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 0.1.23-1cf7e2d-m [2018-03-29 21:20:07,662 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 21:20:07,664 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 21:20:07,679 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-29 21:20:07,680 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-29 21:20:07,681 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-29 21:20:07,682 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-29 21:20:07,684 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-29 21:20:07,686 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-29 21:20:07,687 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-29 21:20:07,688 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-29 21:20:07,688 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-29 21:20:07,689 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-29 21:20:07,690 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-29 21:20:07,691 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-29 21:20:07,694 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-29 21:20:07,696 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-29 21:20:07,698 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-29 21:20:07,699 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-29 21:20:07,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-29 21:20:07,703 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-29 21:20:07,703 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-29 21:20:07,703 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-29 21:20:07,704 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-29 21:20:07,705 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-29 21:20:07,707 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-29 21:20:07,707 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-29 21:20:07,708 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-29 21:20:07,708 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-29 21:20:07,709 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-29 21:20:07,709 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-29 21:20:07,710 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 [2018-03-29 21:20:07,741 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 21:20:07,741 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 21:20:07,741 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 21:20:07,741 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 21:20:07,742 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 21:20:07,742 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 21:20:07,743 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 21:20:07,743 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 21:20:07,743 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 21:20:07,743 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 21:20:07,743 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 21:20:07,744 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 21:20:07,744 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 21:20:07,744 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 21:20:07,744 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 21:20:07,744 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 21:20:07,745 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 21:20:07,745 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 21:20:07,745 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 21:20:07,745 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 21:20:07,745 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 21:20:07,746 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 21:20:07,746 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 21:20:07,746 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 21:20:07,746 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 21:20:07,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 21:20:07,747 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 21:20:07,747 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 21:20:07,747 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 21:20:07,747 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 21:20:07,748 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 21:20:07,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:20:07,748 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 21:20:07,749 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 21:20:07,749 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 21:20:07,749 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 21:20:07,749 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 21:20:07,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 21:20:07,798 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 21:20:07,802 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 21:20:07,803 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 21:20:07,804 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 21:20:07,804 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 [2018-03-29 21:20:08,144 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG2e5bed0fb [2018-03-29 21:20:08,344 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 21:20:08,344 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 21:20:08,345 INFO L168 CDTParser]: Scanning test-0019_1_true-valid-memsafety_true-termination.i [2018-03-29 21:20:08,357 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 21:20:08,357 INFO L215 ultiparseSymbolTable]: [2018-03-29 21:20:08,361 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 21:20:08,361 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 [2018-03-29 21:20:08,362 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_1_true-valid-memsafety_true-termination.i [2018-03-29 21:20:08,362 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 [2018-03-29 21:20:08,362 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 21:20:08,362 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 [2018-03-29 21:20:08,362 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 [2018-03-29 21:20:08,362 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 [2018-03-29 21:20:08,362 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 [2018-03-29 21:20:08,363 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 [2018-03-29 21:20:08,363 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 [2018-03-29 21:20:08,363 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 [2018-03-29 21:20:08,363 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 [2018-03-29 21:20:08,363 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 [2018-03-29 21:20:08,363 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 [2018-03-29 21:20:08,363 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 [2018-03-29 21:20:08,363 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 [2018-03-29 21:20:08,363 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 [2018-03-29 21:20:08,364 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 [2018-03-29 21:20:08,364 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 [2018-03-29 21:20:08,364 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 [2018-03-29 21:20:08,364 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 [2018-03-29 21:20:08,364 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 [2018-03-29 21:20:08,364 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 [2018-03-29 21:20:08,364 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 [2018-03-29 21:20:08,364 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 [2018-03-29 21:20:08,365 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 [2018-03-29 21:20:08,365 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 [2018-03-29 21:20:08,365 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 [2018-03-29 21:20:08,365 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 [2018-03-29 21:20:08,365 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 [2018-03-29 21:20:08,365 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 [2018-03-29 21:20:08,365 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 [2018-03-29 21:20:08,365 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 [2018-03-29 21:20:08,366 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 [2018-03-29 21:20:08,366 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 [2018-03-29 21:20:08,366 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 [2018-03-29 21:20:08,366 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 [2018-03-29 21:20:08,366 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 [2018-03-29 21:20:08,366 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 [2018-03-29 21:20:08,366 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 [2018-03-29 21:20:08,366 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 [2018-03-29 21:20:08,367 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 [2018-03-29 21:20:08,367 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 [2018-03-29 21:20:08,367 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 [2018-03-29 21:20:08,367 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 [2018-03-29 21:20:08,367 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 [2018-03-29 21:20:08,367 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 [2018-03-29 21:20:08,367 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 [2018-03-29 21:20:08,368 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 [2018-03-29 21:20:08,368 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 [2018-03-29 21:20:08,368 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 [2018-03-29 21:20:08,368 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 [2018-03-29 21:20:08,368 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 [2018-03-29 21:20:08,368 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 [2018-03-29 21:20:08,368 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 [2018-03-29 21:20:08,368 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 [2018-03-29 21:20:08,368 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 [2018-03-29 21:20:08,369 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 [2018-03-29 21:20:08,369 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 [2018-03-29 21:20:08,369 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 [2018-03-29 21:20:08,369 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 [2018-03-29 21:20:08,369 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 [2018-03-29 21:20:08,369 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 [2018-03-29 21:20:08,369 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 [2018-03-29 21:20:08,369 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 [2018-03-29 21:20:08,370 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 [2018-03-29 21:20:08,370 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 [2018-03-29 21:20:08,370 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 [2018-03-29 21:20:08,370 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 [2018-03-29 21:20:08,370 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 [2018-03-29 21:20:08,370 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 [2018-03-29 21:20:08,370 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 [2018-03-29 21:20:08,370 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 [2018-03-29 21:20:08,371 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 [2018-03-29 21:20:08,371 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 [2018-03-29 21:20:08,371 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 [2018-03-29 21:20:08,371 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 [2018-03-29 21:20:08,371 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 [2018-03-29 21:20:08,371 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 [2018-03-29 21:20:08,371 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 [2018-03-29 21:20:08,371 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 [2018-03-29 21:20:08,371 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 [2018-03-29 21:20:08,372 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 [2018-03-29 21:20:08,372 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 [2018-03-29 21:20:08,372 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 [2018-03-29 21:20:08,372 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 [2018-03-29 21:20:08,372 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 [2018-03-29 21:20:08,372 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 [2018-03-29 21:20:08,372 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 [2018-03-29 21:20:08,372 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 [2018-03-29 21:20:08,372 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 [2018-03-29 21:20:08,373 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 [2018-03-29 21:20:08,373 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 [2018-03-29 21:20:08,373 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 [2018-03-29 21:20:08,373 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 [2018-03-29 21:20:08,373 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 [2018-03-29 21:20:08,373 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 [2018-03-29 21:20:08,373 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 [2018-03-29 21:20:08,373 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 [2018-03-29 21:20:08,373 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 [2018-03-29 21:20:08,374 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 [2018-03-29 21:20:08,376 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 [2018-03-29 21:20:08,376 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 [2018-03-29 21:20:08,376 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 [2018-03-29 21:20:08,376 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 [2018-03-29 21:20:08,377 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 [2018-03-29 21:20:08,377 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 [2018-03-29 21:20:08,377 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 [2018-03-29 21:20:08,377 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 [2018-03-29 21:20:08,377 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 [2018-03-29 21:20:08,377 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 [2018-03-29 21:20:08,377 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 [2018-03-29 21:20:08,377 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 [2018-03-29 21:20:08,378 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 [2018-03-29 21:20:08,378 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 [2018-03-29 21:20:08,378 