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/array-memsafety/lis-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4cf2d92 [2018-03-28 12:14:31,718 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 12:14:31,721 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 12:14:31,736 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-03-28 12:14:31,767 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 [2018-03-28 12:14:31,791 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 12:14:31,792 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 12:14:31,792 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 12:14:31,792 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 12:14:31,793 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 12:14:31,793 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 12:14:31,793 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 12:14:31,793 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 12:14:31,794 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 12:14:31,794 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 12:14:31,794 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 12:14:31,795 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 12:14:31,795 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 12:14:31,795 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 12:14:31,795 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 12:14:31,795 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 12:14:31,796 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 12:14:31,796 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 12:14:31,796 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 12:14:31,796 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 12:14:31,796 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 12:14:31,797 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 12:14:31,797 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 12:14:31,797 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 12:14:31,797 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 12:14:31,798 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 12:14:31,798 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 12:14:31,798 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 12:14:31,798 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 12:14:31,798 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 12:14:31,799 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 12:14:31,799 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:14:31,799 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 12:14:31,800 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 12:14:31,800 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 12:14:31,800 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 12:14:31,801 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 12:14:31,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 12:14:31,848 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 12:14:31,852 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 12:14:31,854 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 12:14:31,854 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 12:14:31,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,205 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG484fbc4c7 [2018-03-28 12:14:32,368 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 12:14:32,368 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 12:14:32,369 INFO L171 CDTParser]: Scanning lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,379 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 12:14:32,380 INFO L215 ultiparseSymbolTable]: [2018-03-28 12:14:32,380 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 12:14:32,380 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,380 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,380 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,380 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis ('lis') in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,380 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 12:14:32,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__u_char in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__ulong in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____u_long in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____int16_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__daddr_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__u_int32_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__clock_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____ino64_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__blksize_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__u_long in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____off_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____caddr_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____fsid_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____uint32_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____ino_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__sigset_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____sigset_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____clockid_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__clockid_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____suseconds_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____rlim_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__quad_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__div_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__u_int16_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____int32_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__fd_mask in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__key_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__u_int8_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__wchar_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lldiv_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__uid_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__int16_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____u_char in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____gid_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____off64_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____fd_mask in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____quad_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____timer_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____id_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____u_quad_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__pthread_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____pid_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__u_int in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__register_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____int8_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__off_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__ldiv_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__gid_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____fsword_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____uint64_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__pid_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__int32_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__timer_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____ssize_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____socklen_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____nlink_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____mode_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____uid_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__size_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__nlink_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____intptr_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__id_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__ssize_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__uint in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__u_short in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__caddr_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____clock_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____daddr_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__mode_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__time_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____uint8_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__fsid_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__dev_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____key_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____useconds_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__suseconds_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____u_short in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____u_int in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____loff_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__fd_set in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____dev_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____blksize_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____qaddr_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__int8_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____time_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__ino_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,392 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__ushort in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,392 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____int64_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,392 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,392 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____rlim64_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,392 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,392 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__u_quad_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,392 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__int64_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,392 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__loff_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,393 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__u_int64_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,393 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____uint16_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,393 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:32,410 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG484fbc4c7 [2018-03-28 12:14:32,415 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 12:14:32,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 12:14:32,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 12:14:32,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 12:14:32,427 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 12:14:32,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:14:32" (1/1) ... [2018-03-28 12:14:32,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5313e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:14:32, skipping insertion in model container [2018-03-28 12:14:32,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:14:32" (1/1) ... [2018-03-28 