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 --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/array-memsafety/strreplace-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 15:26:23,452 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 15:26:23,453 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 15:26:23,465 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 15:26:23,465 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 15:26:23,465 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 15:26:23,466 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 15:26:23,468 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 15:26:23,469 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 15:26:23,470 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 15:26:23,471 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 15:26:23,471 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 15:26:23,471 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 15:26:23,472 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 15:26:23,473 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 15:26:23,474 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 15:26:23,476 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 15:26:23,477 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 15:26:23,478 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 15:26:23,479 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 15:26:23,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 15:26:23,485 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-11 15:26:23,505 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 15:26:23,505 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 15:26:23,506 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 15:26:23,506 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 15:26:23,506 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 15:26:23,506 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 15:26:23,507 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 15:26:23,507 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 15:26:23,507 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 15:26:23,507 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 15:26:23,507 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 15:26:23,507 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 15:26:23,507 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 15:26:23,507 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 15:26:23,507 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 15:26:23,507 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 15:26:23,507 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 15:26:23,508 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 15:26:23,508 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 15:26:23,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:26:23,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 15:26:23,508 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 15:26:23,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 15:26:23,508 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 15:26:23,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 15:26:23,541 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 15:26:23,544 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 15:26:23,545 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 15:26:23,546 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 15:26:23,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,820 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG7183aa9f4 [2018-04-11 15:26:23,944 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 15:26:23,944 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 15:26:23,945 INFO L168 CDTParser]: Scanning strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,952 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 15:26:23,953 INFO L215 ultiparseSymbolTable]: [2018-04-11 15:26:23,953 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 15:26:23,953 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,953 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__ ('') in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,953 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,953 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,953 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 15:26:23,953 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__u_int32_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,954 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,954 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,954 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,954 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__sigset_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,954 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____caddr_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,954 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____u_char in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,954 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____off64_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,954 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__u_quad_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,954 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__ulong in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,955 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,955 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__uid_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,955 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____uint32_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,955 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____fsid_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,955 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,955 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__int16_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,955 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__blksize_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,955 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____ino64_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,955 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__lldiv_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,956 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,956 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__div_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,956 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____u_long in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,956 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__u_char in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,956 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,956 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__time_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,956 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____int16_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,956 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____sigset_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,956 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____u_short in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,957 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__int64_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,957 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,957 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__suseconds_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,957 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__fsid_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,957 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,957 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____loff_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,957 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__mode_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,957 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____ino_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,957 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____daddr_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,957 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__caddr_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____uint8_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__u_long in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____key_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____time_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__int8_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__ushort in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__clock_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__u_int64_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,958 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__fd_set