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 [2018-03-29 21:20:08,378 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 [2018-03-29 21:20:08,378 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 [2018-03-29 21:20:08,378 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 [2018-03-29 21:20:08,378 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 [2018-03-29 21:20:08,378 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 [2018-03-29 21:20:08,378 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 [2018-03-29 21:20:08,379 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 [2018-03-29 21:20:08,402 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG2e5bed0fb [2018-03-29 21:20:08,406 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 21:20:08,410 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 21:20:08,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 21:20:08,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 21:20:08,416 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 21:20:08,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:20:08" (1/1) ... [2018-03-29 21:20:08,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a28b4a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:08, skipping insertion in model container [2018-03-29 21:20:08,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:20:08" (1/1) ... [2018-03-29 21:20:08,434 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:20:08,465 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:20:08,630 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:20:08,676 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:20:08,684 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 114 non ball SCCs. Number of states in SCCs 114. [2018-03-29 21:20:08,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:08 WrapperNode [2018-03-29 21:20:08,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 21:20:08,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 21:20:08,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 21:20:08,735 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 21:20:08,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:08" (1/1) ... [2018-03-29 21:20:08,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:08" (1/1) ... [2018-03-29 21:20:08,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:08" (1/1) ... [2018-03-29 21:20:08,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:08" (1/1) ... [2018-03-29 21:20:08,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:08" (1/1) ... [2018-03-29 21:20:08,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:08" (1/1) ... [2018-03-29 21:20:08,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:08" (1/1) ... [2018-03-29 21:20:08,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 21:20:08,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 21:20:08,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 21:20:08,785 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 21:20:08,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:08" (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 [2018-03-29 21:20:08,911 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 21:20:08,912 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 21:20:08,912 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data [2018-03-29 21:20:08,912 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data [2018-03-29 21:20:08,912 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 21:20:08,912 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-29 21:20:08,912 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-29 21:20:08,912 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-29 21:20:08,912 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-29 21:20:08,913 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-29 21:20:08,913 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-29 21:20:08,913 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-29 21:20:08,913 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-29 21:20:08,913 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-29 21:20:08,913 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-29 21:20:08,913 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-29 21:20:08,913 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-29 21:20:08,914 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-29 21:20:08,914 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-29 21:20:08,914 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-29 21:20:08,914 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-29 21:20:08,914 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-29 21:20:08,914 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-29 21:20:08,915 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-29 21:20:08,915 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-29 21:20:08,915 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-29 21:20:08,915 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-29 21:20:08,915 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-29 21:20:08,915 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-29 21:20:08,915 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-29 21:20:08,916 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-29 21:20:08,916 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-29 21:20:08,916 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-29 21:20:08,916 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-29 21:20:08,916 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-29 21:20:08,916 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-29 21:20:08,916 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-29 21:20:08,916 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-29 21:20:08,917 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-29 21:20:08,917 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-29 21:20:08,917 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-29 21:20:08,917 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-29 21:20:08,917 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-29 21:20:08,917 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-29 21:20:08,917 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-29 21:20:08,918 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-29 21:20:08,918 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-29 21:20:08,918 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-29 21:20:08,918 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-29 21:20:08,918 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-29 21:20:08,918 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-29 21:20:08,918 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-29 21:20:08,918 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-29 21:20:08,919 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-29 21:20:08,919 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-29 21:20:08,919 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-29 21:20:08,919 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 21:20:08,919 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-29 21:20:08,919 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-29 21:20:08,919 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 21:20:08,919 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-29 21:20:08,920 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-29 21:20:08,920 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-29 21:20:08,920 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-29 21:20:08,920 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-29 21:20:08,920 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-29 21:20:08,920 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-29 21:20:08,920 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-29 21:20:08,920 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-29 21:20:08,921 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-29 21:20:08,921 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-03-29 21:20:08,921 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-29 21:20:08,921 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-29 21:20:08,921 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-29 21:20:08,921 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-29 21:20:08,921 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-29 21:20:08,922 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-29 21:20:08,922 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-29 21:20:08,922 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-29 21:20:08,922 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-29 21:20:08,922 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-29 21:20:08,922 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-29 21:20:08,922 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-29 21:20:08,922 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-29 21:20:08,923 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-29 21:20:08,923 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-29 21:20:08,923 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-29 21:20:08,923 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-29 21:20:08,923 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-29 21:20:08,923 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-29 21:20:08,923 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-29 21:20:08,923 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-29 21:20:08,924 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-29 21:20:08,924 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-29 21:20:08,924 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-29 21:20:08,924 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-29 21:20:08,924 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-29 21:20:08,924 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-29 21:20:08,924 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-29 21:20:08,925 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-29 21:20:08,925 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-29 21:20:08,925 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-29 21:20:08,925 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-29 21:20:08,925 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-29 21:20:08,925 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-29 21:20:08,925 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-29 21:20:08,925 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-29 21:20:08,925 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data [2018-03-29 21:20:08,926 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 21:20:08,926 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-29 21:20:08,926 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-29 21:20:08,926 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-29 21:20:08,926 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data [2018-03-29 21:20:08,926 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-29 21:20:08,926 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 21:20:08,927 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 21:20:08,927 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 21:20:08,927 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 21:20:08,927 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-29 21:20:09,313 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 21:20:09,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:20:09 BoogieIcfgContainer [2018-03-29 21:20:09,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 21:20:09,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 21:20:09,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 21:20:09,320 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 21:20:09,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 09:20:08" (1/3) ... [2018-03-29 21:20:09,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5999f965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:20:09, skipping insertion in model container [2018-03-29 21:20:09,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:08" (2/3) ... [2018-03-29 21:20:09,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5999f965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:20:09, skipping insertion in model container [2018-03-29 21:20:09,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:20:09" (3/3) ... [2018-03-29 21:20:09,323 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_1_true-valid-memsafety_true-termination.i [2018-03-29 21:20:09,333 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 21:20:09,345 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2018-03-29 21:20:09,405 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 21:20:09,406 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 21:20:09,406 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 21:20:09,406 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 21:20:09,406 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 21:20:09,406 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 21:20:09,406 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 21:20:09,406 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 21:20:09,406 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 21:20:09,407 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 21:20:09,427 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2018-03-29 21:20:09,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-03-29 21:20:09,434 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:09,435 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:20:09,435 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]=== [2018-03-29 21:20:09,440 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 [2018-03-29 21:20:09,452 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:09,497 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:09,557 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 [2018-03-29 21:20:09,558 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:09,576 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 [2018-03-29 21:20:09,576 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:09,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:09,581 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-29 21:20:09,672 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:09,674 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:09,675 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 [2018-03-29 21:20:09,676 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:09,725 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:09,726 