12:14:32,447 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:14:32,477 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:14:32,647 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:14:32,698 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:14:32,705 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-03-28 12:14:32,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:14:32 WrapperNode [2018-03-28 12:14:32,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 12:14:32,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 12:14:32,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 12:14:32,757 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 12:14:32,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:14:32" (1/1) ... [2018-03-28 12:14:32,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:14:32" (1/1) ... [2018-03-28 12:14:32,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:14:32" (1/1) ... [2018-03-28 12:14:32,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:14:32" (1/1) ... [2018-03-28 12:14:32,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:14:32" (1/1) ... [2018-03-28 12:14:32,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:14:32" (1/1) ... [2018-03-28 12:14:32,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:14:32" (1/1) ... [2018-03-28 12:14:32,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 12:14:32,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 12:14:32,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 12:14:32,820 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 12:14:32,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:14:32" (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 [2018-03-28 12:14:32,945 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 12:14:32,945 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 12:14:32,946 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-28 12:14:32,946 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-28 12:14:32,946 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis [2018-03-28 12:14:32,946 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 12:14:32,946 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-28 12:14:32,946 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-28 12:14:32,946 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-28 12:14:32,947 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-28 12:14:32,947 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-28 12:14:32,947 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-28 12:14:32,947 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-28 12:14:32,947 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-28 12:14:32,947 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-28 12:14:32,947 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-28 12:14:32,947 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-28 12:14:32,948 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-28 12:14:32,948 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-28 12:14:32,948 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-28 12:14:32,948 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-28 12:14:32,948 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-28 12:14:32,948 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-28 12:14:32,949 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-28 12:14:32,949 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-28 12:14:32,949 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-28 12:14:32,949 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-28 12:14:32,949 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-28 12:14:32,949 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-28 12:14:32,949 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-28 12:14:32,949 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-28 12:14:32,950 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-28 12:14:32,950 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-28 12:14:32,950 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-28 12:14:32,950 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-28 12:14:32,950 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-28 12:14:32,950 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-28 12:14:32,950 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-28 12:14:32,950 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-28 12:14:32,951 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-28 12:14:32,951 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-28 12:14:32,951 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-28 12:14:32,951 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-28 12:14:32,951 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-28 12:14:32,951 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-28 12:14:32,951 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-28 12:14:32,951 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-28 12:14:32,951 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-28 12:14:32,951 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-28 12:14:32,951 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-28 12:14:32,951 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-28 12:14:32,952 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-28 12:14:32,952 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-28 12:14:32,952 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-28 12:14:32,952 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-28 12:14:32,952 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-28 12:14:32,952 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-28 12:14:32,952 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-28 12:14:32,952 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 12:14:32,952 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-28 12:14:32,952 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-28 12:14:32,953 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 12:14:32,953 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-28 12:14:32,953 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-28 12:14:32,953 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-28 12:14:32,953 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-28 12:14:32,953 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-28 12:14:32,953 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-28 12:14:32,953 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-28 12:14:32,953 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-28 12:14:32,954 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-28 12:14:32,954 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-28 12:14:32,954 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-28 12:14:32,954 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-28 12:14:32,954 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-28 12:14:32,954 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-28 12:14:32,954 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-28 12:14:32,954 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-28 12:14:32,954 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-28 12:14:32,954 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-28 12:14:32,954 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-28 12:14:32,954 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-28 12:14:32,954 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-28 12:14:32,955 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-28 12:14:32,955 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-28 12:14:32,955 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-28 12:14:32,955 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-28 12:14:32,955 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-28 12:14:32,955 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-28 12:14:32,955 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-28 12:14:32,955 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-28 12:14:32,956 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-28 12:14:32,956 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-28 12:14:32,956 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-28 12:14:32,956 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-28 12:14:32,956 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-28 12:14:32,956 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-28 12:14:32,956 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-28 12:14:32,957 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-28 12:14:32,957 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-28 12:14:32,957 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-28 12:14:32,957 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-28 12:14:32,957 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-28 12:14:32,957 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-28 12:14:32,957 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-28 12:14:32,958 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-28 12:14:32,958 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-28 12:14:32,958 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-28 12:14:32,958 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-28 12:14:32,958 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis [2018-03-28 12:14:32,958 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 12:14:32,958 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 12:14:32,958 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 12:14:32,958 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 12:14:32,958 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 12:14:32,959 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 12:14:32,959 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 12:14:32,959 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 12:14:33,437 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 12:14:33,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:14:33 BoogieIcfgContainer [2018-03-28 12:14:33,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 12:14:33,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 12:14:33,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 12:14:33,442 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 12:14:33,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:14:32" (1/3) ... [2018-03-28 12:14:33,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7d4250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:14:33, skipping insertion in model container [2018-03-28 12:14:33,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:14:32" (2/3) ... [2018-03-28 12:14:33,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7d4250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:14:33, skipping insertion in model container [2018-03-28 12:14:33,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:14:33" (3/3) ... [2018-03-28 12:14:33,444 INFO L107 eAbstractionObserver]: Analyzing ICFG lis-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:14:33,452 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 12:14:33,459 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 23 error locations. [2018-03-28 12:14:33,502 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 12:14:33,503 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 12:14:33,503 