in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__pid_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____uint16_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__loff_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__daddr_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____qaddr_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____rlim64_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____dev_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____int8_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,959 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____blksize_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____clock_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__timer_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__register_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____nlink_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____uid_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__u_short in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,960 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__ldiv_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____uint64_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__gid_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__ssize_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____fsword_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____int64_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__ino_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__uint in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__nlink_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__id_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,961 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__wchar_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____useconds_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____u_int in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____mode_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____socklen_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____intptr_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____clockid_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__off_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__u_int16_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__dev_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,962 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__size_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____rlim_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__u_int in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__quad_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____pid_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__key_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____suseconds_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____off_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__fd_mask in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____u_quad_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__u_int8_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__int32_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____fd_mask in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____quad_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____ssize_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__clockid_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,963 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____gid_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____timer_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____id_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____int32_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i__pthread_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,964 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:23,976 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG7183aa9f4 [2018-04-11 15:26:23,979 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 15:26:23,980 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 15:26:23,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 15:26:23,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 15:26:23,984 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 15:26:23,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:26:23" (1/1) ... [2018-04-11 15:26:23,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c41dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:26:23, skipping insertion in model container [2018-04-11 15:26:23,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:26:23" (1/1) ... [2018-04-11 15:26:23,997 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:26:24,019 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:26:24,151 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:26:24,183 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:26:24,189 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 15:26:24,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:26:24 WrapperNode [2018-04-11 15:26:24,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 15:26:24,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 15:26:24,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 15:26:24,224 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 15:26:24,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:26:24" (1/1) ... [2018-04-11 15:26:24,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:26:24" (1/1) ... [2018-04-11 15:26:24,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:26:24" (1/1) ... [2018-04-11 15:26:24,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:26:24" (1/1) ... [2018-04-11 15:26:24,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:26:24" (1/1) ... [2018-04-11 15:26:24,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:26:24" (1/1) ... [2018-04-11 15:26:24,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:26:24" (1/1) ... [2018-04-11 15:26:24,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 15:26:24,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 15:26:24,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 15:26:24,261 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 15:26:24,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:26:24" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:26:24,354 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 15:26:24,355 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 15:26:24,355 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 15:26:24,355 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 15:26:24,355 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrreplace [2018-04-11 15:26:24,355 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 15:26:24,355 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 15:26:24,355 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 15:26:24,355 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 15:26:24,355 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 15:26:24,355 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 15:26:24,356 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 15:26:24,356 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 15:26:24,356 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 15:26:24,356 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 15:26:24,356 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 15:26:24,356 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 15:26:24,356 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 15:26:24,356 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 15:26:24,356 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 15:26:24,356 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 15:26:24,357 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 15:26:24,357 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 15:26:24,357 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 15:26:24,357 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 15:26:24,357 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 15:26:24,357 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 15:26:24,357 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 15:26:24,357 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 15:26:24,357 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 15:26:24,357 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 15:26:24,357 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 15:26:24,358 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 15:26:24,358 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 15:26:24,358 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 15:26:24,358 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 15:26:24,358 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 15:26:24,358 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 15:26:24,358 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 15:26:24,358 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 15:26:24,358 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 15:26:24,359 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 15:26:24,359 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 15:26:24,359 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 15:26:24,359 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 15:26:24,359 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 15:26:24,359 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 