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:09,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-29 21:20:09,727 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:09,741 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. [2018-03-29 21:20:09,741 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-03-29 21:20:09,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:09,767 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:10,057 WARN L148 SmtUtils]: Spent 140ms on a formula simplification that was a NOOP. DAG size: 24 [2018-03-29 21:20:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:10,207 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:10,208 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-03-29 21:20:10,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-29 21:20:10,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-29 21:20:10,221 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-03-29 21:20:10,224 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 10 states. [2018-03-29 21:20:10,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:10,481 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-03-29 21:20:10,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:20:10,482 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2018-03-29 21:20:10,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:10,492 INFO L225 Difference]: With dead ends: 76 [2018-03-29 21:20:10,492 INFO L226 Difference]: Without dead ends: 61 [2018-03-29 21:20:10,495 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-03-29 21:20:10,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-03-29 21:20:10,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-03-29 21:20:10,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-03-29 21:20:10,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-03-29 21:20:10,527 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 11 [2018-03-29 21:20:10,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:10,528 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-03-29 21:20:10,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-29 21:20:10,528 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-03-29 21:20:10,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-03-29 21:20:10,528 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:10,529 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:20:10,529 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]=== [2018-03-29 21:20:10,529 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 [2018-03-29 21:20:10,536 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:10,554 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:10,561 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 [2018-03-29 21:20:10,562 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:10,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:10,564 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:20:10,580 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 [2018-03-29 21:20:10,582 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 [2018-03-29 21:20:10,582 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:10,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:10,588 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:10,589 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-03-29 21:20:10,598 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:10,598 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:10,599 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 [2018-03-29 21:20:10,600 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:10,605 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:10,606 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:23 [2018-03-29 21:20:10,629 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 [2018-03-29 21:20:10,635 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:10,635 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 [2018-03-29 21:20:10,636 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:10,648 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:10,657 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:10,658 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-03-29 21:20:10,673 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 [2018-03-29 21:20:10,677 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 [2018-03-29 21:20:10,678 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:10,684 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:10,689 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. [2018-03-29 21:20:10,689 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:42, output treesize:15 [2018-03-29 21:20:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:10,703 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:10,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:10,777 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:10,777 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2018-03-29 21:20:10,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-29 21:20:10,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-29 21:20:10,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-03-29 21:20:10,779 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 10 states. [2018-03-29 21:20:11,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:11,053 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-03-29 21:20:11,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:20:11,053 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2018-03-29 21:20:11,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:11,054 INFO L225 Difference]: With dead ends: 61 [2018-03-29 21:20:11,054 INFO L226 Difference]: Without dead ends: 60 [2018-03-29 21:20:11,055 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-03-29 21:20:11,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-03-29 21:20:11,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-03-29 21:20:11,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-03-29 21:20:11,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-03-29 21:20:11,062 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 15 [2018-03-29 21:20:11,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:11,063 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-03-29 21:20:11,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-29 21:20:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-03-29 21:20:11,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-03-29 21:20:11,063 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:11,064 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:20:11,064 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]=== [2018-03-29 21:20:11,064 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 [2018-03-29 21:20:11,070 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:11,088 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:11,092 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 [2018-03-29 21:20:11,092 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,098 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 [2018-03-29 21:20:11,099 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,102 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,103 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-29 21:20:11,112 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 [2018-03-29 21:20:11,114 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 8 treesize of output 7 [2018-03-29 21:20:11,114 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,116 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,123 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 [2018-03-29 21:20:11,126 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 [2018-03-29 21:20:11,126 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,127 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,133 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,133 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:26 [2018-03-29 21:20:11,144 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:11,145 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 [2018-03-29 21:20:11,145 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,157 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:11,158 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:11,158 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 [2018-03-29 21:20:11,158 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,163 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,164 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2018-03-29 21:20:11,179 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 [2018-03-29 21:20:11,182 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:11,183 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 [2018-03-29 21:20:11,184 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,189 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,204 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 [2018-03-29 21:20:11,209 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:11,210 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 [2018-03-29 21:20:11,211 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,219 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,237 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:42 [2018-03-29 21:20:11,257 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 [2018-03-29 21:20:11,260 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 [2018-03-29 21:20:11,262 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:11,269 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:11,276 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 [2018-03-29 21:20:11,278 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 [2018-03-29 21:20:11,278 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,279 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,283 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. [2018-03-29 21:20:11,284 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:18 [2018-03-29 21:20:11,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:11,295 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:11,427 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:11,427 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 10 [2018-03-29 21:20:11,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-03-29 21:20:11,428 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-03-29 21:20:11,428 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:20:11,428 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 11 states. [2018-03-29 21:20:11,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:11,643 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-03-29 21:20:11,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:20:11,643 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2018-03-29 21:20:11,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:11,644 INFO L225 Difference]: With dead ends: 60 [2018-03-29 21:20:11,644 INFO L226 Difference]: Without dead ends: 59 [2018-03-29 21:20:11,645 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 [2018-03-29 21:20:11,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-03-29 21:20:11,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-03-29 21:20:11,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-03-29 21:20:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-03-29 21:20:11,651 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 15 [2018-03-29 21:20:11,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:11,651 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-03-29 21:20:11,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-03-29 21:20:11,651 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-03-29 21:20:11,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-03-29 21:20:11,652 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:11,652 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:20:11,652 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]=== [2018-03-29 21:20:11,652 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 [2018-03-29 21:20:11,671 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:11,687 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:11,690 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 [2018-03-29 21:20:11,690 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,699 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:20:11,707 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 [2018-03-29 21:20:11,708 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 [2018-03-29 21:20:11,708 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,710 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,713 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,713 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-03-29 21:20:11,732 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 [2018-03-29 21:20:11,752 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 [2018-03-29 21:20:11,752 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,754 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,755 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,755 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-03-29 21:20:11,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:11,759 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:11,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:11,782 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:11,782 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-29 21:20:11,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-29 21:20:11,782 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-29 21:20:11,782 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:20:11,783 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 5 states. [2018-03-29 21:20:11,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:11,843 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-03-29 21:20:11,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:20:11,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-03-29 21:20:11,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:11,844 INFO L225 Difference]: With dead ends: 59 [2018-03-29 21:20:11,845 INFO L226 Difference]: Without dead ends: 58 [2018-03-29 21:20:11,845 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 [2018-03-29 21:20:11,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-03-29 21:20:11,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-03-29 21:20:11,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-03-29 21:20:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-03-29 21:20:11,849 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 18 [2018-03-29 21:20:11,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:11,850 