,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 74 [2018-04-11 22:08:00,053 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:00,095 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 83 treesize of output 77 [2018-04-11 22:08:00,096 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:00,243 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 64 treesize of output 58 [2018-04-11 22:08:00,244 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:00,312 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 58 treesize of output 52 [2018-04-11 22:08:00,313 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:00,340 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 53 treesize of output 45 [2018-04-11 22:08:00,341 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:00,364 INFO L267 ElimStorePlain]: Start of recursive call 26: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:08:00,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 92 [2018-04-11 22:08:00,387 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:00,387 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:00,388 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:00,389 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:00,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 71 [2018-04-11 22:08:00,394 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:00,478 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 64 treesize of output 58 [2018-04-11 22:08:00,478 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:00,557 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:00,557 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:00,558 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:00,559 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:00,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 62 [2018-04-11 22:08:00,563 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:00,619 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 77 treesize of output 65 [2018-04-11 22:08:00,619 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:00,671 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:00,671 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:00,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 54 [2018-04-11 22:08:00,672 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:00,719 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 68 treesize of output 68 [2018-04-11 22:08:00,719 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:00,762 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 43 treesize of output 37 [2018-04-11 22:08:00,763 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:00,816 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 61 treesize of output 53 [2018-04-11 22:08:00,816 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:00,839 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:00,839 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:00,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2018-04-11 22:08:00,840 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:00,921 INFO L267 ElimStorePlain]: Start of recursive call 34: 13 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-11 22:08:00,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 98 [2018-04-11 22:08:00,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 76 [2018-04-11 22:08:00,946 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:01,043 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 62 treesize of output 54 [2018-04-11 22:08:01,044 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:01,240 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:01,242 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:01,249 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 76 [2018-04-11 22:08:01,250 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 3 xjuncts. [2018-04-11 22:08:01,370 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 67 treesize of output 61 [2018-04-11 22:08:01,370 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:01,407 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 48 treesize of output 42 [2018-04-11 22:08:01,408 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:01,430 INFO L267 ElimStorePlain]: Start of recursive call 44: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:08:01,436 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 69 treesize of output 73 [2018-04-11 22:08:01,439 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 68 treesize of output 62 [2018-04-11 22:08:01,439 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:01,457 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:01,458 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:01,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 59 [2018-04-11 22:08:01,459 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:01,476 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 62 treesize of output 56 [2018-04-11 22:08:01,476 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:01,490 INFO L267 ElimStorePlain]: Start of recursive call 50: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:08:01,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 105 [2018-04-11 22:08:01,511 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:01,511 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:01,512 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:01,513 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:01,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 67 [2018-04-11 22:08:01,517 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:01,584 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 58 treesize of output 52 [2018-04-11 22:08:01,584 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:01,628 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:01,629 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:01,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 54 [2018-04-11 22:08:01,630 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:01,683 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 1 case distinctions, treesize of input 62 treesize of output 62 [2018-04-11 22:08:01,684 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:01,728 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 45 treesize of output 39 [2018-04-11 22:08:01,728 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:01,884 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 55 treesize of output 47 [2018-04-11 22:08:01,885 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:01,930 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:01,930 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:01,931 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 44 treesize of output 42 [2018-04-11 22:08:01,931 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:01,953 INFO L267 ElimStorePlain]: Start of recursive call 54: 13 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-11 22:08:01,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 92 [2018-04-11 22:08:01,975 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 77 treesize of output 71 [2018-04-11 22:08:01,975 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:02,056 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 71 treesize of output 59 [2018-04-11 22:08:02,057 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:02,130 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,131 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2018-04-11 22:08:02,132 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:02,203 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,203 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,204 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,205 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 71 [2018-04-11 22:08:02,212 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:02,285 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 70 treesize of output 62 [2018-04-11 22:08:02,285 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:02,352 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 43 [2018-04-11 22:08:02,353 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:02,419 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,420 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,421 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,421 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 69 [2018-04-11 22:08:02,426 