15:26:24,359 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 15:26:24,359 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 15:26:24,359 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 15:26:24,359 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 15:26:24,359 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 15:26:24,360 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 15:26:24,360 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 15:26:24,360 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 15:26:24,360 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 15:26:24,360 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 15:26:24,360 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 15:26:24,360 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 15:26:24,360 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 15:26:24,360 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 15:26:24,360 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 15:26:24,360 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 15:26:24,360 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 15:26:24,361 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 15:26:24,361 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 15:26:24,361 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 15:26:24,361 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 15:26:24,361 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 15:26:24,361 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 15:26:24,361 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 15:26:24,361 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 15:26:24,361 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 15:26:24,361 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 15:26:24,362 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 15:26:24,363 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 15:26:24,363 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 15:26:24,363 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 15:26:24,363 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 15:26:24,363 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 15:26:24,363 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 15:26:24,363 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 15:26:24,363 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 15:26:24,363 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 15:26:24,363 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 15:26:24,363 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 15:26:24,364 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 15:26:24,364 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 15:26:24,364 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 15:26:24,364 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 15:26:24,364 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 15:26:24,364 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 15:26:24,364 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 15:26:24,364 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 15:26:24,364 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 15:26:24,364 INFO L128 BoogieDeclarations]: Found specification of procedure cstrreplace [2018-04-11 15:26:24,364 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 15:26:24,365 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 15:26:24,365 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 15:26:24,365 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 15:26:24,365 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 15:26:24,365 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 15:26:24,365 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 15:26:24,365 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 15:26:24,624 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 15:26:24,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:26:24 BoogieIcfgContainer [2018-04-11 15:26:24,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 15:26:24,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 15:26:24,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 15:26:24,627 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 15:26:24,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 03:26:23" (1/3) ... [2018-04-11 15:26:24,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ead4ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:26:24, skipping insertion in model container [2018-04-11 15:26:24,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:26:24" (2/3) ... [2018-04-11 15:26:24,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ead4ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:26:24, skipping insertion in model container [2018-04-11 15:26:24,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:26:24" (3/3) ... [2018-04-11 15:26:24,629 INFO L107 eAbstractionObserver]: Analyzing ICFG strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:26:24,635 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 15:26:24,640 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-11 15:26:24,662 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 15:26:24,663 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 15:26:24,663 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 15:26:24,663 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 15:26:24,663 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 15:26:24,663 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 15:26:24,663 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 15:26:24,663 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 15:26:24,663 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 15:26:24,664 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 15:26:24,672 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-04-11 15:26:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 15:26:24,679 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:26:24,679 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:26:24,679 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:26:24,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1143376374, now seen corresponding path program 1 times [2018-04-11 15:26:24,683 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:26:24,683 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:26:24,711 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:24,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:26:24,711 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:26:24,744 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:26:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:26:24,786 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:26:24,786 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:26:24,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:26:24,795 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:26:24,795 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:26:24,797 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2018-04-11 15:26:24,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:26:24,863 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2018-04-11 15:26:24,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 15:26:24,864 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-11 15:26:24,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:26:24,869 INFO L225 Difference]: With dead ends: 39 [2018-04-11 15:26:24,869 INFO L226 Difference]: Without dead ends: 36 [2018-04-11 15:26:24,870 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 15:26:24,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-11 15:26:24,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-11 15:26:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-11 15:26:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-11 15:26:24,891 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 10 [2018-04-11 15:26:24,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:26:24,891 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-11 15:26:24,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:26:24,891 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-11 15:26:24,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 15:26:24,891 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:26:24,891 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:26:24,891 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:26:24,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1143376373, now seen corresponding path program 1 times [2018-04-11 15:26:24,892 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:26:24,892 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:26:24,892 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:24,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:26:24,892 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:26:24,901 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:26:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:26:24,976 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:26:24,976 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 15:26:24,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 15:26:24,978 