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-03-29 21:20:11,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-29 21:20:11,850 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-03-29 21:20:11,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-03-29 21:20:11,850 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:11,851 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:20:11,851 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]=== [2018-03-29 21:20:11,851 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 [2018-03-29 21:20:11,859 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:11,882 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:11,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:20:11,898 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,900 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,901 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:20:11,910 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 [2018-03-29 21:20:11,912 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 [2018-03-29 21:20:11,912 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,913 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,920 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 [2018-03-29 21:20:11,921 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 [2018-03-29 21:20:11,921 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,923 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,927 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,927 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-03-29 21:20:11,937 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 [2018-03-29 21:20:11,940 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 [2018-03-29 21:20:11,941 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,942 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,948 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 [2018-03-29 21:20:11,950 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 [2018-03-29 21:20:11,950 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,951 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:11,954 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-03-29 21:20:11,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:11,959 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:12,007 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:12,007 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-03-29 21:20:12,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 21:20:12,008 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 21:20:12,008 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-03-29 21:20:12,008 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 8 states. [2018-03-29 21:20:12,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:12,094 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-03-29 21:20:12,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:20:12,094 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-03-29 21:20:12,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:12,096 INFO L225 Difference]: With dead ends: 58 [2018-03-29 21:20:12,096 INFO L226 Difference]: Without dead ends: 57 [2018-03-29 21:20:12,096 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 [2018-03-29 21:20:12,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-03-29 21:20:12,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-03-29 21:20:12,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-03-29 21:20:12,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-03-29 21:20:12,102 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 18 [2018-03-29 21:20:12,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:12,102 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-03-29 21:20:12,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 21:20:12,103 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-03-29 21:20:12,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-29 21:20:12,103 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:12,103 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] [2018-03-29 21:20:12,103 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]=== [2018-03-29 21:20:12,103 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 [2018-03-29 21:20:12,109 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:12,142 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:12,218 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 [2018-03-29 21:20:12,221 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 [2018-03-29 21:20:12,221 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,223 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,224 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,224 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:5 [2018-03-29 21:20:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:12,260 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:12,366 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 [2018-03-29 21:20:12,366 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,367 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,368 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-03-29 21:20:12,373 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 [2018-03-29 21:20:12,375 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 [2018-03-29 21:20:12,376 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,382 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 [2018-03-29 21:20:12,382 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,385 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:12,388 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:12,388 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-03-29 21:20:12,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:12,413 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:12,413 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 11 [2018-03-29 21:20:12,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-29 21:20:12,413 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-29 21:20:12,413 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-03-29 21:20:12,414 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 12 states. [2018-03-29 21:20:12,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:12,569 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-03-29 21:20:12,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-29 21:20:12,569 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-03-29 21:20:12,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:12,570 INFO L225 Difference]: With dead ends: 60 [2018-03-29 21:20:12,570 INFO L226 Difference]: Without dead ends: 58 [2018-03-29 21:20:12,571 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2018-03-29 21:20:12,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-03-29 21:20:12,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2018-03-29 21:20:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-03-29 21:20:12,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-03-29 21:20:12,575 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 28 [2018-03-29 21:20:12,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:12,575 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-03-29 21:20:12,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-29 21:20:12,575 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-03-29 21:20:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-29 21:20:12,576 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:12,576 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] [2018-03-29 21:20:12,576 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]=== [2018-03-29 21:20:12,576 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 [2018-03-29 21:20:12,584 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:12,608 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:12,621 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 [2018-03-29 21:20:12,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:20:12,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,626 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,631 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,631 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2018-03-29 21:20:12,672 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 [2018-03-29 21:20:12,674 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 [2018-03-29 21:20:12,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,686 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,695 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 [2018-03-29 21:20:12,697 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 [2018-03-29 21:20:12,697 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,700 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,703 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,704 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:37, output treesize:11 [2018-03-29 21:20:12,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:12,800 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:12,891 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-29 21:20:12,891 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,893 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. [2018-03-29 21:20:12,893 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:99, output treesize:1 [2018-03-29 21:20:12,899 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 [2018-03-29 21:20:12,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,916 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 [2018-03-29 21:20:12,918 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:12,928 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:20:12,928 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:39 [2018-03-29 21:20:12,956 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 [2018-03-29 21:20:12,958 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 [2018-03-29 21:20:12,959 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,968 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 [2018-03-29 21:20:12,969 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:12,983 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:12,992 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:12,993 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:56, output treesize:23 [2018-03-29 21:20:13,015 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 [2018-03-29 21:20:13,021 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 [2018-03-29 21:20:13,021 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:13,022 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:13,028 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 [2018-03-29 21:20:13,032 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 [2018-03-29 21:20:13,032 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:13,033 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:13,037 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:13,038 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:7 [2018-03-29 21:20:13,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:13,064 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:13,065 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 13 [2018-03-29 21:20:13,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-03-29 21:20:13,065 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-03-29 21:20:13,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-03-29 21:20:13,066 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 14 states. [2018-03-29 21:20:13,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:13,273 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-03-29 21:20:13,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-29 21:20:13,273 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 28 [2018-03-29 21:20:13,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:13,274 INFO L225 Difference]: With dead ends: 55 [2018-03-29 21:20:13,274 INFO L226 Difference]: Without dead ends: 54 [2018-03-29 21:20:13,274 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 [2018-03-29 21:20:13,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-03-29 21:20:13,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-03-29 21:20:13,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-03-29 21:20:13,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-03-29 21:20:13,278 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 28 [2018-03-29 21:20:13,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:13,278 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-03-29 21:20:13,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-03-29 21:20:13,278 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-03-29 21:20:13,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-03-29 21:20:13,278 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:13,279 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] [2018-03-29 21:20:13,279 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]=== [2018-03-29 21:20:13,279 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 [2018-03-29 21:20:13,285 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:13,316 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:13,333 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 [2018-03-29 21:20:13,333 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:13,342 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:13,342 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-03-29 21:20:13,382 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 [2018-03-29 21:20:13,387 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 [2018-03-29 21:20:13,388 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:13,394 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:13,449 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. [2018-03-29 21:20:13,449 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:18 [2018-03-29 21:20:13,602 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 [2018-03-29 21:20:13,638 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:13,639 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 [2018-03-29 21:20:13,640 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:13,682 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:13,704 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:13,704 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:5 [2018-03-29 21:20:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:13,829 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:13,899 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 [2018-03-29 21:20:13,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:13,905 