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/memsafety-ext2/length_test03_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 21:07:24,685 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 21:07:24,686 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 21:07:24,700 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-29 21:07:24,700 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-29 21:07:24,701 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-29 21:07:24,702 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-29 21:07:24,703 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-29 21:07:24,706 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-29 21:07:24,706 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-29 21:07:24,707 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-29 21:07:24,708 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-29 21:07:24,709 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-29 21:07:24,710 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-29 21:07:24,711 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-29 21:07:24,713 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-29 21:07:24,715 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-29 21:07:24,717 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-29 21:07:24,718 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-29 21:07:24,719 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-29 21:07:24,722 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-29 21:07:24,722 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-29 21:07:24,722 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-29 21:07:24,723 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-29 21:07:24,724 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-29 21:07:24,725 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-29 21:07:24,726 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-29 21:07:24,726 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-29 21:07:24,727 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-29 21:07:24,727 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-29 21:07:24,728 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-29 21:07:24,728 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-29 21:07:24,751 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 21:07:24,752 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 21:07:24,752 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 21:07:24,752 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 21:07:24,753 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 21:07:24,753 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 21:07:24,753 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 21:07:24,754 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 21:07:24,754 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 21:07:24,754 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 21:07:24,754 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 21:07:24,754 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 21:07:24,755 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 21:07:24,755 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 21:07:24,755 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 21:07:24,755 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 21:07:24,755 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 21:07:24,756 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 21:07:24,756 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 21:07:24,756 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 21:07:24,756 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 21:07:24,756 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 21:07:24,756 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 21:07:24,757 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 21:07:24,757 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 21:07:24,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 21:07:24,757 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 21:07:24,757 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 21:07:24,757 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 21:07:24,758 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 21:07:24,758 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 21:07:24,758 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:24,758 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 21:07:24,759 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 21:07:24,759 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 21:07:24,759 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 21:07:24,759 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 21:07:24,792 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 21:07:24,802 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 21:07:24,805 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 21:07:24,806 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 21:07:24,807 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 21:07:24,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,095 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf30ac1953 [2018-03-29 21:07:25,261 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 21:07:25,262 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 21:07:25,262 INFO L168 CDTParser]: Scanning length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,271 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 21:07:25,272 INFO L215 ultiparseSymbolTable]: [2018-03-29 21:07:25,272 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 21:07:25,272 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___false_valid_memtrack_i____bswap_32 ('__bswap_32') in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,272 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___false_valid_memtrack_i____bswap_64 ('__bswap_64') in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,272 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___false_valid_memtrack_i__append ('append') in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,272 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,273 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 21:07:25,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__gid_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__off_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____blkcnt64_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__ldiv_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____nlink_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_short in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____int8_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_int64_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____mode_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____timer_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____uid_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__ssize_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____sig_atomic_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__key_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____ssize_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__nlink_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__fsfilcnt_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__timer_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__mode_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____fsword_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____u_short in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__int32_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____uint64_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pid_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____clockid_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_int8_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____suseconds_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__clockid_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____pthread_slist_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__quad_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__caddr_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____fd_mask in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____id_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_int in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_int16_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____syscall_ulong_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_cond_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____int32_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____uint32_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__div_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__blksize_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_spinlock_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__fsblkcnt_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__size_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____pid_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_once_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____u_quad_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____intptr_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_mutexattr_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____u_char in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____off64_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____quad_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____fsblkcnt64_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____socklen_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__lldiv_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__uid_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__int16_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_barrier_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_attr_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__wchar_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____rlim_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____int16_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_rwlockattr_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_char in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__daddr_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__blkcnt_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__sigset_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____uint16_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____u_long in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____gid_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____ino_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____loff_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____ino64_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____sigset_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_int32_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____fsid_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____dev_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__ulong in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_long in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__suseconds_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__fd_mask in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__clock_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____caddr_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____off_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__fd_set in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__dev_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____rlim64_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____key_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__loff_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__uint in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____uint8_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__time_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_rwlock_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____u_int in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__fsid_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____qaddr_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____blkcnt_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____clock_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____daddr_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__id_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__int64_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____blksize_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_condattr_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__ushort