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 15:26:24,978 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 15:26:24,978 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 5 states. [2018-04-11 15:26:25,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:26:25,023 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-04-11 15:26:25,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:26:25,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-04-11 15:26:25,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:26:25,024 INFO L225 Difference]: With dead ends: 35 [2018-04-11 15:26:25,024 INFO L226 Difference]: Without dead ends: 35 [2018-04-11 15:26:25,024 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-11 15:26:25,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-11 15:26:25,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-11 15:26:25,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-11 15:26:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2018-04-11 15:26:25,027 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 10 [2018-04-11 15:26:25,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:26:25,027 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2018-04-11 15:26:25,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 15:26:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-04-11 15:26:25,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 15:26:25,028 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:26:25,028 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:26:25,028 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:26:25,028 INFO L82 PathProgramCache]: Analyzing trace with hash 804879302, now seen corresponding path program 1 times [2018-04-11 15:26:25,028 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:26:25,028 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:26:25,028 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:25,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:26:25,029 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:26:25,045 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:26:25,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:26:25,075 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:26:25,075 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 15:26:25,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 15:26:25,075 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 15:26:25,075 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 15:26:25,076 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 5 states. [2018-04-11 15:26:25,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:26:25,106 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2018-04-11 15:26:25,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 15:26:25,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-11 15:26:25,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:26:25,107 INFO L225 Difference]: With dead ends: 32 [2018-04-11 15:26:25,107 INFO L226 Difference]: Without dead ends: 32 [2018-04-11 15:26:25,107 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 15:26:25,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-11 15:26:25,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-04-11 15:26:25,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-11 15:26:25,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2018-04-11 15:26:25,109 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 15 [2018-04-11 15:26:25,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:26:25,109 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2018-04-11 15:26:25,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 15:26:25,110 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-04-11 15:26:25,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 15:26:25,110 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:26:25,110 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:26:25,110 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:26:25,110 INFO L82 PathProgramCache]: Analyzing trace with hash 804879303, now seen corresponding path program 1 times [2018-04-11 15:26:25,110 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:26:25,110 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:26:25,111 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:25,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:26:25,111 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:26:25,120 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:26:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:26:25,198 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:26:25,198 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 15:26:25,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 15:26:25,198 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 15:26:25,199 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-11 15:26:25,199 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 8 states. [2018-04-11 15:26:25,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:26:25,254 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2018-04-11 15:26:25,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 15:26:25,254 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2018-04-11 15:26:25,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:26:25,256 INFO L225 Difference]: With dead ends: 43 [2018-04-11 15:26:25,256 INFO L226 Difference]: Without dead ends: 43 [2018-04-11 15:26:25,256 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-11 15:26:25,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-11 15:26:25,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 38. [2018-04-11 15:26:25,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-11 15:26:25,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2018-04-11 15:26:25,259 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 15 [2018-04-11 15:26:25,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:26:25,259 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2018-04-11 15:26:25,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 15:26:25,259 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2018-04-11 15:26:25,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 15:26:25,259 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:26:25,260 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:26:25,260 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:26:25,260 INFO L82 PathProgramCache]: Analyzing trace with hash 670175660, now seen corresponding path program 1 times [2018-04-11 15:26:25,260 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:26:25,260 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:26:25,260 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:25,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:26:25,261 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:26:25,277 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:26:25,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:26:25,375 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:26:25,375 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 15:26:25,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 15:26:25,376 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 15:26:25,376 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-11 15:26:25,376 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 9 states. [2018-04-11 15:26:25,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:26:25,478 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-04-11 15:26:25,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 15:26:25,478 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-04-11 15:26:25,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:26:25,478 INFO L225 Difference]: With dead ends: 55 [2018-04-11 15:26:25,478 INFO L226 Difference]: Without dead ends: 55 [2018-04-11 15:26:25,479 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-04-11 15:26:25,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-11 15:26:25,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 50. [2018-04-11 15:26:25,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 15:26:25,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-04-11 15:26:25,482 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 21 [2018-04-11 15:26:25,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:26:25,482 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-04-11 15:26:25,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 15:26:25,482 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-04-11 15:26:25,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 15:26:25,483 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:26:25,483 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:26:25,483 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:26:25,483 INFO L82 PathProgramCache]: Analyzing trace with hash -609688018, now seen corresponding path program 1 times [2018-04-11 15:26:25,483 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:26:25,483 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:26:25,484 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:25,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:26:25,484 