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 12:14:33,503 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 12:14:33,503 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 12:14:33,503 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 12:14:33,503 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 12:14:33,503 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 12:14:33,503 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 12:14:33,504 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 12:14:33,517 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2018-03-28 12:14:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-28 12:14:33,522 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:14:33,523 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] [2018-03-28 12:14:33,523 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr1RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr11RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr20RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr16RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr15RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr12RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr10RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr14RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr0RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr19RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr5RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr13RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr3RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr17RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr8RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr7RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr2RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr6RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr9RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr18RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr21RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr4RequiresViolation]=== [2018-03-28 12:14:33,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1762991786, 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 [2018-03-28 12:14:33,540 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:14:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:14:33,590 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:14:33,634 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 [2018-03-28 12:14:33,636 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:33,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:33,642 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:14:33,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-03-28 12:14:33,675 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:33,683 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. [2018-03-28 12:14:33,683 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-28 12:14:33,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:33,703 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:14:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:33,768 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:14:33,769 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:14:33,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:14:33,780 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:14:33,781 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:14:33,782 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 4 states. [2018-03-28 12:14:33,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:14:33,894 INFO L93 Difference]: Finished difference Result 195 states and 220 transitions. [2018-03-28 12:14:33,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:14:33,896 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-03-28 12:14:33,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:14:33,907 INFO L225 Difference]: With dead ends: 195 [2018-03-28 12:14:33,907 INFO L226 Difference]: Without dead ends: 109 [2018-03-28 12:14:33,910 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:14:33,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-03-28 12:14:33,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-03-28 12:14:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-03-28 12:14:33,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 116 transitions. [2018-03-28 12:14:33,951 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 116 transitions. Word has length 28 [2018-03-28 12:14:33,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:14:33,952 INFO L459 AbstractCegarLoop]: Abstraction has 109 states and 116 transitions. [2018-03-28 12:14:33,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:14:33,952 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 116 transitions. [2018-03-28 12:14:33,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-28 12:14:33,953 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:14:33,953 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] [2018-03-28 12:14:33,953 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr1RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr11RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr20RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr16RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr15RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr12RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr10RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr14RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr0RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr19RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr5RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr13RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr3RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr17RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr8RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr7RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr2RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr6RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr9RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr18RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr21RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr4RequiresViolation]=== [2018-03-28 12:14:33,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1762991787, 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 [2018-03-28 12:14:33,960 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:14:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:14:33,991 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:14:34,023 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 [2018-03-28 12:14:34,023 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:34,036 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:34,037 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-03-28 12:14:34,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-03-28 12:14:34,079 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:34,105 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:14:34,105 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:21 [2018-03-28 12:14:34,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:34,182 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:14:34,581 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 15 treesize of output 19 [2018-03-28 12:14:34,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-03-28 12:14:34,597 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:34,618 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:34,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:34,620 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:5 [2018-03-28 12:14:34,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:34,714 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:14:34,714 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 12 [2018-03-28 12:14:34,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-03-28 12:14:34,715 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-03-28 12:14:34,716 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=120, Unknown=1, NotChecked=0, Total=156 [2018-03-28 12:14:34,716 INFO L87 Difference]: Start difference. First operand 109 states and 116 transitions. Second operand 13 states. [2018-03-28 12:14:35,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:14:35,290 INFO L93 Difference]: Finished difference Result 231 states and 254 transitions. [2018-03-28 12:14:35,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-03-28 12:14:35,291 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2018-03-28 12:14:35,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:14:35,293 INFO L225 Difference]: With dead ends: 231 [2018-03-28 12:14:35,294 INFO L226 Difference]: Without dead ends: 157 [2018-03-28 12:14:35,295 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=100, Invalid=241, Unknown=1, NotChecked=0, Total=342 [2018-03-28 12:14:35,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-03-28 12:14:35,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 137. [2018-03-28 12:14:35,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-03-28 12:14:35,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 152 transitions. [2018-03-28 12:14:35,309 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 152 transitions. Word has length 28 [2018-03-28 12:14:35,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:14:35,309 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 152 transitions. [2018-03-28 12:14:35,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-03-28 12:14:35,310 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 152 transitions. [2018-03-28 12:14:35,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-03-28 12:14:35,310 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:14:35,311 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] [2018-03-28 12:14:35,311 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr1RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr11RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr20RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr16RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr15RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr12RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr10RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr14RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr0RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr19RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr5RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr13RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr3RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr17RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr8RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr7RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr2RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr6RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr9RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr18RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr21RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr4RequiresViolation]=== [2018-03-28 12:14:35,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1181829454, 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 [2018-03-28 12:14:35,323 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:14:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:14:35,343 