in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____syscall_slong_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__u_quad_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____fsfilcnt_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____time_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__int8_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_key_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____fsblkcnt_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__register_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____int64_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_barrierattr_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____fsfilcnt64_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__pthread_mutex_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i__ino_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___false_valid_memtrack_i____useconds_t in length_test03_false-valid-memtrack.i [2018-03-29 21:07:25,305 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf30ac1953 [2018-03-29 21:07:25,310 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 21:07:25,312 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 21:07:25,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 21:07:25,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 21:07:25,318 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 21:07:25,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:07:25" (1/1) ... [2018-03-29 21:07:25,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@499dbb19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:07:25, skipping insertion in model container [2018-03-29 21:07:25,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:07:25" (1/1) ... [2018-03-29 21:07:25,335 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:07:25,366 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:07:25,543 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:07:25,604 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:07:25,611 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 119 non ball SCCs. Number of states in SCCs 119. [2018-03-29 21:07:25,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:07:25 WrapperNode [2018-03-29 21:07:25,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 21:07:25,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 21:07:25,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 21:07:25,661 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 21:07:25,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:07:25" (1/1) ... [2018-03-29 21:07:25,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:07:25" (1/1) ... [2018-03-29 21:07:25,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:07:25" (1/1) ... [2018-03-29 21:07:25,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:07:25" (1/1) ... [2018-03-29 21:07:25,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:07:25" (1/1) ... [2018-03-29 21:07:25,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:07:25" (1/1) ... [2018-03-29 21:07:25,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:07:25" (1/1) ... [2018-03-29 21:07:25,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 21:07:25,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 21:07:25,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 21:07:25,723 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 21:07:25,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:07:25" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 21:07:25,852 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 21:07:25,852 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 21:07:25,852 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___false_valid_memtrack_i____bswap_32 [2018-03-29 21:07:25,852 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___false_valid_memtrack_i____bswap_64 [2018-03-29 21:07:25,852 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___false_valid_memtrack_i__append [2018-03-29 21:07:25,852 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 21:07:25,853 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-29 21:07:25,853 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-29 21:07:25,853 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-29 21:07:25,853 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-29 21:07:25,853 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-29 21:07:25,853 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-29 21:07:25,854 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-29 21:07:25,854 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-29 21:07:25,854 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-29 21:07:25,854 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-29 21:07:25,854 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-29 21:07:25,854 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-29 21:07:25,855 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-29 21:07:25,855 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-29 21:07:25,855 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-29 21:07:25,855 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-29 21:07:25,855 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-29 21:07:25,855 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___false_valid_memtrack_i____bswap_32 [2018-03-29 21:07:25,856 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___false_valid_memtrack_i____bswap_64 [2018-03-29 21:07:25,856 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-29 21:07:25,856 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-29 21:07:25,856 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-29 21:07:25,856 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-29 21:07:25,856 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-29 21:07:25,857 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-29 21:07:25,857 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-29 21:07:25,857 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-29 21:07:25,857 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-29 21:07:25,857 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-29 21:07:25,857 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-29 21:07:25,857 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-29 21:07:25,858 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-29 21:07:25,858 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-29 21:07:25,858 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-29 21:07:25,858 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-29 21:07:25,858 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-29 21:07:25,858 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-29 21:07:25,858 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-29 21:07:25,859 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-29 21:07:25,859 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-29 21:07:25,859 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-29 21:07:25,859 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-29 21:07:25,859 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-29 21:07:25,859 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-29 21:07:25,859 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-29 21:07:25,859 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-29 21:07:25,860 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-29 21:07:25,860 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-29 21:07:25,860 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-29 21:07:25,860 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-29 21:07:25,860 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-29 21:07:25,860 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-29 21:07:25,860 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-29 21:07:25,861 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 21:07:25,861 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-29 21:07:25,861 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-29 21:07:25,861 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 21:07:25,861 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-29 21:07:25,861 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-29 21:07:25,861 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-29 21:07:25,861 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-29 21:07:25,862 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-03-29 21:07:25,862 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-29 21:07:25,862 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-29 21:07:25,862 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-03-29 21:07:25,862 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-29 21:07:25,862 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-29 21:07:25,862 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-03-29 21:07:25,862 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-29 21:07:25,863 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-29 21:07:25,863 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-29 21:07:25,863 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-29 21:07:25,863 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-29 21:07:25,863 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-29 21:07:25,863 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-29 21:07:25,863 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-29 21:07:25,864 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-29 21:07:25,864 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-29 21:07:25,864 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-29 21:07:25,864 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-29 21:07:25,864 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-29 21:07:25,864 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-29 21:07:25,864 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-29 21:07:25,864 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-29 21:07:25,865 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-29 21:07:25,865 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-29 21:07:25,865 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-29 21:07:25,865 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-29 21:07:25,865 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-29 21:07:25,865 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-29 21:07:25,865 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-29 21:07:25,866 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-29 21:07:25,866 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-29 21:07:25,866 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-29 21:07:25,866 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-29 21:07:25,866 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-29 21:07:25,866 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-29 21:07:25,866 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-29 21:07:25,866 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-29 21:07:25,867 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-29 21:07:25,867 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-29 21:07:25,867 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-29 21:07:25,867 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-29 21:07:25,867 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-29 21:07:25,867 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-29 21:07:25,867 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-29 21:07:25,867 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-03-29 21:07:25,868 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-29 21:07:25,868 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___false_valid_memtrack_i__append [2018-03-29 21:07:25,868 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 21:07:25,868 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-29 21:07:25,868 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-29 21:07:25,868 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-29 21:07:25,868 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 21:07:25,868 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 21:07:25,869 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 21:07:25,869 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 21:07:25,869 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-29 21:07:25,869 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-29 21:07:26,462 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 21:07:26,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:07:26 BoogieIcfgContainer [2018-03-29 21:07:26,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 21:07:26,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 21:07:26,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 21:07:26,467 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 21:07:26,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 09:07:25" (1/3) ... [2018-03-29 21:07:26,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1e5f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:07:26, skipping insertion in model container [2018-03-29 