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_Camel.epf -i ../../../trunk/examples/svcomp/array-memsafety/strreplace-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 10:40:32,431 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 10:40:32,433 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 10:40:32,446 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 10:40:32,446 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 10:40:32,447 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 10:40:32,448 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 10:40:32,449 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 10:40:32,451 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 10:40:32,452 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 10:40:32,452 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 10:40:32,452 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 10:40:32,453 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 10:40:32,454 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 10:40:32,455 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 10:40:32,456 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 10:40:32,458 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 10:40:32,460 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 10:40:32,460 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 10:40:32,461 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 10:40:32,463 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 10:40:32,468 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-12 10:40:32,477 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 10:40:32,477 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 10:40:32,478 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 10:40:32,478 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 10:40:32,478 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 10:40:32,479 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 10:40:32,479 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 10:40:32,479 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 10:40:32,479 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 10:40:32,479 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 10:40:32,479 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 10:40:32,480 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 10:40:32,480 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 10:40:32,480 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 10:40:32,480 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 10:40:32,480 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 10:40:32,480 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 10:40:32,480 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 10:40:32,481 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 10:40:32,481 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 10:40:32,481 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 10:40:32,481 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 10:40:32,481 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 10:40:32,481 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 10:40:32,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 10:40:32,521 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 10:40:32,524 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 10:40:32,525 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 10:40:32,526 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 10:40:32,526 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 [2018-04-12 10:40:32,906 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf24b5a666 [2018-04-12 10:40:33,015 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 10:40:33,015 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 10:40:33,015 INFO L168 CDTParser]: Scanning strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:40:33,024 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 10:40:33,024 INFO L215 ultiparseSymbolTable]: [2018-04-12 10:40:33,024 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 10:40:33,024 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:40:33,024 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 [2018-04-12 10:40:33,024 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 [2018-04-12 10:40:33,024 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 [2018-04-12 10:40:33,025 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 10:40:33,025 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 [2018-04-12 10:40:33,025 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 [2018-04-12 10:40:33,025 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 [2018-04-12 10:40:33,025 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 [2018-04-12 10:40:33,025 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 [2018-04-12 10:40:33,025 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 [2018-04-12 10:40:33,025 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 [2018-04-12 10:40:33,025 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 [2018-04-12 10:40:33,025 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 [2018-04-12 10:40:33,025 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,026 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 [2018-04-12 10:40:33,027 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 [2018-04-12 10:40:33,027 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 [2018-04-12 10:40:33,027 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 [2018-04-12 10:40:33,027 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 [2018-04-12 10:40:33,027 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 [2018-04-12 10:40:33,027 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 [2018-04-12 10:40:33,027 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 [2018-04-12 10:40:33,027 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 [2018-04-12 10:40:33,027 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 [2018-04-12 10:40:33,027 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 [2018-04-12 10:40:33,027 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 [2018-04-12 10:40:33,027 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 [2018-04-12 10:40:33,027 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 [2018-04-12 10:40:33,028 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 [2018-04-12 10:40:33,028 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 [2018-04-12 10:40:33,028 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 [2018-04-12 10:40:33,028 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 [2018-04-12 10:40:33,028 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 [2018-04-12 10:40:33,028 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 [2018-04-12 10:40:33,028 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 [2018-04-12 10:40:33,028 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 [2018-04-12 10:40:33,028 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 [2018-04-12 10:40:33,028 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 [2018-04-12 10:40:33,028 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 [2018-04-12 10:40:33,029 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 [2018-04-12 10:40:33,029 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 [2018-04-12 10:40:33,029 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 [2018-04-12 10:40:33,029 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 [2018-04-12 10:40:33,029 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 [2018-04-12 10:40:33,029 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 [2018-04-12 10:40:33,029 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 [2018-04-12 10:40:33,029 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 [2018-04-12 10:40:33,029 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 [2018-04-12 10:40:33,029 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 [2018-04-12 10:40:33,029 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 [2018-04-12 10:40:33,030 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 [2018-04-12 10:40:33,030 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 [2018-04-12 10:40:33,030 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 [2018-04-12 10:40:33,030 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 [2018-04-12 10:40:33,030 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 [2018-04-12 10:40:33,030 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 [2018-04-12 10:40:33,030 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 [2018-04-12 10:40:33,030 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 [2018-04-12 10:40:33,030 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 [2018-04-12 10:40:33,030 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 [2018-04-12 10:40:33,030 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 [2018-04-12 10:40:33,031 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 [2018-04-12 10:40:33,031 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 [2018-04-12 10:40:33,031 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 [2018-04-12 10:40:33,031 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 [2018-04-12 10:40:33,031 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 [2018-04-12 10:40:33,031 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 [2018-04-12 10:40:33,031 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 [2018-04-12 10:40:33,031 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 [2018-04-12 10:40:33,031 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 [2018-04-12 10:40:33,031 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 [2018-04-12 10:40:33,031 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 [2018-04-12 10:40:33,031 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,032 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,033 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 [2018-04-12 10:40:33,045 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf24b5a666 [2018-04-12 10:40:33,049 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 10:40:33,049 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 10:40:33,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 10:40:33,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 10:40:33,054 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 10:40:33,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:40:33" (1/1) ... [2018-04-12 10:40:33,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730b2250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:40:33, skipping insertion in model container [2018-04-12 10:40:33,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:40:33" (1/1) ... [2018-04-12 10:40:33,071 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:40:33,093 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:40:33,223 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:40:33,253 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:40:33,259 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 10:40:33,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:40:33 WrapperNode [2018-04-12 10:40:33,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 10:40:33,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 10:40:33,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 10:40:33,294 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 10:40:33,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:40:33" (1/1) ... [2018-04-12 10:40:33,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:40:33" (1/1) ... [2018-04-12 10:40:33,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:40:33" (1/1) ... [2018-04-12 10:40:33,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:40:33" (1/1) ... [2018-04-12 10:40:33,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:40:33" (1/1) ... [2018-04-12 10:40:33,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:40:33" (1/1) ... [2018-04-12 10:40:33,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:40:33" (1/1) ... [2018-04-12 10:40:33,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 10:40:33,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 10:40:33,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 10:40:33,332 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 10:40:33,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:40:33" (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 [2018-04-12 10:40:33,409 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 10:40:33,409 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 10:40:33,409 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:40:33,409 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:40:33,409 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrreplace [2018-04-12 10:40:33,409 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 10:40:33,409 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:40:33,409 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:40:33,409 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 10:40:33,410 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 10:40:33,410 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 10:40:33,410 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 10:40:33,410 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 10:40:33,410 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 10:40:33,410 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 10:40:33,410 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 10:40:33,410 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 10:40:33,410 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 10:40:33,410 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 10:40:33,410 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 10:40:33,411 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 10:40:33,411 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 10:40:33,411 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 10:40:33,411 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 10:40:33,411 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 10:40:33,411 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 10:40:33,411 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 10:40:33,411 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 10:40:33,411 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 10:40:33,411 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 10:40:33,411 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 10:40:33,412 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 10:40:33,412 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 10:40:33,412 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 10:40:33,412 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 10:40:33,412 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 10:40:33,412 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 10:40:33,412 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 10:40:33,412 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 10:40:33,412 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 10:40:33,413 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 10:40:33,413 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 10:40:33,413 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 10:40:33,413 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 10:40:33,413 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 10:40:33,413 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 10:40:33,413 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 10:40:33,413 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 10:40:33,413 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 10:40:33,413 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 10:40:33,414 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 10:40:33,414 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 10:40:33,414 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 10:40:33,414 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 10:40:33,414 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 10:40:33,414 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 10:40:33,414 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 10:40:33,414 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 10:40:33,414 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 10:40:33,414 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 10:40:33,415 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 10:40:33,415 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 10:40:33,415 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 10:40:33,415 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 10:40:33,415 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 10:40:33,415 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 10:40:33,415 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 10:40:33,415 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 10:40:33,415 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 10:40:33,415 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 10:40:33,415 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 10:40:33,415 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 10:40:33,415 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 10:40:33,416 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 10:40:33,417 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 10:40:33,417 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 10:40:33,417 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 10:40:33,417 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 10:40:33,417 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 10:40:33,417 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 10:40:33,417 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 10:40:33,417 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 10:40:33,417 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 10:40:33,417 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 10:40:33,418 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 10:40:33,418 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 10:40:33,418 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 10:40:33,418 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 10:40:33,418 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 10:40:33,418 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 