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 [2018-03-29 21:20:13,914 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 [2018-03-29 21:20:13,914 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:13,915 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:13,920 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. [2018-03-29 21:20:13,921 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:27, output treesize:7 [2018-03-29 21:20:13,965 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 [2018-03-29 21:20:13,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:20:13,970 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:13,973 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:13,998 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. [2018-03-29 21:20:13,999 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:68 [2018-03-29 21:20:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:14,171 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:14,171 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 16 [2018-03-29 21:20:14,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-03-29 21:20:14,172 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-03-29 21:20:14,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2018-03-29 21:20:14,173 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 17 states. [2018-03-29 21:20:14,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:14,455 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-03-29 21:20:14,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-29 21:20:14,455 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 29 [2018-03-29 21:20:14,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:14,456 INFO L225 Difference]: With dead ends: 58 [2018-03-29 21:20:14,456 INFO L226 Difference]: Without dead ends: 57 [2018-03-29 21:20:14,456 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2018-03-29 21:20:14,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-03-29 21:20:14,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2018-03-29 21:20:14,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-03-29 21:20:14,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-03-29 21:20:14,460 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 29 [2018-03-29 21:20:14,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:14,460 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-03-29 21:20:14,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-03-29 21:20:14,460 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-03-29 21:20:14,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-03-29 21:20:14,461 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:14,461 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] [2018-03-29 21:20:14,461 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]=== [2018-03-29 21:20:14,461 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 [2018-03-29 21:20:14,469 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:14,494 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:14,522 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 [2018-03-29 21:20:14,522 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,528 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,528 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2018-03-29 21:20:14,541 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 [2018-03-29 21:20:14,543 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 [2018-03-29 21:20:14,543 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,551 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,560 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 [2018-03-29 21:20:14,562 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 [2018-03-29 21:20:14,563 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,564 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,572 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. [2018-03-29 21:20:14,572 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:38, output treesize:27 [2018-03-29 21:20:14,616 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 [2018-03-29 21:20:14,619 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:14,619 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 [2018-03-29 21:20:14,620 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,623 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,632 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 [2018-03-29 21:20:14,636 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:14,637 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 [2018-03-29 21:20:14,637 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,640 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,647 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,647 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:48, output treesize:9 [2018-03-29 21:20:14,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:14,691 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:14,881 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 50 treesize of output 37 [2018-03-29 21:20:14,882 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,884 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 50 treesize of output 37 [2018-03-29 21:20:14,885 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,910 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 [2018-03-29 21:20:14,924 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 [2018-03-29 21:20:14,925 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,929 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,952 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 [2018-03-29 21:20:14,965 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 [2018-03-29 21:20:14,965 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,970 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:14,980 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. [2018-03-29 21:20:14,980 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:63, output treesize:7 [2018-03-29 21:20:15,111 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 [2018-03-29 21:20:15,113 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 [2018-03-29 21:20:15,114 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:15,119 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:15,121 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 [2018-03-29 21:20:15,122 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 [2018-03-29 21:20:15,123 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:15,129 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:15,130 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 [2018-03-29 21:20:15,133 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 [2018-03-29 21:20:15,133 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:15,139 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:15,196 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 [2018-03-29 21:20:15,198 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 [2018-03-29 21:20:15,198 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,201 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,203 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 27 treesize of output 25 [2018-03-29 21:20:15,205 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 [2018-03-29 21:20:15,205 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,209 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,211 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 [2018-03-29 21:20:15,212 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 [2018-03-29 21:20:15,212 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,216 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:20:15,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:20:15,254 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,258 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,260 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 [2018-03-29 21:20:15,261 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 [2018-03-29 21:20:15,262 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,266 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-03-29 21:20:15,293 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 5 variables, input treesize:73, output treesize:44 [2018-03-29 21:20:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:15,405 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:15,405 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 20 [2018-03-29 21:20:15,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-03-29 21:20:15,406 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-03-29 21:20:15,406 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-03-29 21:20:15,406 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 21 states. [2018-03-29 21:20:15,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:15,696 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-03-29 21:20:15,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-29 21:20:15,697 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 29 [2018-03-29 21:20:15,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:15,697 INFO L225 Difference]: With dead ends: 53 [2018-03-29 21:20:15,698 INFO L226 Difference]: Without dead ends: 51 [2018-03-29 21:20:15,698 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 [2018-03-29 21:20:15,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-03-29 21:20:15,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-03-29 21:20:15,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-03-29 21:20:15,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-03-29 21:20:15,703 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 29 [2018-03-29 21:20:15,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:15,703 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-03-29 21:20:15,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-03-29 21:20:15,704 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-03-29 21:20:15,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-03-29 21:20:15,705 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:15,705 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] [2018-03-29 21:20:15,705 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]=== [2018-03-29 21:20:15,705 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 [2018-03-29 21:20:15,711 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:15,737 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:15,761 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 [2018-03-29 21:20:15,762 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 [2018-03-29 21:20:15,763 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,764 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,767 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,768 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-03-29 21:20:15,777 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 [2018-03-29 21:20:15,778 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:15,779 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 [2018-03-29 21:20:15,780 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,783 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,787 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,787 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:7 [2018-03-29 21:20:15,798 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 [2018-03-29 21:20:15,800 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 [2018-03-29 21:20:15,800 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,801 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,801 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,802 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-03-29 21:20:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:15,822 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:15,863 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-29 21:20:15,863 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,863 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,863 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:1 [2018-03-29 21:20:15,887 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 [2018-03-29 21:20:15,889 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 [2018-03-29 21:20:15,899 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 [2018-03-29 21:20:15,899 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,904 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 [2018-03-29 21:20:15,905 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:15,912 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:20:15,925 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:20:15,926 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 [2018-03-29 21:20:15,928 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 [2018-03-29 21:20:15,928 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,929 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,935 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 [2018-03-29 21:20:15,937 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 [2018-03-29 21:20:15,938 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:15,953 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 [2018-03-29 21:20:15,982 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 [2018-03-29 21:20:15,982 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,002 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 [2018-03-29 21:20:16,003 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:16,008 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 [2018-03-29 21:20:16,009 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:16,023 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:20:16,045 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:20:16,062 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:20:16,062 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:20, output treesize:24 [2018-03-29 21:20:16,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:16,090 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:16,090 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 13 [2018-03-29 21:20:16,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-03-29 21:20:16,091 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-03-29 21:20:16,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2018-03-29 21:20:16,091 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 14 states. [2018-03-29 21:20:16,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:16,217 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-03-29 21:20:16,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-29 21:20:16,217 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-03-29 