21:07:26,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:07:25" (2/3) ... [2018-03-29 21:07:26,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1e5f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:07:26, skipping insertion in model container [2018-03-29 21:07:26,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:07:26" (3/3) ... [2018-03-29 21:07:26,470 INFO L107 eAbstractionObserver]: Analyzing ICFG length_test03_false-valid-memtrack.i [2018-03-29 21:07:26,477 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 21:07:26,484 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-03-29 21:07:26,532 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 21:07:26,532 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 21:07:26,532 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 21:07:26,532 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 21:07:26,532 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 21:07:26,533 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 21:07:26,533 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 21:07:26,533 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 21:07:26,533 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 21:07:26,533 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 21:07:26,549 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2018-03-29 21:07:26,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-29 21:07:26,553 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:26,554 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:26,554 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:07:26,558 INFO L82 PathProgramCache]: Analyzing trace with hash -203092121, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:26,569 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:26,601 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:26,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:07:26,644 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:26,649 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:26,650 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:07:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:26,659 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:26,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:26,688 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:26,688 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:07:26,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 21:07:26,699 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 21:07:26,700 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:07:26,701 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2018-03-29 21:07:27,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:27,102 INFO L93 Difference]: Finished difference Result 354 states and 377 transitions. [2018-03-29 21:07:27,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:07:27,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-03-29 21:07:27,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:27,116 INFO L225 Difference]: With dead ends: 354 [2018-03-29 21:07:27,116 INFO L226 Difference]: Without dead ends: 212 [2018-03-29 21:07:27,119 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:07:27,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-03-29 21:07:27,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 164. [2018-03-29 21:07:27,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-03-29 21:07:27,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 170 transitions. [2018-03-29 21:07:27,173 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 170 transitions. Word has length 9 [2018-03-29 21:07:27,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:27,173 INFO L459 AbstractCegarLoop]: Abstraction has 164 states and 170 transitions. [2018-03-29 21:07:27,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 21:07:27,174 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 170 transitions. [2018-03-29 21:07:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-29 21:07:27,174 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:27,174 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:27,174 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:07:27,174 INFO L82 PathProgramCache]: Analyzing trace with hash -203092120, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:27,180 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:27,192 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:27,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:07:27,201 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,205 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,206 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:07:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:27,216 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:27,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:27,261 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:27,261 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-29 21:07:27,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:07:27,263 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:07:27,263 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:07:27,263 INFO L87 Difference]: Start difference. First operand 164 states and 170 transitions. Second operand 6 states. [2018-03-29 21:07:27,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:27,594 INFO L93 Difference]: Finished difference Result 169 states and 176 transitions. [2018-03-29 21:07:27,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:07:27,596 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-03-29 21:07:27,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:27,598 INFO L225 Difference]: With dead ends: 169 [2018-03-29 21:07:27,598 INFO L226 Difference]: Without dead ends: 167 [2018-03-29 21:07:27,599 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:07:27,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-03-29 21:07:27,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 162. [2018-03-29 21:07:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-03-29 21:07:27,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 168 transitions. [2018-03-29 21:07:27,612 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 168 transitions. Word has length 9 [2018-03-29 21:07:27,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:27,613 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 168 transitions. [2018-03-29 21:07:27,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:07:27,614 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 168 transitions. [2018-03-29 21:07:27,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-03-29 21:07:27,614 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:27,614 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:27,615 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:07:27,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1384557355, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:27,624 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:27,642 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:27,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:07:27,651 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,659 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,659 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:07:27,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:27,681 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:27,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:27,711 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:27,712 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:07:27,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 21:07:27,712 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 21:07:27,712 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:07:27,712 INFO L87 Difference]: Start difference. First operand 162 states and 168 transitions. Second operand 4 states. [2018-03-29 21:07:27,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:27,843 INFO L93 Difference]: Finished difference Result 187 states and 195 transitions. [2018-03-29 21:07:27,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:07:27,843 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-03-29 21:07:27,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:27,844 INFO L225 Difference]: With dead ends: 187 [2018-03-29 21:07:27,844 INFO L226 Difference]: Without dead ends: 184 [2018-03-29 21:07:27,845 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:07:27,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-03-29 21:07:27,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 167. [2018-03-29 21:07:27,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-03-29 21:07:27,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 175 transitions. [2018-03-29 21:07:27,855 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 175 transitions. Word has length 13 [2018-03-29 21:07:27,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:27,856 INFO L459 AbstractCegarLoop]: Abstraction has 167 states and 175 transitions. [2018-03-29 21:07:27,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 21:07:27,856 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 175 transitions. [2018-03-29 21:07:27,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-03-29 21:07:27,857 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:27,857 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:27,857 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:07:27,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1384557356, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:27,865 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:27,879 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:27,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:07:27,884 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,895 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:07:27,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:27,920 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:27,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:27,984 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:27,985 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-29 21:07:27,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:07:27,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:07:27,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:07:27,986 INFO L87 Difference]: Start difference. First operand 167 states and 175 transitions. Second operand 6 states. [2018-03-29 21:07:28,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:28,143 INFO L93 Difference]: Finished difference Result 172 states and 181 transitions. [2018-03-29 21:07:28,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 21:07:28,144 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-03-29 21:07:28,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:28,145 INFO L225 Difference]: With dead ends: 172 [2018-03-29 21:07:28,145 INFO L226 Difference]: Without dead ends: 170 [2018-03-29 21:07:28,146 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:07:28,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-03-29 21:07:28,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 165. [2018-03-29 21:07:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-03-29 21:07:28,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 173 transitions. [2018-03-29 21:07:28,157 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 173 transitions. Word has length 13 [2018-03-29 21:07:28,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:28,157 INFO L459 AbstractCegarLoop]: Abstraction has 165 states and 173 transitions. [2018-03-29 21:07:28,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:07:28,158 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 173 transitions. [2018-03-29 21:07:28,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-29 21:07:28,158 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:28,158 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:28,159 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:07:28,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1217890101, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:28,171 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:28,199 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:28,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:07:28,204 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:28,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:28,207 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:07:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:28,224 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:28,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:28,251 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:28,251 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:07:28,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 21:07:28,251 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 