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:02,483 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 68 treesize of output 56 [2018-04-11 22:08:02,483 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:02,533 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 40 treesize of output 34 [2018-04-11 22:08:02,533 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:02,570 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,571 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,572 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,572 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 62 [2018-04-11 22:08:02,577 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:02,628 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,629 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,629 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 42 treesize of output 40 [2018-04-11 22:08:02,630 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:02,672 INFO L267 ElimStorePlain]: Start of recursive call 62: 13 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-11 22:08:02,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 96 [2018-04-11 22:08:02,700 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 1 case distinctions, treesize of input 72 treesize of output 64 [2018-04-11 22:08:02,701 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:02,785 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,786 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2018-04-11 22:08:02,787 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:02,878 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 51 treesize of output 45 [2018-04-11 22:08:02,878 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:02,968 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,970 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:02,977 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 75 [2018-04-11 22:08:02,979 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 3 xjuncts. [2018-04-11 22:08:03,060 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:03,062 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:03,069 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 70 [2018-04-11 22:08:03,071 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 3 xjuncts. [2018-04-11 22:08:03,133 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:03,136 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:03,143 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 66 [2018-04-11 22:08:03,144 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 3 xjuncts. [2018-04-11 22:08:03,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 65 [2018-04-11 22:08:03,231 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:03,268 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 45 treesize of output 39 [2018-04-11 22:08:03,268 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:03,308 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 65 treesize of output 49 [2018-04-11 22:08:03,309 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:03,336 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 35 treesize of output 29 [2018-04-11 22:08:03,337 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:03,345 INFO L267 ElimStorePlain]: Start of recursive call 74: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:08:03,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 98 [2018-04-11 22:08:03,372 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 1 case distinctions, treesize of input 74 treesize of output 74 [2018-04-11 22:08:03,373 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:03,463 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 58 treesize of output 52 [2018-04-11 22:08:03,464 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:03,532 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:03,534 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:03,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 83 [2018-04-11 22:08:03,542 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 3 xjuncts. [2018-04-11 22:08:03,646 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:03,648 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:03,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 85 [2018-04-11 22:08:03,657 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 3 xjuncts. [2018-04-11 22:08:03,698 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 67 treesize of output 59 [2018-04-11 22:08:03,698 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:03,750 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 48 treesize of output 42 [2018-04-11 22:08:03,750 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:03,789 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:03,791 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:03,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 76 [2018-04-11 22:08:03,799 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 3 xjuncts. [2018-04-11 22:08:03,846 INFO L267 ElimStorePlain]: Start of recursive call 85: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:08:03,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 111 [2018-04-11 22:08:03,873 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 1 case distinctions, treesize of input 87 treesize of output 79 [2018-04-11 22:08:03,874 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:03,976 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 89 treesize of output 73 [2018-04-11 22:08:03,977 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:04,078 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:04,081 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:04,091 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 94 [2018-04-11 22:08:04,092 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 3 xjuncts. [2018-04-11 22:08:04,207 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 96 treesize of output 80 [2018-04-11 22:08:04,207 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:04,294 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 76 treesize of output 70 [2018-04-11 22:08:04,295 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:04,379 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:04,381 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:04,388 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 90 [2018-04-11 22:08:04,390 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 3 xjuncts. [2018-04-11 22:08:04,461 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 53 [2018-04-11 22:08:04,461 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:04,633 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:04,635 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:04,643 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 81 [2018-04-11 22:08:04,644 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 3 xjuncts. [2018-04-11 22:08:04,703 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 53 treesize of output 47 [2018-04-11 22:08:04,703 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:04,716 INFO L267 ElimStorePlain]: Start of recursive call 93: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:08:04,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 96 [2018-04-11 22:08:04,736 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 81 treesize of output 75 [2018-04-11 22:08:04,736 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:04,815 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 75 treesize of output 59 [2018-04-11 22:08:04,816 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:04,895 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 72 treesize of output 64 [2018-04-11 22:08:04,896 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:04,972 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 45 treesize of output 39 [2018-04-11 22:08:04,972 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:05,036 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,038 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,045 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 75 [2018-04-11 22:08:05,046 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 3 xjuncts. [2018-04-11 22:08:05,090 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 65 treesize of output 65 [2018-04-11 22:08:05,091 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:05,124 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,127 