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:26:25,498 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:26:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:26:25,640 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:26:25,640 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:26:25,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:26:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:26:25,682 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:26:25,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:26:25,711 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:26:25,714 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:26:25,714 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 15:26:25,750 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 16 treesize of output 13 [2018-04-11 15:26:25,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 15:26:25,753 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:26:25,754 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:26:25,759 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:26:25,759 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2018-04-11 15:26:25,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-11 15:26:25,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 15:26:25,847 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 15:26:25,850 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:26:25,858 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:26:25,858 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:54 [2018-04-11 15:26:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:26:25,927 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:26:25,927 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2018-04-11 15:26:25,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 15:26:25,928 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 15:26:25,928 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2018-04-11 15:26:25,928 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 18 states. [2018-04-11 15:26:26,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:26:26,324 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2018-04-11 15:26:26,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 15:26:26,324 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 21 [2018-04-11 15:26:26,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:26:26,325 INFO L225 Difference]: With dead ends: 103 [2018-04-11 15:26:26,325 INFO L226 Difference]: Without dead ends: 103 [2018-04-11 15:26:26,325 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=729, Unknown=0, NotChecked=0, Total=870 [2018-04-11 15:26:26,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-11 15:26:26,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 58. [2018-04-11 15:26:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-11 15:26:26,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2018-04-11 15:26:26,330 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 21 [2018-04-11 15:26:26,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:26:26,330 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2018-04-11 15:26:26,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 15:26:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2018-04-11 15:26:26,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 15:26:26,330 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:26:26,330 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:26:26,331 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:26:26,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1279946367, now seen corresponding path program 1 times [2018-04-11 15:26:26,331 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:26:26,331 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:26:26,332 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:26,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:26:26,332 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:26:26,342 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:26:26,347 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:26:26,347 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:26:26,347 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:26:26,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:26:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:26:26,367 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:26:26,377 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:26:26,378 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 12 treesize of output 5 [2018-04-11 15:26:26,378 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:26:26,379 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:26:26,379 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-11 15:26:26,391 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int)) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= (store |c_old(#valid)| |main_#t~malloc7.base| 0) |c_#valid|))) is different from true [2018-04-11 15:26:26,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:26:26,395 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:26:26,395 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 15:26:26,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 15:26:26,395 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 15:26:26,395 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30 [2018-04-11 15:26:26,395 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand 6 states. [2018-04-11 15:26:26,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:26:26,439 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2018-04-11 15:26:26,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:26:26,439 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-11 15:26:26,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:26:26,439 INFO L225 Difference]: With dead ends: 57 [2018-04-11 15:26:26,440 INFO L226 Difference]: Without dead ends: 38 [2018-04-11 15:26:26,440 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=28, Unknown=1, NotChecked=10, Total=56 [2018-04-11 15:26:26,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-11 15:26:26,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-04-11 15:26:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-11 15:26:26,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-04-11 15:26:26,443 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 23 [2018-04-11 15:26:26,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:26:26,443 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-04-11 15:26:26,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 15:26:26,443 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-04-11 15:26:26,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 15:26:26,444 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:26:26,444 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:26:26,444 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:26:26,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1316236589, now seen corresponding path program 2 times [2018-04-11 15:26:26,444 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:26:26,444 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:26:26,445 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:26,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:26:26,445 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:26:26,457 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:26:26,623 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:26:26,623 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:26:26,623 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:26:26,624 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 15:26:26,655 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 15:26:26,656 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 15:26:26,658 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:26:26,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:26:26,664 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:26:26,667 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:26:26,667 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 15:26:26,675 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 16 treesize of output 13 [2018-04-11 15:26:26,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 15:26:26,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:26:26,678 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:26:26,681 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:26:26,682 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-04-11 15:26:26,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-11 15:26:26,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-04-11 15:26:26,770 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 15:26:26,773 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:26:26,780 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:26:26,780 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:40 [2018-04-11 15:26:26,846 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:26:26,846 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:26:26,846 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2018-04-11 15:26:26,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 