21:07:28,252 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:07:28,252 INFO L87 Difference]: Start difference. First operand 165 states and 173 transitions. Second operand 4 states. [2018-03-29 21:07:28,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:28,361 INFO L93 Difference]: Finished difference Result 165 states and 173 transitions. [2018-03-29 21:07:28,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 21:07:28,361 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-03-29 21:07:28,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:28,362 INFO L225 Difference]: With dead ends: 165 [2018-03-29 21:07:28,362 INFO L226 Difference]: Without dead ends: 160 [2018-03-29 21:07:28,363 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:07:28,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-03-29 21:07:28,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-03-29 21:07:28,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-03-29 21:07:28,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 168 transitions. [2018-03-29 21:07:28,372 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 168 transitions. Word has length 25 [2018-03-29 21:07:28,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:28,373 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 168 transitions. [2018-03-29 21:07:28,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 21:07:28,373 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 168 transitions. [2018-03-29 21:07:28,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-29 21:07:28,374 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:28,374 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:28,374 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:07:28,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1217890102, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:28,381 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:28,405 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:28,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:07:28,411 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:28,416 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:28,416 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:07:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:28,425 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:28,467 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:28,467 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-29 21:07:28,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:07:28,468 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:07:28,468 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:07:28,468 INFO L87 Difference]: Start difference. First operand 160 states and 168 transitions. Second operand 6 states. [2018-03-29 21:07:28,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:28,563 INFO L93 Difference]: Finished difference Result 160 states and 168 transitions. [2018-03-29 21:07:28,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 21:07:28,563 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-03-29 21:07:28,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:28,565 INFO L225 Difference]: With dead ends: 160 [2018-03-29 21:07:28,565 INFO L226 Difference]: Without dead ends: 155 [2018-03-29 21:07:28,565 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:07:28,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-03-29 21:07:28,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-03-29 21:07:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-03-29 21:07:28,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 163 transitions. [2018-03-29 21:07:28,572 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 163 transitions. Word has length 25 [2018-03-29 21:07:28,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:28,572 INFO L459 AbstractCegarLoop]: Abstraction has 155 states and 163 transitions. [2018-03-29 21:07:28,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:07:28,572 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 163 transitions. [2018-03-29 21:07:28,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-03-29 21:07:28,573 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:28,573 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] [2018-03-29 21:07:28,573 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:07:28,574 INFO L82 PathProgramCache]: Analyzing trace with hash -900112552, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:28,585 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:28,603 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:28,610 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 [2018-03-29 21:07:28,610 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:28,613 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:28,613 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-03-29 21:07:28,643 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 [2018-03-29 21:07:28,644 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:28,647 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:28,647 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-03-29 21:07:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:28,673 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:28,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:28,747 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:28,747 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 12 [2018-03-29 21:07:28,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-03-29 21:07:28,747 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-03-29 21:07:28,747 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-03-29 21:07:28,748 INFO L87 Difference]: Start difference. First operand 155 states and 163 transitions. Second operand 13 states. [2018-03-29 21:07:29,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:29,052 INFO L93 Difference]: Finished difference Result 252 states and 272 transitions. [2018-03-29 21:07:29,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-29 21:07:29,053 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 26 [2018-03-29 21:07:29,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:29,054 INFO L225 Difference]: With dead ends: 252 [2018-03-29 21:07:29,054 INFO L226 Difference]: Without dead ends: 244 [2018-03-29 21:07:29,055 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2018-03-29 21:07:29,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-03-29 21:07:29,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 183. [2018-03-29 21:07:29,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-03-29 21:07:29,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 203 transitions. [2018-03-29 21:07:29,062 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 203 transitions. Word has length 26 [2018-03-29 21:07:29,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:29,062 INFO L459 AbstractCegarLoop]: Abstraction has 183 states and 203 transitions. [2018-03-29 21:07:29,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-03-29 21:07:29,062 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 203 transitions. [2018-03-29 21:07:29,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-03-29 21:07:29,063 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:29,063 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] [2018-03-29 21:07:29,063 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:07:29,063 INFO L82 PathProgramCache]: Analyzing trace with hash -900112551, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:29,069 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:29,097 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:29,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:07:29,103 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,105 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,105 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:07:29,122 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 19 treesize of output 14 [2018-03-29 21:07:29,122 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:07:29,132 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,150 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,150 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:27 [2018-03-29 21:07:29,218 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:29,219 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:29,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 28 [2018-03-29 21:07:29,221 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,232 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:29,233 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:29,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-29 21:07:29,234 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,240 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,240 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:21 [2018-03-29 21:07:29,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:29,278 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:29,654 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:29,655 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:29,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2018-03-29 21:07:29,655 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,660 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. [2018-03-29 21:07:29,660 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:19 [2018-03-29 21:07:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:29,739 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:29,739 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 19 [2018-03-29 21:07:29,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-03-29 21:07:29,740 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-03-29 21:07:29,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2018-03-29 21:07:29,740 INFO L87 Difference]: Start difference. First operand 183 states and 203 transitions. Second operand 20 states. [2018-03-29 21:07:30,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:30,564 INFO L93 Difference]: Finished difference Result 415 states and 439 transitions. [2018-03-29 21:07:30,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-03-29 21:07:30,564 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 26 [2018-03-29 21:07:30,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:30,566 INFO L225 Difference]: With dead ends: 415 [2018-03-29 21:07:30,566 INFO L226 Difference]: Without dead ends: 412 [2018-03-29 21:07:30,567 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=172, Invalid=640, Unknown=0, NotChecked=0, Total=812 [2018-03-29 21:07:30,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2018-03-29 21:07:30,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 182. [2018-03-29 21:07:30,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-03-29 21:07:30,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 199 transitions. [2018-03-29 21:07:30,577 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 199 transitions. Word has length 26 [2018-03-29 21:07:30,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:30,578 INFO L459 AbstractCegarLoop]: Abstraction has 182 states and 199 transitions. [2018-03-29 21:07:30,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-03-29 21:07:30,578 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 199 transitions. [2018-03-29 21:07:30,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-03-29 21:07:30,579 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:30,579 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:30,579 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:07:30,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1772223494, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:30,589 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:30,607 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:30,617 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:30,618 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 14 treesize of output 17 [2018-03-29 21:07:30,619 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:30,627 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:30,627 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:30,628 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 [2018-03-29 21:07:30,629 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:30,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:30,635 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:27 [2018-03-29 21:07:30,704 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:30,705 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:30,707 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:30,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 36 [2018-03-29 21:07:30,709 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:30,726 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:30,727 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:30,728 