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,139 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 66 [2018-04-11 22:08:05,141 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 3 xjuncts. [2018-04-11 22:08:05,243 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 47 treesize of output 39 [2018-04-11 22:08:05,243 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:05,245 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 40 treesize of output 32 [2018-04-11 22:08:05,245 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:05,262 INFO L267 ElimStorePlain]: Start of recursive call 103: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:08:05,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 105 [2018-04-11 22:08:05,284 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 90 treesize of output 74 [2018-04-11 22:08:05,284 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:05,370 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 60 treesize of output 54 [2018-04-11 22:08:05,370 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:05,449 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 54 treesize of output 48 [2018-04-11 22:08:05,450 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:05,520 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 58 treesize of output 52 [2018-04-11 22:08:05,520 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:05,586 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,586 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,587 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,588 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 71 [2018-04-11 22:08:05,592 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:05,664 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,664 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 54 [2018-04-11 22:08:05,665 INFO L267 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:05,730 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,731 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,732 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,732 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 75 [2018-04-11 22:08:05,737 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:05,790 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,791 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,792 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,793 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 62 [2018-04-11 22:08:05,797 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:05,843 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,844 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 22:08:05,844 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 64 treesize of output 62 [2018-04-11 22:08:05,845 INFO L267 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:05,881 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 56 treesize of output 48 [2018-04-11 22:08:05,882 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:05,921 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 62 treesize of output 62 [2018-04-11 22:08:05,922 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:05,986 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 45 treesize of output 39 [2018-04-11 22:08:05,986 INFO L267 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:06,011 INFO L267 ElimStorePlain]: Start of recursive call 113: 13 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-11 22:08:06,017 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 71 treesize of output 75 [2018-04-11 22:08:06,020 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 70 treesize of output 62 [2018-04-11 22:08:06,020 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:06,043 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 61 treesize of output 61 [2018-04-11 22:08:06,044 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:06,057 INFO L267 ElimStorePlain]: Start of recursive call 126: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:08:06,064 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 71 treesize of output 75 [2018-04-11 22:08:06,066 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 70 treesize of output 64 [2018-04-11 22:08:06,066 INFO L267 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:06,085 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 64 treesize of output 56 [2018-04-11 22:08:06,085 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:06,107 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 1 case distinctions, treesize of input 61 treesize of output 61 [2018-04-11 22:08:06,108 INFO L267 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 2 xjuncts. [2018-04-11 22:08:06,117 INFO L267 ElimStorePlain]: Start of recursive call 129: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:08:06,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-04-11 22:08:06,230 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-04-11 22:08:06,230 INFO L202 ElimStorePlain]: Needed 132 recursive calls to eliminate 1 variables, input treesize:117, output treesize:233 [2018-04-11 22:08:06,543 WARN L151 SmtUtils]: Spent 179ms on a formula simplification. DAG size of input: 118 DAG size of output 83 [2018-04-11 22:08:06,545 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 23 treesize of output 21 [2018-04-11 22:08:06,546 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 [2018-04-11 22:08:06,547 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:06,551 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:08:06,552 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 26 treesize of output 20 [2018-04-11 22:08:06,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2018-04-11 22:08:06,554 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:06,557 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:08:06,558 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 26 treesize of output 20 [2018-04-11 22:08:06,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2018-04-11 22:08:06,560 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:06,562 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:08:06,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 6 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 22:08:06,603 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:461, output treesize:7 [2018-04-11 22:08:06,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:08:06,811 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 22:08:06,811 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [22, 20] imperfect sequences [] total 39 [2018-04-11 22:08:06,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-11 22:08:06,811 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-11 22:08:06,812 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1330, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 22:08:06,812 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 39 states. [2018-04-11 22:08:07,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 22:08:07,678 INFO L93 Difference]: Finished difference Result 58 states and 57 transitions. [2018-04-11 22:08:07,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-11 22:08:07,678 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 40 [2018-04-11 22:08:07,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 22:08:07,679 INFO L225 Difference]: With dead ends: 58 [2018-04-11 22:08:07,679 INFO L226 Difference]: Without dead ends: 47 [2018-04-11 22:08:07,680 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=392, Invalid=2578, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 22:08:07,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-11 22:08:07,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-11 22:08:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-11 22:08:07,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 46 transitions. [2018-04-11 22:08:07,682 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 46 transitions. Word has length 40 [2018-04-11 22:08:07,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 22:08:07,682 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 46 transitions. [2018-04-11 22:08:07,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-11 22:08:07,682 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 46 transitions. [2018-04-11 22:08:07,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-11 22:08:07,683 