15:26:26,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 15:26:26,846 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2018-04-11 15:26:26,847 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 19 states. [2018-04-11 15:26:27,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:26:27,219 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2018-04-11 15:26:27,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 15:26:27,219 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 27 [2018-04-11 15:26:27,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:26:27,220 INFO L225 Difference]: With dead ends: 86 [2018-04-11 15:26:27,220 INFO L226 Difference]: Without dead ends: 86 [2018-04-11 15:26:27,221 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 17 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=908, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 15:26:27,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-04-11 15:26:27,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 46. [2018-04-11 15:26:27,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-11 15:26:27,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-04-11 15:26:27,225 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 27 [2018-04-11 15:26:27,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:26:27,225 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-04-11 15:26:27,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 15:26:27,225 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-04-11 15:26:27,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 15:26:27,226 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:26:27,226 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:26:27,226 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:26:27,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1827794872, now seen corresponding path program 3 times [2018-04-11 15:26:27,226 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:26:27,226 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:26:27,227 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:27,227 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 15:26:27,227 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:26:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:26:27,237 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:26:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-11 15:26:27,369 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:26:27,370 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:26:27,370 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-11 15:26:27,399 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-11 15:26:27,399 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 15:26:27,402 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:26:27,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:26:27,405 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:26:27,408 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:26:27,408 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 15:26:27,416 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 16 treesize of output 13 [2018-04-11 15:26:27,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 15:26:27,418 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:26:27,420 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:26:27,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:26:27,423 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-04-11 15:26:27,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-11 15:26:27,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-04-11 15:26:27,491 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 15:26:27,493 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:26:27,498 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:26:27,498 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:34 [2018-04-11 15:26:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:26:27,548 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:26:27,548 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2018-04-11 15:26:27,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 15:26:27,549 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 15:26:27,549 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2018-04-11 15:26:27,549 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 18 states. [2018-04-11 15:26:27,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:26:27,943 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2018-04-11 15:26:27,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 15:26:27,943 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 33 [2018-04-11 15:26:27,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:26:27,943 INFO L225 Difference]: With dead ends: 53 [2018-04-11 15:26:27,944 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 15:26:27,944 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=226, Invalid=964, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 15:26:27,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 15:26:27,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 15:26:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 15:26:27,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 15:26:27,945 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-04-11 15:26:27,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:26:27,945 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 15:26:27,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 15:26:27,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 15:26:27,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 15:26:27,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 03:26:27 BoogieIcfgContainer [2018-04-11 15:26:27,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 15:26:27,950 INFO L168 Benchmark]: Toolchain (without parser) took 3969.97 ms. Allocated memory was 402.1 MB in the beginning and 646.4 MB in the end (delta: 244.3 MB). Free memory was 334.6 MB in the beginning and 436.4 MB in the end (delta: -101.8 MB). Peak memory consumption was 142.5 MB. Max. memory is 5.3 GB. [2018-04-11 15:26:27,951 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 402.1 MB. Free memory is still 362.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 15:26:27,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.88 ms. Allocated memory is still 402.1 MB. Free memory was 333.3 MB in the beginning and 309.5 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 15:26:27,951 INFO L168 Benchmark]: Boogie Preprocessor took 36.13 ms. Allocated memory is still 402.1 MB. Free memory was 309.5 MB in the beginning and 308.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-11 15:26:27,951 INFO L168 Benchmark]: RCFGBuilder took 364.54 ms. Allocated memory was 402.1 MB in the beginning and 592.4 MB in the end (delta: 190.3 MB). Free memory was 308.1 MB in the beginning and 530.0 MB in the end (delta: -221.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 5.3 GB. [2018-04-11 15:26:27,951 INFO L168 Benchmark]: TraceAbstraction took 3324.03 ms. Allocated memory was 592.4 MB in the beginning and 646.4 MB in the end (delta: 54.0 MB). Free memory was 530.0 MB in the beginning and 436.4 MB in the end (delta: 93.6 MB). Peak memory consumption was 147.6 MB. Max. memory is 5.3 GB. [2018-04-11 15:26:27,953 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 402.1 MB. Free memory is still 362.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 242.88 ms. Allocated memory is still 402.1 MB. Free memory was 333.3 MB in the beginning and 309.5 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.13 ms. Allocated memory is still 402.1 MB. Free memory was 309.5 MB in the beginning and 308.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 364.54 ms. Allocated memory was 402.1 MB in the beginning and 592.4 MB in the end (delta: 190.3 MB). Free memory was 308.1 MB in the beginning and 530.0 MB in the end (delta: -221.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3324.03 ms. Allocated memory was 592.4 MB in the beginning and 646.4 MB in the end (delta: 54.0 MB). Free memory was 530.0 MB in the beginning and 436.4 MB in the end (delta: 93.6 MB). Peak memory consumption was 147.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 46 locations, 9 error locations. SAFE Result, 3.2s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 244 SDtfs, 648 SDslu, 977 SDs, 0 SdLazy, 896 SolverSat, 201 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 80 SyntacticMatches, 8 SemanticMatches, 129 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=6, 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: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 95 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 244 ConstructedInterpolants, 12 QuantifiedInterpolants, 57912 SizeOfPredicates, 28 NumberOfNonLiveVariables, 447 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 8/74 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/strreplace-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_15-26-27-958.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/strreplace-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_15-26-27-958.csv Received shutdown request...