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:30,729 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 [2018-03-29 21:07:30,729 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:30,740 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. [2018-03-29 21:07:30,740 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:38, output treesize:26 [2018-03-29 21:07:30,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:30,775 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:30,940 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:30,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 34 [2018-03-29 21:07:30,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-29 21:07:30,967 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:30,973 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:30,973 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:30,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-03-29 21:07:30,975 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:30,980 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:07:30,986 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 2 xjuncts. [2018-03-29 21:07:30,987 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:36, output treesize:33 [2018-03-29 21:07:31,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:31,035 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:31,035 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2018-03-29 21:07:31,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-03-29 21:07:31,036 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-03-29 21:07:31,036 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2018-03-29 21:07:31,036 INFO L87 Difference]: Start difference. First operand 182 states and 199 transitions. Second operand 17 states. [2018-03-29 21:07:31,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:31,536 INFO L93 Difference]: Finished difference Result 297 states and 318 transitions. [2018-03-29 21:07:31,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-29 21:07:31,536 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 29 [2018-03-29 21:07:31,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:31,538 INFO L225 Difference]: With dead ends: 297 [2018-03-29 21:07:31,538 INFO L226 Difference]: Without dead ends: 292 [2018-03-29 21:07:31,539 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2018-03-29 21:07:31,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-03-29 21:07:31,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 190. [2018-03-29 21:07:31,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-03-29 21:07:31,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 203 transitions. [2018-03-29 21:07:31,552 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 203 transitions. Word has length 29 [2018-03-29 21:07:31,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:31,552 INFO L459 AbstractCegarLoop]: Abstraction has 190 states and 203 transitions. [2018-03-29 21:07:31,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-03-29 21:07:31,552 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 203 transitions. [2018-03-29 21:07:31,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-03-29 21:07:31,553 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:31,554 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:31,554 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:07:31,554 INFO L82 PathProgramCache]: Analyzing trace with hash 572985994, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:31,563 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:31,589 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:31,595 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-29 21:07:31,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:07:31,598 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,601 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-29 21:07:31,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:07:31,611 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,613 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,616 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,616 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:28, output treesize:20 [2018-03-29 21:07:31,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-29 21:07:31,633 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:31,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-29 21:07:31,634 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,639 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-29 21:07:31,650 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:31,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-29 21:07:31,651 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,655 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,661 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:46, output treesize:38 [2018-03-29 21:07:31,672 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:31,672 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:31,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-29 21:07:31,673 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,679 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,679 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:37 [2018-03-29 21:07:31,703 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 28 treesize of output 29 [2018-03-29 21:07:31,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:07:31,705 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,710 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,722 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 28 treesize of output 29 [2018-03-29 21:07:31,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:07:31,725 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,729 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,738 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,738 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:59, output treesize:51 [2018-03-29 21:07:31,769 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 37 treesize of output 36 [2018-03-29 21:07:31,772 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:31,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-29 21:07:31,773 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,781 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,797 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 37 treesize of output 36 [2018-03-29 21:07:31,800 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:31,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-29 21:07:31,801 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,816 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,827 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:31,827 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:77, output treesize:69 [2018-03-29 21:07:31,969 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 40 treesize of output 34 [2018-03-29 21:07:31,973 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:31,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-29 21:07:31,974 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,984 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:31,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-03-29 21:07:31,985 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:31,988 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:32,000 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 40 treesize of output 34 [2018-03-29 21:07:32,003 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:32,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-29 21:07:32,004 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:32,012 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:32,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-03-29 21:07:32,013 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:32,015 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:32,018 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:32,018 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:83, output treesize:7 [2018-03-29 21:07:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:32,045 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:32,264 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:32,264 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12, 9] imperfect sequences [] total 17 [2018-03-29 21:07:32,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-03-29 21:07:32,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-03-29 21:07:32,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2018-03-29 21:07:32,265 INFO L87 Difference]: Start difference. First operand 190 states and 203 transitions. Second operand 17 states. [2018-03-29 21:07:32,534 WARN L148 SmtUtils]: Spent 103ms on a formula simplification that was a NOOP. DAG size: 42 [2018-03-29 21:07:32,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:32,937 INFO L93 Difference]: Finished difference Result 390 states and 420 transitions. [2018-03-29 21:07:32,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-03-29 21:07:32,937 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 38 [2018-03-29 21:07:32,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:32,938 INFO L225 Difference]: With dead ends: 390 [2018-03-29 21:07:32,938 INFO L226 Difference]: Without dead ends: 215 [2018-03-29 21:07:32,939 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=132, Invalid=467, Unknown=1, NotChecked=0, Total=600 [2018-03-29 21:07:32,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-03-29 21:07:32,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 203. [2018-03-29 21:07:32,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-03-29 21:07:32,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 217 transitions. [2018-03-29 21:07:32,948 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 217 transitions. Word has length 38 [2018-03-29 21:07:32,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:32,948 INFO L459 AbstractCegarLoop]: Abstraction has 203 states and 217 transitions. [2018-03-29 21:07:32,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-03-29 21:07:32,949 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 217 transitions. [2018-03-29 21:07:32,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-03-29 21:07:32,950 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:32,950 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:32,950 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:07:32,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1111040505, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:32,973 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:33,011 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:33,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:07:33,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:07:33,034 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,036 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:07:33,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:07:33,048 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,050 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,055 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,055 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:35, output treesize:27 [2018-03-29 21:07:33,088 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:33,089 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:33,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-29 21:07:33,090 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,097 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,097 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:26 [2018-03-29 21:07:33,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 22 [2018-03-29 21:07:33,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:07:33,128 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,132 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 22 [2018-03-29 21:07:33,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:07:33,148 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,152 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,160 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,160 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:48, output treesize:40 [2018-03-29 21:07:33,181 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 30 treesize of output 29 [2018-03-29 21:07:33,183 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:33,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-29 21:07:33,184 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,190 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,206 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 30 treesize of output 29 [2018-03-29 21:07:33,208 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:33,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-29 21:07:33,209 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,216 