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 22:08:07,683 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, 1, 1, 1] [2018-04-11 22:08:07,683 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-11 22:08:07,683 INFO L82 PathProgramCache]: Analyzing trace with hash 308358862, 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 [2018-04-11 22:08:07,689 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 22:08:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 22:08:07,711 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 22:08:07,737 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 [2018-04-11 22:08:07,738 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 [2018-04-11 22:08:07,738 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:07,740 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:08:07,746 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:08:07,747 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-04-11 22:08:07,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2018-04-11 22:08:07,779 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:08:07,779 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:08:07,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 58 [2018-04-11 22:08:07,780 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:07,788 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:08:07,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:08:07,797 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:56 [2018-04-11 22:08:07,878 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 66 treesize of output 52 [2018-04-11 22:08:07,880 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 22:08:07,881 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 52 treesize of output 36 [2018-04-11 22:08:07,881 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:07,886 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:08:07,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:08:07,891 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:71, output treesize:37 [2018-04-11 22:08:08,039 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~mem6.base| Int) (|main_#t~mem7.base| Int) (|main_~#data~0.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_~#data~0.base| 1))) (let ((.cse1 (store .cse0 |main_#t~mem6.base| 1))) (and (= 0 (select .cse0 |main_#t~mem6.base|)) (= (store (store (store (store .cse1 |main_#t~mem7.base| 1) |main_#t~mem6.base| 0) |main_#t~mem7.base| 0) |main_~#data~0.base| 0) |c_#valid|) (= 0 (select .cse1 |main_#t~mem7.base|)) (= (select |c_old(#valid)| |main_~#data~0.base|) 0))))) is different from true [2018-04-11 22:08:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 22:08:08,051 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 22:08:08,122 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_11| Int)) (= (store |c_#valid| |v_main_~#data~0.base_BEFORE_CALL_11| 0) (store (store (store |c_old(#valid)| |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0))) is different from false [2018-04-11 22:08:08,124 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_11| Int)) (= (store (store |c_#valid| c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0) (store (store (store |c_old(#valid)| |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0))) is different from false [2018-04-11 22:08:08,127 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_11| Int)) (= (store (store (store |c_old(#valid)| |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0) (store (store (store |c_#valid| c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base 0) c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0))) is different from false [2018-04-11 22:08:08,131 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_11| Int)) (= (store (store (store |c_#valid| c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base 0) c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~data.hi.base 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0) (store (store (store |c_old(#valid)| |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0))) is different from false [2018-04-11 22:08:08,133 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_11| Int)) (= (store (store (store |c_#valid| c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~data.lo.base 0) c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~data.hi.base 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0) (store (store (store |c_old(#valid)| |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0))) is different from false [2018-04-11 22:08:08,136 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_11| Int)) (= (store (store (store |c_#valid| |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0) (store (store (store |c_old(#valid)| |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_11| 0))) is different from false [2018-04-11 22:08:08,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 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 28 [2018-04-11 22:08:08,276 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 28 treesize of output 32 [2018-04-11 22:08:08,281 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 27 treesize of output 18 [2018-04-11 22:08:08,281 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 22:08:08,282 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:08:08,284 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 22:08:08,289 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. [2018-04-11 22:08:08,289 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:49, output treesize:37 [2018-04-11 22:08:08,339 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_old(#valid)_BEFORE_CALL_4| term size 36 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.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) [2018-04-11 22:08:08,342 INFO L168 Benchmark]: Toolchain (without parser) took 19676.13 ms. Allocated memory was 302.5 MB in the beginning and 694.7 MB in the end (delta: 392.2 MB). Free memory was 239.6 MB in the beginning and 630.5 MB in the end (delta: -391.0 MB). Peak memory consumption was 1.2 MB. Max. memory is 5.3 GB. [2018-04-11 22:08:08,343 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.5 MB. Free memory is still 264.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 22:08:08,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.32 ms. Allocated memory is still 302.5 MB. Free memory was 239.6 MB in the beginning and 214.5 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-11 22:08:08,343 INFO L168 Benchmark]: Boogie Preprocessor took 51.18 ms. Allocated memory is still 302.5 MB. Free memory was 214.5 MB in the beginning and 211.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-11 22:08:08,343 INFO L168 Benchmark]: RCFGBuilder took 483.81 ms. Allocated memory was 302.5 MB in the beginning and 462.4 MB in the end (delta: 159.9 MB). Free memory was 211.5 MB in the beginning and 397.7 MB in the end (delta: -186.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 5.3 GB. [2018-04-11 22:08:08,343 INFO L168 Benchmark]: TraceAbstraction took 18799.68 ms. Allocated memory was 462.4 MB in the beginning and 694.7 MB in the end (delta: 232.3 MB). Free memory was 396.3 MB in the beginning and 630.5 MB in the end (delta: -234.2 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 22:08:08,345 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.5 MB. Free memory is still 264.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 336.32 ms. Allocated memory is still 302.5 MB. Free memory was 239.6 MB in the beginning and 214.5 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 51.18 ms. Allocated memory is still 302.5 MB. Free memory was 214.5 MB in the beginning and 211.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 483.81 ms. Allocated memory was 302.5 MB in the beginning and 462.4 MB in the end (delta: 159.9 MB). Free memory was 211.5 MB in the beginning and 397.7 MB in the end (delta: -186.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 18799.68 ms. Allocated memory was 462.4 MB in the beginning and 694.7 MB in the end (delta: 232.3 MB). Free memory was 396.3 MB in the beginning and 630.5 MB in the end (delta: -234.2 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_4| term size 36 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_4| term size 36: 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/test-0019_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_22-08-08-354.csv Received shutdown request...