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:14:35,347 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 [2018-03-28 12:14:35,347 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:35,348 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:35,348 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:14:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:35,354 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:14:35,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:35,382 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:14:35,382 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:14:35,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:14:35,382 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:14:35,382 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:14:35,383 INFO L87 Difference]: Start difference. First operand 137 states and 152 transitions. Second operand 4 states. [2018-03-28 12:14:35,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:14:35,433 INFO L93 Difference]: Finished difference Result 137 states and 152 transitions. [2018-03-28 12:14:35,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:14:35,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-03-28 12:14:35,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:14:35,435 INFO L225 Difference]: With dead ends: 137 [2018-03-28 12:14:35,435 INFO L226 Difference]: Without dead ends: 135 [2018-03-28 12:14:35,436 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:14:35,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-03-28 12:14:35,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-03-28 12:14:35,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-03-28 12:14:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 150 transitions. [2018-03-28 12:14:35,445 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 150 transitions. Word has length 29 [2018-03-28 12:14:35,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:14:35,445 INFO L459 AbstractCegarLoop]: Abstraction has 135 states and 150 transitions. [2018-03-28 12:14:35,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:14:35,445 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 150 transitions. [2018-03-28 12:14:35,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-03-28 12:14:35,446 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:14:35,446 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] [2018-03-28 12:14:35,446 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr1RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr11RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr20RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr16RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr15RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr12RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr10RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr14RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr0RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr19RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr5RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr13RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr3RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr17RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr8RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr7RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr2RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr6RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr9RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr18RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr21RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr4RequiresViolation]=== [2018-03-28 12:14:35,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1181829453, 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 [2018-03-28 12:14:35,452 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:14:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:14:35,471 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:14:35,484 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 [2018-03-28 12:14:35,484 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:35,489 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. [2018-03-28 12:14:35,489 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-03-28 12:14:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:35,529 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:14:35,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:35,593 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:14:35,594 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2018-03-28 12:14:35,594 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-03-28 12:14:35,594 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-03-28 12:14:35,594 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-03-28 12:14:35,594 INFO L87 Difference]: Start difference. First operand 135 states and 150 transitions. Second operand 11 states. [2018-03-28 12:14:35,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:14:35,899 INFO L93 Difference]: Finished difference Result 183 states and 202 transitions. [2018-03-28 12:14:35,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-03-28 12:14:35,900 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2018-03-28 12:14:35,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:14:35,901 INFO L225 Difference]: With dead ends: 183 [2018-03-28 12:14:35,901 INFO L226 Difference]: Without dead ends: 181 [2018-03-28 12:14:35,901 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2018-03-28 12:14:35,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-03-28 12:14:35,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 163. [2018-03-28 12:14:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-03-28 12:14:35,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 187 transitions. [2018-03-28 12:14:35,918 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 187 transitions. Word has length 29 [2018-03-28 12:14:35,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:14:35,918 INFO L459 AbstractCegarLoop]: Abstraction has 163 states and 187 transitions. [2018-03-28 12:14:35,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-03-28 12:14:35,918 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 187 transitions. [2018-03-28 12:14:35,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-03-28 12:14:35,919 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:14:35,919 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:14:35,920 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr1RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr11RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr20RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr16RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr15RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr12RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr10RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr14RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr0RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr19RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr5RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr13RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr3RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr17RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr8RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr7RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr2RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr6RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr9RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr18RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr21RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr4RequiresViolation]=== [2018-03-28 12:14:35,920 INFO L82 PathProgramCache]: Analyzing trace with hash -2051062874, 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 [2018-03-28 12:14:35,929 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:14:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:14:35,949 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:14:35,968 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 [2018-03-28 12:14:35,969 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:36,024 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 [2018-03-28 12:14:36,025 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:36,045 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:36,045 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:18, output treesize:16 [2018-03-28 12:14:36,087 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:14:36,088 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:14:36,089 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 [2018-03-28 12:14:36,089 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:36,098 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 19 [2018-03-28 12:14:36,098 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:36,112 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:36,113 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:22 [2018-03-28 12:14:36,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:36,214 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:14:36,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:36,518 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:14:36,518 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2018-03-28 12:14:36,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-03-28 12:14:36,519 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-03-28 12:14:36,519 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2018-03-28 12:14:36,519 INFO L87 Difference]: Start difference. First operand 163 states and 187 transitions. Second operand 17 states. [2018-03-28 12:14:37,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:14:37,480 INFO L93 Difference]: Finished difference Result 264 states and 304 transitions. [2018-03-28 12:14:37,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-03-28 12:14:37,481 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 35 [2018-03-28 12:14:37,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:14:37,482 INFO L225 Difference]: With dead ends: 264 [2018-03-28 12:14:37,482 INFO L226 Difference]: Without dead ends: 261 [2018-03-28 12:14:37,483 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=276, Invalid=594, Unknown=0, NotChecked=0, Total=870 [2018-03-28 12:14:37,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-03-28 12:14:37,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 165. [2018-03-28 12:14:37,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-03-28 12:14:37,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 190 transitions. [2018-03-28 12:14:37,495 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 190 transitions. Word has length 35 [2018-03-28 12:14:37,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:14:37,496 INFO L459 AbstractCegarLoop]: Abstraction has 165 states and 190 transitions. [2018-03-28 12:14:37,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-03-28 12:14:37,496 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 190 transitions. [2018-03-28 12:14:37,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-03-28 12:14:37,497 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:14:37,497 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:14:37,497 