21:20:16,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:16,218 INFO L225 Difference]: With dead ends: 51 [2018-03-29 21:20:16,218 INFO L226 Difference]: Without dead ends: 50 [2018-03-29 21:20:16,218 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 [2018-03-29 21:20:16,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-03-29 21:20:16,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-03-29 21:20:16,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-03-29 21:20:16,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-03-29 21:20:16,222 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 33 [2018-03-29 21:20:16,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:16,223 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-03-29 21:20:16,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-03-29 21:20:16,223 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-03-29 21:20:16,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-03-29 21:20:16,224 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:16,224 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] [2018-03-29 21:20:16,224 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]=== [2018-03-29 21:20:16,224 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 [2018-03-29 21:20:16,241 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:16,272 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:16,294 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 [2018-03-29 21:20:16,295 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,301 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,301 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-03-29 21:20:16,312 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 [2018-03-29 21:20:16,314 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 [2018-03-29 21:20:16,314 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,316 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,322 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,323 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-03-29 21:20:16,336 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:16,336 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:16,337 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 [2018-03-29 21:20:16,337 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,342 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,342 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-03-29 21:20:16,357 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 [2018-03-29 21:20:16,360 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:16,364 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 [2018-03-29 21:20:16,365 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,372 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,378 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,379 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-03-29 21:20:16,528 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 [2018-03-29 21:20:16,529 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 [2018-03-29 21:20:16,529 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,530 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,531 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,532 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:4 [2018-03-29 21:20:16,587 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:16,588 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 [2018-03-29 21:20:16,588 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,594 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. [2018-03-29 21:20:16,594 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-03-29 21:20:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:16,616 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:16,649 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 [2018-03-29 21:20:16,649 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,655 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,655 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-03-29 21:20:16,733 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,733 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:29, output treesize:1 [2018-03-29 21:20:16,812 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 [2018-03-29 21:20:16,814 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:16,814 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 [2018-03-29 21:20:16,814 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,817 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,819 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 [2018-03-29 21:20:16,821 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 [2018-03-29 21:20:16,897 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:16,898 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 [2018-03-29 21:20:16,898 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,899 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 [2018-03-29 21:20:16,900 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:16,901 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:16,906 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 [2018-03-29 21:20:16,907 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:16,919 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:16,923 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:16,932 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. [2018-03-29 21:20:16,932 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2018-03-29 21:20:16,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:17,009 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:17,010 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [16, 15] imperfect sequences [] total 24 [2018-03-29 21:20:17,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-03-29 21:20:17,010 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-03-29 21:20:17,010 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2018-03-29 21:20:17,010 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 25 states. [2018-03-29 21:20:17,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:17,429 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-03-29 21:20:17,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-03-29 21:20:17,429 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 37 [2018-03-29 21:20:17,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:17,433 INFO L225 Difference]: With dead ends: 52 [2018-03-29 21:20:17,433 INFO L226 Difference]: Without dead ends: 51 [2018-03-29 21:20:17,434 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=150, Invalid=972, Unknown=0, NotChecked=0, Total=1122 [2018-03-29 21:20:17,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-03-29 21:20:17,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2018-03-29 21:20:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-03-29 21:20:17,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-03-29 21:20:17,438 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 37 [2018-03-29 21:20:17,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:17,439 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-03-29 21:20:17,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-03-29 21:20:17,439 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-03-29 21:20:17,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-03-29 21:20:17,440 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:17,440 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] [2018-03-29 21:20:17,441 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]=== [2018-03-29 21:20:17,441 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 [2018-03-29 21:20:17,450 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:17,479 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:17,492 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 [2018-03-29 21:20:17,493 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,498 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,498 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-03-29 21:20:17,508 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 [2018-03-29 21:20:17,510 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 [2018-03-29 21:20:17,510 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,512 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,519 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,519 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-03-29 21:20:17,541 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:17,542 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:17,543 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 [2018-03-29 21:20:17,543 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,549 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,549 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-03-29 21:20:17,564 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 [2018-03-29 21:20:17,567 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:17,567 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 [2018-03-29 21:20:17,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,572 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,585 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 [2018-03-29 21:20:17,588 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 [2018-03-29 21:20:17,588 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,590 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,598 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,598 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:44, output treesize:24 [2018-03-29 21:20:17,636 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 [2018-03-29 21:20:17,638 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 [2018-03-29 21:20:17,638 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,640 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,646 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,647 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:39 [2018-03-29 21:20:17,682 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 [2018-03-29 21:20:17,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-03-29 21:20:17,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,689 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,695 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,695 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:62, output treesize:52 [2018-03-29 21:20:17,751 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 [2018-03-29 21:20:17,756 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 [2018-03-29 21:20:17,757 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,761 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,768 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 [2018-03-29 21:20:17,770 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 [2018-03-29 21:20:17,771 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,774 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,777 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:17,777 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:71, output treesize:19 [2018-03-29 21:20:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:17,987 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:18,408 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:18,408 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 8 variables, input treesize:131, output treesize:1 [2018-03-29 21:20:18,696 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 [2018-03-29 21:20:18,779 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 [2018-03-29 21:20:18,780 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:18,847 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 [2018-03-29 21:20:18,858 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 [2018-03-29 21:20:18,859 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:18,972 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:18,974 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:18,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 72 [2018-03-29 21:20:18,975 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:19,090 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:19,092 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:19,100 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 89 [2018-03-29 21:20:19,102 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 3 xjuncts. [2018-03-29 21:20:19,198 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 [2018-03-29 21:20:19,199 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:19,283 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 [2018-03-29 21:20:19,284 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:19,392 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 [2018-03-29 21:20:19,393 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:19,626 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 [2018-03-29 21:20:19,627 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:19,931 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 53 treesize of output 45 [2018-03-29 21:20:19,931 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:20,007 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 57 treesize of output 51 [2018-03-29 21:20:20,008 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:20,142 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:20,145 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:20,153 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 [2018-03-29 21:20:20,154 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 3 xjuncts. [2018-03-29 21:20:20,194 INFO L267 ElimStorePlain]: Start of recursive call 4: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:20,211 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 [2018-03-29 21:20:20,217 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:20,219 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:20,227 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 [2018-03-29 21:20:20,228 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 3 xjuncts. [2018-03-29 21:20:20,414 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 [2018-03-29 21:20:20,414 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:20,513 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:20,515 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:20,523 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 [2018-03-29 21:20:20,525 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 3 xjuncts. [2018-03-29 21:20:20,726 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 60 treesize of output 54 [2018-03-29 21:20:20,727 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:20,759 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 80 treesize