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,228 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:33,228 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:66, output treesize:58 [2018-03-29 21:07:33,369 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 35 treesize of output 31 [2018-03-29 21:07:33,372 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:33,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-29 21:07:33,372 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,380 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:33,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-29 21:07:33,380 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,383 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,396 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 35 treesize of output 31 [2018-03-29 21:07:33,398 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:33,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-29 21:07:33,398 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,404 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:33,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-29 21:07:33,405 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,407 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,413 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,413 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:82, output treesize:7 [2018-03-29 21:07:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:33,447 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:33,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-03-29 21:07:33,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:07:33,739 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,746 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-03-29 21:07:33,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:07:33,800 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,806 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,816 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:33,817 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:55, output treesize:27 [2018-03-29 21:07:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:33,874 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:33,874 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15, 13] imperfect sequences [] total 22 [2018-03-29 21:07:33,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-03-29 21:07:33,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-03-29 21:07:33,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=380, Unknown=3, NotChecked=0, Total=462 [2018-03-29 21:07:33,875 INFO L87 Difference]: Start difference. First operand 203 states and 217 transitions. Second operand 22 states. [2018-03-29 21:07:34,165 WARN L148 SmtUtils]: Spent 101ms on a formula simplification that was a NOOP. DAG size: 41 [2018-03-29 21:07:34,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:34,879 INFO L93 Difference]: Finished difference Result 428 states and 459 transitions. [2018-03-29 21:07:34,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-03-29 21:07:34,880 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2018-03-29 21:07:34,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:34,881 INFO L225 Difference]: With dead ends: 428 [2018-03-29 21:07:34,882 INFO L226 Difference]: Without dead ends: 253 [2018-03-29 21:07:34,883 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 56 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=234, Invalid=953, Unknown=3, NotChecked=0, Total=1190 [2018-03-29 21:07:34,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-03-29 21:07:34,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 206. [2018-03-29 21:07:34,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-03-29 21:07:34,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 220 transitions. [2018-03-29 21:07:34,892 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 220 transitions. Word has length 40 [2018-03-29 21:07:34,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:34,893 INFO L459 AbstractCegarLoop]: Abstraction has 206 states and 220 transitions. [2018-03-29 21:07:34,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-03-29 21:07:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 220 transitions. [2018-03-29 21:07:34,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-03-29 21:07:34,894 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:34,894 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:34,894 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:07:34,894 INFO L82 PathProgramCache]: Analyzing trace with hash -2010604953, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:34,902 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:34,928 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:34,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:34,960 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:35,007 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:35,007 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2018-03-29 21:07:35,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 21:07:35,008 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 21:07:35,008 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:07:35,008 INFO L87 Difference]: Start difference. First operand 206 states and 220 transitions. Second operand 4 states. [2018-03-29 21:07:35,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:35,049 INFO L93 Difference]: Finished difference Result 290 states and 307 transitions. [2018-03-29 21:07:35,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 21:07:35,049 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-03-29 21:07:35,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:35,050 INFO L225 Difference]: With dead ends: 290 [2018-03-29 21:07:35,050 INFO L226 Difference]: Without dead ends: 219 [2018-03-29 21:07:35,051 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:07:35,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-03-29 21:07:35,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 200. [2018-03-29 21:07:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-03-29 21:07:35,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 211 transitions. [2018-03-29 21:07:35,063 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 211 transitions. Word has length 51 [2018-03-29 21:07:35,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:35,064 INFO L459 AbstractCegarLoop]: Abstraction has 200 states and 211 transitions. [2018-03-29 21:07:35,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 21:07:35,064 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 211 transitions. [2018-03-29 21:07:35,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-03-29 21:07:35,065 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:35,065 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:35,065 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:07:35,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1142640021, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:35,074 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:35,104 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:35,153 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 [2018-03-29 21:07:35,153 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:35,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:35,157 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:11 [2018-03-29 21:07:35,178 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 [2018-03-29 21:07:35,178 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:35,186 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:35,186 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-03-29 21:07:35,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:35,221 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:35,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:35,395 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:07:35,395 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 15 [2018-03-29 21:07:35,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-03-29 21:07:35,396 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-03-29 21:07:35,396 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=182, Unknown=5, NotChecked=0, Total=240 [2018-03-29 21:07:35,396 INFO L87 Difference]: Start difference. First operand 200 states and 211 transitions. Second operand 16 states. [2018-03-29 21:07:36,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:36,084 INFO L93 Difference]: Finished difference Result 247 states and 257 transitions. [2018-03-29 21:07:36,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-03-29 21:07:36,085 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 57 [2018-03-29 21:07:36,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:36,086 INFO L225 Difference]: With dead ends: 247 [2018-03-29 21:07:36,087 INFO L226 Difference]: Without dead ends: 245 [2018-03-29 21:07:36,087 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 94 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=407, Unknown=6, NotChecked=0, Total=552 [2018-03-29 21:07:36,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-03-29 21:07:36,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 202. [2018-03-29 21:07:36,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-03-29 21:07:36,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 215 transitions. [2018-03-29 21:07:36,101 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 215 transitions. Word has length 57 [2018-03-29 21:07:36,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:36,102 INFO L459 AbstractCegarLoop]: Abstraction has 202 states and 215 transitions. [2018-03-29 21:07:36,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-03-29 21:07:36,102 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 215 transitions. [2018-03-29 21:07:36,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-03-29 21:07:36,103 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:36,103 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:36,103 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:07:36,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1142640022, 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 [2018-03-29 21:07:36,113 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:36,152 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:36,221 WARN L1033 $PredicateComparison]: unable to prove that (exists ((__U_MULTI_flength_test___false_valid_memtrack_i__append_~node~0.base Int)) (= |c_#length| (store |c_old(#length)| __U_MULTI_flength_test___false_valid_memtrack_i__append_~node~0.base 9))) is different from true [2018-03-29 21:07:36,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 14 treesize of output 20 [2018-03-29 21:07:36,249 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-03-29 21:07:36,258 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:36,259 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:19 [2018-03-29 21:07:36,329 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 33 [2018-03-29 21:07:36,330 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2018-03-29 21:07:36,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:36,353 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:47 [2018-03-29 21:07:36,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-03-29 21:07:36,390 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:42,494 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:42,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 37 [2018-03-29 21:07:42,546 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:42,547 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:42,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-03-29 21:07:42,548 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:42,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 8 [2018-03-29 21:07:42,557 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:42,564 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:07:42,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:42,571 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:26, output treesize:3 [2018-03-29 21:07:42,605 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:42,626 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:07:42,626 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 19 [2018-03-29 21:07:42,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-03-29 21:07:42,626 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-03-29 21:07:42,627 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=281, Unknown=7, NotChecked=34, Total=380 [2018-03-29 21:07:42,627 INFO L87 Difference]: Start difference. First operand 202 states and 215 transitions. Second operand 20 states. [2018-03-29 21:07:44,917 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((v_main_~list2~0.offset_BEFORE_CALL_3 Int) (v_main_~list2~0.base_BEFORE_CALL_6 Int)) (or (exists ((|v___U_MULTI_flength_test___false_valid_memtrack_i__append_#t~malloc2.base_18| Int) (|v___U_MULTI_flength_test___false_valid_memtrack_i__append_#t~malloc2.base_21| Int)) (< (select (store (store |c_old(#length)| |v___U_MULTI_flength_test___false_valid_memtrack_i__append_#t~malloc2.base_21| 9) |v___U_MULTI_flength_test___false_valid_memtrack_i__append_#t~malloc2.base_18| 9) v_main_~list2~0.base_BEFORE_CALL_6) (+ v_main_~list2~0.offset_BEFORE_CALL_3 4))) (forall ((v_prenex_11 Int)) (<= (+ v_main_~list2~0.offset_BEFORE_CALL_3 4) (select (store |c_#length| v_prenex_11 9) v_main_~list2~0.base_BEFORE_CALL_6))) (< v_main_~list2~0.offset_BEFORE_CALL_3 0))) (= |c_old(#length)| |c_#length|)) is different from false [2018-03-29 21:07:53,106 WARN L148 SmtUtils]: Spent 1075ms on a formula simplification that was a NOOP. DAG size: 36 [2018-03-29 21:08:00,557 WARN L148 SmtUtils]: Spent 5419ms on a formula simplification that was a NOOP. DAG size: 36 [2018-03-29 21:08:00,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:08:00,983 INFO L93 Difference]: Finished difference Result 204 states and 215 transitions. [2018-03-29 21:08:00,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-29 21:08:00,984 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 57 [2018-03-29 21:08:00,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:08:00,985 INFO L225 Difference]: With dead ends: 204 [2018-03-29 21:08:00,985 INFO L226 Difference]: Without dead ends: 202 [2018-03-29 21:08:00,986 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 97 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=115, Invalid=534, Unknown=9, NotChecked=98, Total=756 [2018-03-29 21:08:00,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-03-29 21:08:00,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 200. [2018-03-29 21:08:00,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-03-29 21:08:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 213 transitions. [2018-03-29 21:08:00,997 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 213 transitions. Word has length 57 [2018-03-29 21:08:00,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:08:00,997 INFO L459 AbstractCegarLoop]: Abstraction has 200 states and 213 transitions. [2018-03-29 21:08:00,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-03-29 21:08:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 213 transitions. [2018-03-29 21:08:00,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-03-29 21:08:00,998 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:08:00,998 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:08:00,998 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:08:00,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1521938275, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:08:01,005 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:08:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:08:01,039 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:08:01,103 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:01,106 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 14 treesize of output 17 [2018-03-29 21:08:01,106 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:01,120 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:01,131 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:01,132 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 [2018-03-29 21:08:01,132 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:01,144 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:08:01,144 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:27 [2018-03-29 21:08:01,223 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:01,230 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:01,233 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 19 treesize of output 30 [2018-03-29 21:08:01,233 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:01,265 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:01,266 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:01,267 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:01,268 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 [2018-03-29 21:08:01,268 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:01,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:08:01,280 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:30 [2018-03-29 21:08:01,412 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:08:01,412 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:08:02,897 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:02,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 34 [2018-03-29 21:08:02,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 4 [2018-03-29 21:08:02,931 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,937 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:02,937 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:02,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-03-29 21:08:02,938 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,942 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:08:02,948 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 2 xjuncts. [2018-03-29 21:08:02,948 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:36, output treesize:33 [2018-03-29 21:08:02,981 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,981 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 2 variables, input treesize:22, output treesize:1 [2018-03-29 21:08:02,997 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:08:03,019 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:08:03,019 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 21 [2018-03-29 21:08:03,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-03-29 21:08:03,019 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-03-29 21:08:03,019 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=391, Unknown=2, NotChecked=0, Total=462 [2018-03-29 21:08:03,020 INFO L87 Difference]: Start difference. First operand 200 states and 213 transitions. Second operand 22 states. [2018-03-29 21:08:05,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:08:05,974 INFO L93 Difference]: Finished difference Result 253 states and 264 transitions. [2018-03-29 21:08:05,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-29 21:08:05,975 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 60 [2018-03-29 21:08:05,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:08:05,976 INFO L225 Difference]: With dead ends: 253 [2018-03-29 21:08:05,976 INFO L226 Difference]: Without dead ends: 250 [2018-03-29 21:08:05,977 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=124, Invalid=575, Unknown=3, NotChecked=0, Total=702 [2018-03-29 21:08:05,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-03-29 21:08:05,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 187. [2018-03-29 21:08:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-03-29 21:08:05,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 199 transitions. [2018-03-29 21:08:05,989 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 199 transitions. Word has length 60 [2018-03-29 21:08:05,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:08:05,989 INFO L459 AbstractCegarLoop]: Abstraction has 187 states and 199 transitions. [2018-03-29 21:08:05,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-03-29 21:08:05,989 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 199 transitions. [2018-03-29 21:08:05,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-03-29 21:08:05,990 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:08:05,990 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:08:05,990 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr2RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr18RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr23RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr21RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr13RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr24RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr4RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr10RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr20RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr3RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr11RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr7RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr0RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr14RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr22RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr12RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr17RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr25RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr1RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr6RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr8RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr19RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr15RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr9RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr5RequiresViolation, __U_MULTI_flength_test___false_valid_memtrack_i__appendErr16RequiresViolation]=== [2018-03-29 21:08:05,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1568270471, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:08:05,996 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:08:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:08:06,034 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:08:06,165 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 [2018-03-29 21:08:06,165 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,195 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,195 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-03-29 21:08:06,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:08:06,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:08:06,409 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,429 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,455 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,455 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2018-03-29 21:08:06,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-03-29 21:08:06,620 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 24 treesize of output 23 [2018-03-29 21:08:06,621 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,680 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 2 case distinctions, treesize of input 21 treesize of output 30 [2018-03-29 21:08:06,680 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-29 21:08:06,691 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:08:06,704 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:08:06,705 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:38, output treesize:70 [2018-03-29 21:08:06,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2018-03-29 21:08:06,757 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:06,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-03-29 21:08:06,758 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,765 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 65 [2018-03-29 21:08:06,804 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:06,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 54 [2018-03-29 21:08:06,812 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-29 21:08:06,848 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:06,848 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 51 treesize of output 66 [2018-03-29 21:08:06,849 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,870 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:08:06,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-03-29 21:08:06,891 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:102, output treesize:115 [2018-03-29 21:08:06,934 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-03-29 21:08:06,934 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,957 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:06,958 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:06,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 10 [2018-03-29 21:08:06,959 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,967 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:08:06,968 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:139, output treesize:60 [2018-03-29 21:08:07,050 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:07,051 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:07,052 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:07,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 28 treesize of output 52 [2018-03-29 21:08:07,053 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:07,067 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. [2018-03-29 21:08:07,067 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:74, output treesize:82 [2018-03-29 21:08:07,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-03-29 21:08:07,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:08:07,189 