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr1RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr11RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr20RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr16RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr15RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr12RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr10RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr14RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr0RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr19RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr5RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr13RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr3RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr17RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr8RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr7RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr2RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr6RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr9RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr18RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr21RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr4RequiresViolation]=== [2018-03-28 12:14:37,497 INFO L82 PathProgramCache]: Analyzing trace with hash 841560344, 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 [2018-03-28 12:14:37,505 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:14:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:14:37,529 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:14:37,537 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 [2018-03-28 12:14:37,537 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:37,541 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:37,541 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-03-28 12:14:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:37,600 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:14:37,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:37,790 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:14:37,790 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2018-03-28 12:14:37,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-03-28 12:14:37,791 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-03-28 12:14:37,791 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-03-28 12:14:37,792 INFO L87 Difference]: Start difference. First operand 165 states and 190 transitions. Second operand 14 states. [2018-03-28 12:14:38,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:14:38,316 INFO L93 Difference]: Finished difference Result 247 states and 279 transitions. [2018-03-28 12:14:38,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-28 12:14:38,317 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 36 [2018-03-28 12:14:38,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:14:38,318 INFO L225 Difference]: With dead ends: 247 [2018-03-28 12:14:38,319 INFO L226 Difference]: Without dead ends: 245 [2018-03-28 12:14:38,320 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=181, Invalid=371, Unknown=0, NotChecked=0, Total=552 [2018-03-28 12:14:38,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-03-28 12:14:38,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 162. [2018-03-28 12:14:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-03-28 12:14:38,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 187 transitions. [2018-03-28 12:14:38,333 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 187 transitions. Word has length 36 [2018-03-28 12:14:38,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:14:38,333 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 187 transitions. [2018-03-28 12:14:38,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-03-28 12:14:38,334 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 187 transitions. [2018-03-28 12:14:38,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-03-28 12:14:38,335 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:14:38,335 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:14:38,335 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr1RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr11RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr20RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr16RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr15RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr12RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr10RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr14RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr0RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr19RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr5RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr13RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr3RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr17RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr8RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr7RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr2RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr6RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr9RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr18RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr21RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr4RequiresViolation]=== [2018-03-28 12:14:38,335 INFO L82 PathProgramCache]: Analyzing trace with hash 2125222750, 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 [2018-03-28 12:14:38,345 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:14:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:14:38,364 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:14:38,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:38,391 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:14:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:38,430 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:14:38,430 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2018-03-28 12:14:38,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-28 12:14:38,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-28 12:14:38,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:14:38,431 INFO L87 Difference]: Start difference. First operand 162 states and 187 transitions. Second operand 8 states. [2018-03-28 12:14:38,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:14:38,592 INFO L93 Difference]: Finished difference Result 368 states and 423 transitions. [2018-03-28 12:14:38,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-28 12:14:38,593 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2018-03-28 12:14:38,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:14:38,597 INFO L225 Difference]: With dead ends: 368 [2018-03-28 12:14:38,597 INFO L226 Difference]: Without dead ends: 244 [2018-03-28 12:14:38,598 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 71 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-03-28 12:14:38,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-03-28 12:14:38,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 172. [2018-03-28 12:14:38,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-03-28 12:14:38,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 198 transitions. [2018-03-28 12:14:38,609 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 198 transitions. Word has length 41 [2018-03-28 12:14:38,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:14:38,610 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 198 transitions. [2018-03-28 12:14:38,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-28 12:14:38,610 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 198 transitions. [2018-03-28 12:14:38,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-03-28 12:14:38,611 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:14:38,611 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:14:38,611 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr1RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr11RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr20RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr16RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr15RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr12RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr10RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr14RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr0RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr19RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr5RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr13RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr3RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr17RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr8RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr7RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr2RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr6RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr9RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr18RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr21RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr4RequiresViolation]=== [2018-03-28 12:14:38,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1796300355, now seen corresponding path program 2 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 [2018-03-28 12:14:38,617 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:14:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:14:38,639 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:14:38,646 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 [2018-03-28 12:14:38,646 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:38,649 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:38,649 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:14:38,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-03-28 12:14:38,673 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:38,676 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:38,676 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-03-28 12:14:38,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 16 [2018-03-28 12:14:38,694 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:38,697 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:38,697 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-03-28 12:14:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-03-28 12:14:38,736 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:14:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-03-28 12:14:38,817 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-03-28 12:14:38,817 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 15 [2018-03-28 12:14:38,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-03-28 12:14:38,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-03-28 12:14:38,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2018-03-28 12:14:38,818 INFO L87 Difference]: Start difference. First operand 172 states and 198 transitions. Second operand 16 states. [2018-03-28 12:14:38,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:14:38,978 INFO L93 Difference]: Finished difference Result 172 states and 198 transitions. [2018-03-28 12:14:38,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-28 12:14:38,978 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 48 [2018-03-28 