of output 64 [2018-03-29 21:20:20,759 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:20,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2018-03-29 21:20:20,808 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:20,895 INFO L267 ElimStorePlain]: Start of recursive call 15: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:20,902 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 [2018-03-29 21:20:20,904 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 [2018-03-29 21:20:20,905 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:20,923 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 [2018-03-29 21:20:20,924 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:20,943 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:20,943 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:20,944 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 [2018-03-29 21:20:20,944 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:20,958 INFO L267 ElimStorePlain]: Start of recursive call 22: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:20,974 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 [2018-03-29 21:20:20,980 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:20,983 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:20,994 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 [2018-03-29 21:20:20,995 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 3 xjuncts. [2018-03-29 21:20:21,061 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 [2018-03-29 21:20:21,062 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:21,159 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 [2018-03-29 21:20:21,160 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:21,212 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 [2018-03-29 21:20:21,213 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:21,380 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 [2018-03-29 21:20:21,381 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:21,461 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 52 [2018-03-29 21:20:21,462 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:21,494 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 [2018-03-29 21:20:21,495 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:21,522 INFO L267 ElimStorePlain]: Start of recursive call 26: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:21,541 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 [2018-03-29 21:20:21,548 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:21,549 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:21,551 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:21,552 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:21,567 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 [2018-03-29 21:20:21,568 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:21,676 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 [2018-03-29 21:20:21,676 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:21,771 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:21,771 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:21,773 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:21,773 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:21,777 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 [2018-03-29 21:20:21,778 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:21,841 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 [2018-03-29 21:20:21,842 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:21,898 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:21,898 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:21,899 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 [2018-03-29 21:20:21,900 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:21,961 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 [2018-03-29 21:20:21,962 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:22,014 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 [2018-03-29 21:20:22,015 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:22,078 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 [2018-03-29 21:20:22,079 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:22,106 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:22,106 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:22,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-03-29 21:20:22,107 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:22,201 INFO L267 ElimStorePlain]: Start of recursive call 34: 13 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:20:22,220 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 [2018-03-29 21:20:22,231 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 [2018-03-29 21:20:22,232 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:22,341 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 [2018-03-29 21:20:22,341 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:22,566 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:22,568 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:22,577 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 [2018-03-29 21:20:22,578 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 3 xjuncts. [2018-03-29 21:20:22,716 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 [2018-03-29 21:20:22,717 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:22,758 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 [2018-03-29 21:20:22,759 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:22,787 INFO L267 ElimStorePlain]: Start of recursive call 44: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:22,797 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 [2018-03-29 21:20:22,800 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 [2018-03-29 21:20:22,800 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:22,821 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:22,822 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:22,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-03-29 21:20:22,823 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:22,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:20:22,843 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:22,861 INFO L267 ElimStorePlain]: Start of recursive call 50: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:22,881 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 [2018-03-29 21:20:22,891 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:22,892 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:22,893 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:22,894 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:22,899 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 [2018-03-29 21:20:22,900 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:22,998 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 [2018-03-29 21:20:22,998 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:23,063 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:23,063 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:23,064 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 [2018-03-29 21:20:23,065 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:23,125 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 [2018-03-29 21:20:23,125 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:23,175 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 [2018-03-29 21:20:23,175 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:23,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:20:23,341 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:23,383 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:23,384 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:23,384 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 [2018-03-29 21:20:23,385 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:23,406 INFO L267 ElimStorePlain]: Start of recursive call 54: 13 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:20:23,422 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 [2018-03-29 21:20:23,427 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 [2018-03-29 21:20:23,427 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:23,509 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 [2018-03-29 21:20:23,510 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:23,595 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:23,596 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:23,596 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 [2018-03-29 21:20:23,597 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:23,675 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:23,675 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:23,676 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:23,677 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:23,681 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 [2018-03-29 21:20:23,681 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:23,766 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 [2018-03-29 21:20:23,767 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:23,835 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 [2018-03-29 21:20:23,836 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:23,901 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:23,901 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:23,902 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:23,903 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:23,907 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 [2018-03-29 21:20:23,908 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:23,963 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 [2018-03-29 21:20:23,964 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:24,035 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 [2018-03-29 21:20:24,035 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:24,081 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:24,082 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:24,083 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:24,084 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:24,089 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 [2018-03-29 21:20:24,090 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:24,153 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:24,154 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:24,154 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 [2018-03-29 21:20:24,155 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:24,201 INFO L267 ElimStorePlain]: Start of recursive call 62: 13 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:20:24,248 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 [2018-03-29 21:20:24,254 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:24,257 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:24,265 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 [2018-03-29 21:20:24,266 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 3 xjuncts. [2018-03-29 21:20:24,331 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 [2018-03-29 21:20:24,332 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:24,373 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 [2018-03-29 21:20:24,373 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:24,418 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 [2018-03-29 21:20:24,418 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:24,506 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 74 treesize of output 68 [2018-03-29 21:20:24,506 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:24,673 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 54 [2018-03-29 21:20:24,673 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:24,703 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2018-03-29 21:20:24,703 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:24,745 INFO L267 ElimStorePlain]: Start of recursive call 74: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:24,761 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 [2018-03-29 21:20:24,800 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:24,804 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:24,812 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 65 treesize of output 79 [2018-03-29 21:20:24,814 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 3 xjuncts. [2018-03-29 21:20:24,914 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:24,915 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:24,915 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 61 treesize of output 55 [2018-03-29 21:20:24,916 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:24,998 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 [2018-03-29 21:20:24,999 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:25,073 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 [2018-03-29 21:20:25,074 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:25,147 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 44 treesize of output 38 [2018-03-29 21:20:25,148 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:25,264 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 51 treesize of output 45 [2018-03-29 21:20:25,264 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:25,324 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 [2018-03-29 21:20:25,325 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:25,390 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:25,392 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:25,400 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 [2018-03-29 21:20:25,401 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 3 xjuncts. [2018-03-29 21:20:25,454 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 65 [2018-03-29 21:20:25,455 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:25,501 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 40 treesize of output 32 [2018-03-29 21:20:25,502 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:25,504 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 47 treesize of output 39 [2018-03-29 21:20:25,504 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:25,523 INFO L267 ElimStorePlain]: Start of recursive call 82: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:25,542 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 [2018-03-29 21:20:25,547 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 [2018-03-29 21:20:25,547 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:25,656 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 96 treesize of output 90 [2018-03-29 21:20:25,657 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:25,834 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 