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:07,200 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:07,216 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-29 21:08:07,217 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:98, output treesize:85 [2018-03-29 21:08:07,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-03-29 21:08:07,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:08:07,265 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:07,277 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:07,295 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-03-29 21:08:07,295 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:98, output treesize:94 [2018-03-29 21:08:07,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 65 [2018-03-29 21:08:07,348 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:07,348 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 33 treesize of output 21 [2018-03-29 21:08:07,348 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:07,359 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:07,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-03-29 21:08:07,360 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:07,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-03-29 21:08:07,366 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:07,370 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:07,379 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-29 21:08:07,379 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:103, output treesize:28 [2018-03-29 21:08:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:08:07,433 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:08:09,990 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:09,991 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:09,994 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:09,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 292 [2018-03-29 21:08:09,996 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 283 treesize of output 174 [2018-03-29 21:08:10,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-29 21:08:10,133 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 122 [2018-03-29 21:08:10,289 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 110 DAG size of output 65 [2018-03-29 21:08:10,291 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 63 treesize of output 66 [2018-03-29 21:08:10,293 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,293 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 20 treesize of output 28 [2018-03-29 21:08:10,293 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,305 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 59 [2018-03-29 21:08:10,353 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,354 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 50 treesize of output 58 [2018-03-29 21:08:10,354 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,379 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 69 [2018-03-29 21:08:10,389 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-03-29 21:08:10,420 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:08:10,473 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2018-03-29 21:08:10,476 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,477 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,480 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 72 [2018-03-29 21:08:10,497 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 3 xjuncts. [2018-03-29 21:08:10,529 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:08:10,531 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2018-03-29 21:08:10,533 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,534 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,539 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2018-03-29 21:08:10,539 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-03-29 21:08:10,552 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:08:10,554 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2018-03-29 21:08:10,557 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 38 [2018-03-29 21:08:10,566 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-03-29 21:08:10,577 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:08:10,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 54 [2018-03-29 21:08:10,654 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 40 [2018-03-29 21:08:10,655 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 20 [2018-03-29 21:08:10,672 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,686 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 69 [2018-03-29 21:08:10,705 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2018-03-29 21:08:10,734 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:08:10,806 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-03-29 21:08:10,831 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-03-29 21:08:10,869 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-03-29 21:08:10,869 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 8 variables, input treesize:130, output treesize:59 [2018-03-29 21:08:11,095 WARN L151 SmtUtils]: Spent 117ms on a formula simplification. DAG size of input: 49 DAG size of output 45 [2018-03-29 21:08:11,109 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 130 Received shutdown request... [2018-03-29 21:09:59,443 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-03-29 21:09:59,443 WARN L519 AbstractCegarLoop]: Verification canceled [2018-03-29 21:09:59,448 WARN L197 ceAbstractionStarter]: Timeout [2018-03-29 21:09:59,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 09:09:59 BoogieIcfgContainer [2018-03-29 21:09:59,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-29 21:09:59,450 INFO L168 Benchmark]: Toolchain (without parser) took 154139.22 ms. Allocated memory was 305.7 MB in the beginning and 694.2 MB in the end (delta: 388.5 MB). Free memory was 242.1 MB in the beginning and 324.5 MB in the end (delta: -82.4 MB). Peak memory consumption was 306.1 MB. Max. memory is 5.3 GB. [2018-03-29 21:09:59,451 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 305.7 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 21:09:59,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.90 ms. Allocated memory is still 305.7 MB. Free memory was 242.1 MB in the beginning and 216.2 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:09:59,451 INFO L168 Benchmark]: Boogie Preprocessor took 61.38 ms. Allocated memory is still 305.7 MB. Free memory was 216.2 MB in the beginning and 213.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:09:59,451 INFO L168 Benchmark]: RCFGBuilder took 740.24 ms. Allocated memory was 305.7 MB in the beginning and 471.3 MB in the end (delta: 165.7 MB). Free memory was 213.2 MB in the beginning and 388.8 MB in the end (delta: -175.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:09:59,451 INFO L168 Benchmark]: TraceAbstraction took 152984.70 ms. Allocated memory was 471.3 MB in the beginning and 694.2 MB in the end (delta: 222.8 MB). Free memory was 387.4 MB in the beginning and 324.5 MB in the end (delta: 62.9 MB). Peak memory consumption was 285.7 MB. Max. memory is 5.3 GB. [2018-03-29 21:09:59,453 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 305.7 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 347.90 ms. Allocated memory is still 305.7 MB. Free memory was 242.1 MB in the beginning and 216.2 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 61.38 ms. Allocated memory is still 305.7 MB. Free memory was 216.2 MB in the beginning and 213.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 740.24 ms. Allocated memory was 305.7 MB in the beginning and 471.3 MB in the end (delta: 165.7 MB). Free memory was 213.2 MB in the beginning and 388.8 MB in the end (delta: -175.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 152984.70 ms. Allocated memory was 471.3 MB in the beginning and 694.2 MB in the end (delta: 222.8 MB). Free memory was 387.4 MB in the beginning and 324.5 MB in the end (delta: 62.9 MB). Peak memory consumption was 285.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 574]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 574). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 588]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 588). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 575]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 575). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 579]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 579). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 556]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 556). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 581]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 581). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 554]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 554). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 578]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 578). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 574]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 574). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 560]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 560). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 579]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 579). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 588]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 588). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 556]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 556). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 578]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 578). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 582]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 582). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 571]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 571). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 582]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 582). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 560]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 560). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 581]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 581). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 572]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 572). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 589]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 589). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 571]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 571). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 572]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 572). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 575]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 575). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 589]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 589). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 542]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 552]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 552). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 542]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 542]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 543]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 543). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 552]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 552). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 543]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 543). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 542]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 179 locations, 55 error locations. TIMEOUT Result, 152.9s OverallTime, 16 OverallIterations, 2 TraceHistogramMax, 26.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1918 SDtfs, 4582 SDslu, 8323 SDs, 0 SdLazy, 4819 SolverSat, 320 SolverUnsat, 89 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1011 GetRequests, 777 SyntacticMatches, 18 SemanticMatches, 216 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 918 ImplicationChecksByTransitivity, 26.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 654 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 478 NumberOfCodeBlocks, 478 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 926 ConstructedInterpolants, 275 QuantifiedInterpolants, 477478 SizeOfPredicates, 108 NumberOfNonLiveVariables, 2058 ConjunctsInSsa, 251 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 0/42 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/length_test03_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-29_21-09-59-462.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/length_test03_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-29_21-09-59-462.csv Completed graceful shutdown