12:14:38,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:14:38,979 INFO L225 Difference]: With dead ends: 172 [2018-03-28 12:14:38,980 INFO L226 Difference]: Without dead ends: 170 [2018-03-28 12:14:38,980 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 79 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2018-03-28 12:14:38,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-03-28 12:14:39,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2018-03-28 12:14:39,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-03-28 12:14:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 192 transitions. [2018-03-28 12:14:39,004 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 192 transitions. Word has length 48 [2018-03-28 12:14:39,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:14:39,005 INFO L459 AbstractCegarLoop]: Abstraction has 170 states and 192 transitions. [2018-03-28 12:14:39,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-03-28 12:14:39,005 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 192 transitions. [2018-03-28 12:14:39,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-03-28 12:14:39,006 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:14:39,006 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:14:39,006 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr1RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr11RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr20RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr16RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr15RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr12RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr10RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr14RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr0RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr19RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr5RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr13RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr3RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr17RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr8RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr7RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr2RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr6RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr9RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr18RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr21RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr4RequiresViolation]=== [2018-03-28 12:14:39,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1796300356, 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 [2018-03-28 12:14:39,024 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:14:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:14:39,049 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:14:39,052 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 [2018-03-28 12:14:39,052 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:39,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-28 12:14:39,058 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:39,064 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:39,064 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:18, output treesize:16 [2018-03-28 12:14:39,114 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:14:39,115 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:14:39,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 12:14:39,116 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:39,131 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 19 [2018-03-28 12:14:39,132 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:39,145 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. [2018-03-28 12:14:39,145 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:35 [2018-03-28 12:14:39,217 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:14:39,218 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:14:39,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 34 [2018-03-28 12:14:39,221 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:39,243 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:14:39,244 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:14:39,245 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:14:39,246 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-03-28 12:14:39,246 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:39,258 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:14:39,258 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:48, output treesize:40 [2018-03-28 12:14:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:39,544 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:14:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:40,168 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-03-28 12:14:40,169 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [15] total 27 [2018-03-28 12:14:40,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-03-28 12:14:40,169 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-03-28 12:14:40,169 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=639, Unknown=0, NotChecked=0, Total=756 [2018-03-28 12:14:40,169 INFO L87 Difference]: Start difference. First operand 170 states and 192 transitions. Second operand 28 states. [2018-03-28 12:14:41,101 WARN L148 SmtUtils]: Spent 854ms on a formula simplification that was a NOOP. DAG size: 56 [2018-03-28 12:14:42,314 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 62 DAG size of output 58 [2018-03-28 12:14:43,032 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 62 DAG size of output 58 [2018-03-28 12:14:44,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:14:44,160 INFO L93 Difference]: Finished difference Result 251 states and 282 transitions. [2018-03-28 12:14:44,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-03-28 12:14:44,161 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 48 [2018-03-28 12:14:44,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:14:44,162 INFO L225 Difference]: With dead ends: 251 [2018-03-28 12:14:44,162 INFO L226 Difference]: Without dead ends: 250 [2018-03-28 12:14:44,163 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=685, Invalid=2176, Unknown=1, NotChecked=0, Total=2862 [2018-03-28 12:14:44,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-03-28 12:14:44,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 173. [2018-03-28 12:14:44,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-03-28 12:14:44,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 194 transitions. [2018-03-28 12:14:44,179 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 194 transitions. Word has length 48 [2018-03-28 12:14:44,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:14:44,179 INFO L459 AbstractCegarLoop]: Abstraction has 173 states and 194 transitions. [2018-03-28 12:14:44,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-03-28 12:14:44,179 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 194 transitions. [2018-03-28 12:14:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-03-28 12:14:44,180 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:14:44,180 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:14:44,181 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr1RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr11RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr20RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr16RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr15RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr12RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr10RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr14RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr0RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr19RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr5RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr13RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr3RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr17RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr8RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr7RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr2RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr6RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr9RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr18RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr21RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr4RequiresViolation]=== [2018-03-28 12:14:44,181 INFO L82 PathProgramCache]: Analyzing trace with hash 67194568, 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 [2018-03-28 12:14:44,188 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:14:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:14:44,208 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:14:44,254 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:44,254 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:14:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:44,309 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:14:44,309 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2018-03-28 12:14:44,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:14:44,309 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:14:44,310 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-03-28 12:14:44,310 INFO L87 Difference]: Start difference. First operand 173 states and 194 transitions. Second operand 12 states. [2018-03-28 12:14:44,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:14:44,461 INFO L93 Difference]: Finished difference Result 267 states and 295 transitions. [2018-03-28 12:14:44,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-28 12:14:44,461 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 49 [2018-03-28 12:14:44,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:14:44,463 INFO L225 Difference]: With dead ends: 267 [2018-03-28 12:14:44,463 INFO L226 Difference]: Without dead ends: 240 [2018-03-28 12:14:44,463 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 83 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2018-03-28 12:14:44,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-03-28 12:14:44,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 188. [2018-03-28 12:14:44,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-03-28 12:14:44,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 210 transitions. [2018-03-28 12:14:44,476 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 210 transitions. Word has length 49 [2018-03-28 12:14:44,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:14:44,477 INFO L459 AbstractCegarLoop]: Abstraction has 188 states and 210 transitions. [2018-03-28 12:14:44,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:14:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 210 transitions. [2018-03-28 12:14:44,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-03-28 12:14:44,477 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:14:44,478 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:14:44,478 