90 treesize of output 74 [2018-03-29 21:20:25,834 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:25,938 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:25,940 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:25,948 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 [2018-03-29 21:20:25,949 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 3 xjuncts. [2018-03-29 21:20:26,124 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 [2018-03-29 21:20:26,125 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:26,211 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 60 treesize of output 54 [2018-03-29 21:20:26,212 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:26,270 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 50 treesize of output 44 [2018-03-29 21:20:26,270 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:26,380 INFO L267 ElimStorePlain]: Start of recursive call 94: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:26,424 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 [2018-03-29 21:20:26,430 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 74 treesize of output 58 [2018-03-29 21:20:26,430 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:26,549 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 81 treesize of output 75 [2018-03-29 21:20:26,549 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:26,627 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 62 treesize of output 56 [2018-03-29 21:20:26,628 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:26,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-03-29 21:20:26,696 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:26,755 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:26,757 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:26,763 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 [2018-03-29 21:20:26,765 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 3 xjuncts. [2018-03-29 21:20:26,820 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 65 treesize of output 59 [2018-03-29 21:20:26,821 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:26,973 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:26,975 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:26,984 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 [2018-03-29 21:20:26,986 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 3 xjuncts. [2018-03-29 21:20:27,057 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 46 treesize of output 46 [2018-03-29 21:20:27,058 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:27,078 INFO L267 ElimStorePlain]: Start of recursive call 102: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:27,174 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 [2018-03-29 21:20:27,182 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 67 [2018-03-29 21:20:27,182 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:27,299 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 [2018-03-29 21:20:27,299 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:27,381 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 [2018-03-29 21:20:27,381 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:27,450 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:27,451 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:27,452 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:27,452 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:27,456 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 [2018-03-29 21:20:27,457 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:27,496 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:27,496 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:27,497 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 49 treesize of output 51 [2018-03-29 21:20:27,497 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:27,554 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:27,554 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:20:27,555 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 [2018-03-29 21:20:27,555 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:27,675 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 42 treesize of output 36 [2018-03-29 21:20:27,675 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:27,716 INFO L267 ElimStorePlain]: Start of recursive call 111: 13 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:20:27,722 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 [2018-03-29 21:20:27,725 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 [2018-03-29 21:20:27,725 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:27,744 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 [2018-03-29 21:20:27,744 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:27,770 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 [2018-03-29 21:20:27,771 INFO L267 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:27,782 INFO L267 ElimStorePlain]: Start of recursive call 119: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:27,789 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 [2018-03-29 21:20:27,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-03-29 21:20:27,792 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:27,818 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 [2018-03-29 21:20:27,819 INFO L267 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 2 xjuncts. [2018-03-29 21:20:27,834 INFO L267 ElimStorePlain]: Start of recursive call 123: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:27,931 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-03-29 21:20:27,969 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-03-29 21:20:27,970 INFO L202 ElimStorePlain]: Needed 125 recursive calls to eliminate 1 variables, input treesize:117, output treesize:233 [2018-03-29 21:20:28,308 WARN L151 SmtUtils]: Spent 197ms on a formula simplification. DAG size of input: 118 DAG size of output 83 [2018-03-29 21:20:28,311 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 [2018-03-29 21:20:28,313 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 [2018-03-29 21:20:28,313 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:28,317 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:28,319 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 [2018-03-29 21:20:28,320 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 [2018-03-29 21:20:28,321 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:28,323 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:28,324 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 [2018-03-29 21:20:28,325 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 [2018-03-29 21:20:28,326 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:28,328 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:28,370 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 6 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:20:28,370 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:461, output treesize:7 [2018-03-29 21:20:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:28,565 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:28,565 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [22, 20] imperfect sequences [] total 39 [2018-03-29 21:20:28,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-03-29 21:20:28,565 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-03-29 21:20:28,566 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1330, Unknown=0, NotChecked=0, Total=1482 [2018-03-29 21:20:28,566 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 39 states. [2018-03-29 21:20:29,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:29,497 INFO L93 Difference]: Finished difference Result 58 states and 57 transitions. [2018-03-29 21:20:29,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-03-29 21:20:29,498 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 40 [2018-03-29 21:20:29,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:29,498 INFO L225 Difference]: With dead ends: 58 [2018-03-29 21:20:29,498 INFO L226 Difference]: Without dead ends: 47 [2018-03-29 21:20:29,499 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=392, Invalid=2578, Unknown=0, NotChecked=0, Total=2970 [2018-03-29 21:20:29,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-03-29 21:20:29,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-03-29 21:20:29,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-03-29 21:20:29,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 46 transitions. [2018-03-29 21:20:29,503 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 46 transitions. Word has length 40 [2018-03-29 21:20:29,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:29,503 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 46 transitions. [2018-03-29 21:20:29,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-03-29 21:20:29,503 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 46 transitions. [2018-03-29 21:20:29,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-03-29 21:20:29,504 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:29,504 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] [2018-03-29 21:20:29,504 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]=== [2018-03-29 21:20:29,504 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 [2018-03-29 21:20:29,512 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:29,536 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:29,561 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 [2018-03-29 21:20:29,562 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 [2018-03-29 21:20:29,563 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:29,564 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:29,571 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:29,571 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-03-29 21:20:29,600 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 [2018-03-29 21:20:29,602 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:29,603 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:29,603 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 [2018-03-29 21:20:29,603 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:29,612 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:29,621 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:29,621 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:56 [2018-03-29 21:20:29,703 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 66 treesize of output 52 [2018-03-29 21:20:29,704 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:29,705 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 [2018-03-29 21:20:29,705 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:29,709 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:29,714 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:29,714 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:71, output treesize:37 [2018-03-29 21:20:29,885 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 [2018-03-29 21:20:29,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:29,896 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:29,974 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 [2018-03-29 21:20:29,977 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 [2018-03-29 21:20:29,981 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 [2018-03-29 21:20:29,986 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 [2018-03-29 21:20:29,989 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 [2018-03-29 21:20:30,007 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 [2018-03-29 21:20:30,273 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 [2018-03-29 21:20:30,286 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 [2018-03-29 21:20:30,293 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 [2018-03-29 21:20:30,293 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:30,295 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:30,297 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:30,304 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. [2018-03-29 21:20:30,304 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:49, output treesize:37 [2018-03-29 21:20:30,352 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) [2018-03-29 21:20:30,356 INFO L168 Benchmark]: Toolchain (without parser) took 21948.91 ms. Allocated memory was 301.5 MB in the beginning and 684.2 MB in the end (delta: 382.7 MB). Free memory was 237.0 MB in the beginning and 641.7 MB in the end (delta: -404.7 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 21:20:30,357 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 301.5 MB. Free memory is still 263.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 21:20:30,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.01 ms. Allocated memory is still 301.5 MB. Free memory was 237.0 MB in the beginning and 212.0 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-03-29 21:20:30,358 INFO L168 Benchmark]: Boogie Preprocessor took 49.96 ms. Allocated memory is still 301.5 MB. Free memory was 212.0 MB in the beginning and 210.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:20:30,358 INFO L168 Benchmark]: RCFGBuilder took 529.48 ms. Allocated memory was 301.5 MB in the beginning and 463.5 MB in the end (delta: 162.0 MB). Free memory was 209.0 MB in the beginning and 398.0 MB in the end (delta: -189.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-03-29 21:20:30,358 INFO L168 Benchmark]: TraceAbstraction took 21039.60 ms. Allocated memory was 463.5 MB in the beginning and 684.2 MB in the end (delta: 220.7 MB). Free memory was 398.0 MB in the beginning and 641.7 MB in the end (delta: -243.7 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 21:20:30,360 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 301.5 MB. Free memory is still 263.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 323.01 ms. Allocated memory is still 301.5 MB. Free memory was 237.0 MB in the beginning and 212.0 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 49.96 ms. Allocated memory is still 301.5 MB. Free memory was 212.0 MB in the beginning and 210.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 529.48 ms. Allocated memory was 301.5 MB in the beginning and 463.5 MB in the end (delta: 162.0 MB). Free memory was 209.0 MB in the beginning and 398.0 MB in the end (delta: -189.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 21039.60 ms. Allocated memory was 463.5 MB in the beginning and 684.2 MB in the end (delta: 220.7 MB). Free memory was 398.0 MB in the beginning and 641.7 MB in the end (delta: -243.7 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-0-2018-03-29_21-20-30-369.csv Received shutdown request...