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr1RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr11RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr20RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr16RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr15RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr12RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr10RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr14RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr0RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr19RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr5RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr13RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr3RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr17RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr8RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr7RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr2RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr6RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr9RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr18RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr21RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr4RequiresViolation]=== [2018-03-28 12:14:44,478 INFO L82 PathProgramCache]: Analyzing trace with hash -149263781, 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 [2018-03-28 12:14:44,489 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:14:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:14:44,509 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:14:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-03-28 12:14:44,560 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:14:44,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2018-03-28 12:14:44,571 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:44,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-28 12:14:44,578 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:44,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:14:44,582 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:17 [2018-03-28 12:14:44,658 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-03-28 12:14:44,679 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:14:44,680 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 11 [2018-03-28 12:14:44,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:14:44,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:14:44,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-03-28 12:14:44,681 INFO L87 Difference]: Start difference. First operand 188 states and 210 transitions. Second operand 12 states. [2018-03-28 12:14:45,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:14:45,004 INFO L93 Difference]: Finished difference Result 380 states and 427 transitions. [2018-03-28 12:14:45,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-28 12:14:45,004 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 49 [2018-03-28 12:14:45,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:14:45,005 INFO L225 Difference]: With dead ends: 380 [2018-03-28 12:14:45,006 INFO L226 Difference]: Without dead ends: 256 [2018-03-28 12:14:45,006 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 84 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2018-03-28 12:14:45,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-03-28 12:14:45,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 192. [2018-03-28 12:14:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-03-28 12:14:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 214 transitions. [2018-03-28 12:14:45,023 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 214 transitions. Word has length 49 [2018-03-28 12:14:45,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:14:45,023 INFO L459 AbstractCegarLoop]: Abstraction has 192 states and 214 transitions. [2018-03-28 12:14:45,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:14:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 214 transitions. [2018-03-28 12:14:45,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-03-28 12:14:45,024 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:14:45,024 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:14:45,024 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr1RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr11RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr20RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr16RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr15RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr12RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr10RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr14RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr0RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr19RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr5RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr13RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr3RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr17RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr8RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr7RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr2RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr6RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr9RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr18RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr21RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr4RequiresViolation]=== [2018-03-28 12:14:45,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1259878111, 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 [2018-03-28 12:14:45,030 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:14:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:14:45,053 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:14:45,145 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:45,146 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:14:45,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-03-28 12:14:45,178 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-03-28 12:14:45,184 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,186 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:14:45,186 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:11 [2018-03-28 12:14:45,213 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:45,235 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:14:45,235 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2018-03-28 12:14:45,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-03-28 12:14:45,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-03-28 12:14:45,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-03-28 12:14:45,236 INFO L87 Difference]: Start difference. First operand 192 states and 214 transitions. Second operand 13 states. [2018-03-28 12:14:45,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:14:45,590 INFO L93 Difference]: Finished difference Result 355 states and 395 transitions. [2018-03-28 12:14:45,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-03-28 12:14:45,590 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2018-03-28 12:14:45,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:14:45,592 INFO L225 Difference]: With dead ends: 355 [2018-03-28 12:14:45,592 INFO L226 Difference]: Without dead ends: 353 [2018-03-28 12:14:45,592 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 92 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=233, Invalid=523, Unknown=0, NotChecked=0, Total=756 [2018-03-28 12:14:45,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-03-28 12:14:45,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 222. [2018-03-28 12:14:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-03-28 12:14:45,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 251 transitions. [2018-03-28 12:14:45,613 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 251 transitions. Word has length 53 [2018-03-28 12:14:45,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:14:45,613 INFO L459 AbstractCegarLoop]: Abstraction has 222 states and 251 transitions. [2018-03-28 12:14:45,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-03-28 12:14:45,613 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 251 transitions. [2018-03-28 12:14:45,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-03-28 12:14:45,614 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:14:45,614 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:14:45,614 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr1RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr11RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr20RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr16RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr15RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr12RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr10RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr14RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr0RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr19RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr5RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr13RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr3RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr17RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr8RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr7RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr2RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr6RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr9RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr18RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr21RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr4RequiresViolation]=== [2018-03-28 12:14:45,614 INFO L82 PathProgramCache]: Analyzing trace with hash -40001210, 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 [2018-03-28 12:14:45,624 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:14:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:14:45,652 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:14:45,672 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 [2018-03-28 12:14:45,673 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,676 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,676 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:14:45,687 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:14:45,687 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:14:45,688 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 [2018-03-28 12:14:45,688 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,690 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,690 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-03-28 12:14:45,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-03-28 12:14:45,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-03-28 12:14:45,714 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,715 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,725 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,726 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2018-03-28 12:14:45,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-03-28 12:14:45,745 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 [2018-03-28 12:14:45,745 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,749 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,754 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. [2018-03-28 12:14:45,755 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:22 [2018-03-28 12:14:45,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-03-28 12:14:45,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-03-28 12:14:45,796 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,801 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 [2018-03-28 12:14:45,801 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,803 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,806 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,806 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:29, output treesize:7 [2018-03-28 12:14:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:45,820 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:14:45,866 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 43 treesize of output 33 [2018-03-28 12:14:45,881 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 13 treesize of output 12 [2018-03-28 12:14:45,881 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-03-28 12:14:45,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-03-28 12:14:45,898 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,901 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:14:45,902 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-03-28 12:14:45,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2018-03-28 12:14:45,908 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-03-28 12:14:45,911 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:14:45,923 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-03-28 12:14:45,942 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 4 xjuncts. [2018-03-28 12:14:45,942 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:43, output treesize:34 [2018-03-28 12:14:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:14:46,070 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:14:46,070 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-03-28 12:14:46,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-03-28 12:14:46,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-03-28 12:14:46,071 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2018-03-28 12:14:46,071 INFO L87 Difference]: Start difference. First operand 222 states and 251 transitions. Second operand 21 states. [2018-03-28 12:14:46,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:14:46,813 INFO L93 Difference]: Finished difference Result 412 states and 469 transitions. [2018-03-28 12:14:46,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-03-28 12:14:46,813 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 61 [2018-03-28 12:14:46,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:14:46,815 INFO L225 Difference]: With dead ends: 412 [2018-03-28 12:14:46,815 INFO L226 Difference]: Without dead ends: 379 [2018-03-28 12:14:46,816 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=381, Invalid=951, Unknown=0, NotChecked=0, Total=1332 [2018-03-28 12:14:46,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-03-28 12:14:46,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 295. [2018-03-28 12:14:46,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-03-28 12:14:46,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 347 transitions. [2018-03-28 12:14:46,849 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 347 transitions. Word has length 61 [2018-03-28 12:14:46,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:14:46,850 INFO L459 AbstractCegarLoop]: Abstraction has 295 states and 347 transitions. [2018-03-28 12:14:46,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-03-28 12:14:46,850 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 347 transitions. [2018-03-28 12:14:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-03-28 12:14:46,851 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:14:46,851 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:14:46,851 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr1RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr11RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr20RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr16RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr15RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr12RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr10RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr14RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr0RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr19RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr5RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr13RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr3RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr17RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr8RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr7RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr2RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr6RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr9RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr18RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr21RequiresViolation, __U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lisErr4RequiresViolation]=== [2018-03-28 12:14:46,851 INFO L82 PathProgramCache]: Analyzing trace with hash 273809138, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:14:46,859 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:14:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:14:46,890 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:14:46,943 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc2.base| Int)) (let ((.cse0 (store |c_old(#valid)| |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc2.base| 1))) (and (= 0 (select |c_old(#valid)| |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc2.base|)) (= (store (store .cse0 |c___U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc3.base| 1) |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc2.base| 0) |c_#valid|) (= (select .cse0 |c___U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc3.base|) 0)))) is different from true [2018-03-28 12:14:46,948 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc2.base| Int) (|__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc3.base| Int)) (let ((.cse0 (store |c_old(#valid)| |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc2.base| 1))) (and (= 0 (select |c_old(#valid)| |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc2.base|)) (= |c_#valid| (store (store (store .cse0 |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc3.base| 1) |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc2.base| 0) |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc3.base| 0)) (= (select .cse0 |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc3.base|) 0)))) is different from true [2018-03-28 12:14:46,972 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc17.base| Int) (|__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc2.base| Int) (|__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc3.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc17.base| 1))) (let ((.cse1 (store .cse0 |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc2.base| 1))) (and (= 0 (select .cse0 |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc2.base|)) (= (select .cse1 |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc3.base|) 0) (= |c_#valid| (store (store (store (store .cse1 |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc3.base| 1) |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc2.base| 0) |__U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_#t~malloc3.base| 0) |main_#t~malloc17.base| 0)) (= (select |c_old(#valid)| |main_#t~malloc17.base|) 0))))) is different from true [2018-03-28 12:14:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-03-28 12:14:46,985 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:14:47,025 WARN L1011 $PredicateComparison]: unable to prove that (forall ((v___U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_~prev~0.base_32 Int) (v___U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_~best~0.base_45 Int)) (let ((.cse0 (store |c_#valid| v___U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_~best~0.base_45 1))) (or (not (= (select |c_#valid| v___U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_~best~0.base_45) 0)) (= (store (store (store (store .cse0 v___U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_~prev~0.base_32 1) v___U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_~best~0.base_45 0) v___U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_~prev~0.base_32 0) |c_main_#t~malloc17.base| 0) |c_old(#valid)|) (not (= (select .cse0 v___U_MULTI_flis_alloca_true_valid_memsafety_true_termination_i__lis_~prev~0.base_32) 0))))) is different from false [2018-03-28 12:14:47,032 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_2| term size 27 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) [2018-03-28 12:14:47,036 INFO L168 Benchmark]: Toolchain (without parser) took 14620.29 ms. Allocated memory was 305.7 MB in the beginning and 609.7 MB in the end (delta: 304.1 MB). Free memory was 242.8 MB in the beginning and 368.0 MB in the end (delta: -125.2 MB). Peak memory consumption was 178.9 MB. Max. memory is 5.3 GB. [2018-03-28 12:14:47,037 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 305.7 MB. Free memory is still 268.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 12:14:47,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.41 ms. Allocated memory is still 305.7 MB. Free memory was 242.8 MB in the beginning and 218.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-03-28 12:14:47,038 INFO L168 Benchmark]: Boogie Preprocessor took 63.00 ms. Allocated memory is still 305.7 MB. Free memory was 217.8 MB in the beginning and 215.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-28 12:14:47,038 INFO L168 Benchmark]: RCFGBuilder took 618.16 ms. Allocated memory was 305.7 MB in the beginning and 469.8 MB in the end (delta: 164.1 MB). Free memory was 215.8 MB in the beginning and 396.9 MB in the end (delta: -181.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. [2018-03-28 12:14:47,039 INFO L168 Benchmark]: TraceAbstraction took 13595.65 ms. Allocated memory was 469.8 MB in the beginning and 609.7 MB in the end (delta: 140.0 MB). Free memory was 396.9 MB in the beginning and 368.0 MB in the end (delta: 28.9 MB). Peak memory consumption was 168.9 MB. Max. memory is 5.3 GB. [2018-03-28 12:14:47,041 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 305.7 MB. Free memory is still 268.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 336.41 ms. Allocated memory is still 305.7 MB. Free memory was 242.8 MB in the beginning and 218.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 63.00 ms. Allocated memory is still 305.7 MB. Free memory was 217.8 MB in the beginning and 215.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 618.16 ms. Allocated memory was 305.7 MB in the beginning and 469.8 MB in the end (delta: 164.1 MB). Free memory was 215.8 MB in the beginning and 396.9 MB in the end (delta: -181.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 13595.65 ms. Allocated memory was 469.8 MB in the beginning and 609.7 MB in the end (delta: 140.0 MB). Free memory was 396.9 MB in the beginning and 368.0 MB in the end (delta: 28.9 MB). Peak memory consumption was 168.9 MB. 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_2| term size 27 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_2| term size 27: 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/lis-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-28_12-14-47-050.csv Received shutdown request...