10:40:33,418 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 10:40:33,418 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 10:40:33,418 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 10:40:33,418 INFO L128 BoogieDeclarations]: Found specification of procedure cstrreplace [2018-04-12 10:40:33,419 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 10:40:33,419 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 10:40:33,419 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 10:40:33,419 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 10:40:33,419 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 10:40:33,419 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 10:40:33,419 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 10:40:33,419 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 10:40:33,675 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 10:40:33,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:40:33 BoogieIcfgContainer [2018-04-12 10:40:33,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 10:40:33,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 10:40:33,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 10:40:33,679 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 10:40:33,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 10:40:33" (1/3) ... [2018-04-12 10:40:33,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae56db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:40:33, skipping insertion in model container [2018-04-12 10:40:33,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:40:33" (2/3) ... [2018-04-12 10:40:33,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae56db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:40:33, skipping insertion in model container [2018-04-12 10:40:33,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:40:33" (3/3) ... [2018-04-12 10:40:33,682 INFO L107 eAbstractionObserver]: Analyzing ICFG strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:40:33,689 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 10:40:33,693 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-12 10:40:33,724 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 10:40:33,724 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 10:40:33,725 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 10:40:33,725 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 10:40:33,725 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 10:40:33,725 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 10:40:33,725 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 10:40:33,725 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 10:40:33,725 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 10:40:33,725 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 10:40:33,732 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-04-12 10:40:33,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-12 10:40:33,738 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:40:33,739 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:40:33,739 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:40:33,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1143376374, now seen corresponding path program 1 times [2018-04-12 10:40:33,742 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:40:33,742 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:40:33,770 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:33,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:40:33,771 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:40:33,802 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:40:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:40:33,853 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:40:33,853 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:40:33,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:40:33,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:40:33,864 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:40:33,865 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2018-04-12 10:40:33,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:40:33,916 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2018-04-12 10:40:33,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 10:40:33,917 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-12 10:40:33,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:40:33,922 INFO L225 Difference]: With dead ends: 39 [2018-04-12 10:40:33,923 INFO L226 Difference]: Without dead ends: 36 [2018-04-12 10:40:33,924 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 [2018-04-12 10:40:33,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-12 10:40:33,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-12 10:40:33,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-12 10:40:33,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-12 10:40:33,945 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 10 [2018-04-12 10:40:33,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:40:33,945 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-12 10:40:33,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:40:33,945 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-12 10:40:33,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-12 10:40:33,945 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:40:33,945 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:40:33,945 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:40:33,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1143376373, now seen corresponding path program 1 times [2018-04-12 10:40:33,946 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:40:33,946 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:40:33,946 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:33,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:40:33,946 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:40:33,957 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:40:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:40:34,021 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:40:34,021 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:40:34,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:40:34,023 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:40:34,023 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:40:34,023 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 5 states. [2018-04-12 10:40:34,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:40:34,074 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-04-12 10:40:34,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:40:34,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-04-12 10:40:34,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:40:34,075 INFO L225 Difference]: With dead ends: 35 [2018-04-12 10:40:34,075 INFO L226 Difference]: Without dead ends: 35 [2018-04-12 10:40:34,076 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 [2018-04-12 10:40:34,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-12 10:40:34,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-12 10:40:34,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-12 10:40:34,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2018-04-12 10:40:34,082 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 10 [2018-04-12 10:40:34,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:40:34,082 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2018-04-12 10:40:34,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:40:34,082 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-04-12 10:40:34,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-12 10:40:34,083 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:40:34,083 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:40:34,083 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:40:34,083 INFO L82 PathProgramCache]: Analyzing trace with hash 804879302, now seen corresponding path program 1 times [2018-04-12 10:40:34,083 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:40:34,084 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:40:34,084 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:34,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:40:34,084 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:40:34,100 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:40:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:40:34,129 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:40:34,130 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:40:34,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:40:34,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:40:34,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:40:34,130 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 5 states. [2018-04-12 10:40:34,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:40:34,160 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2018-04-12 10:40:34,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 10:40:34,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-12 10:40:34,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:40:34,161 INFO L225 Difference]: With dead ends: 32 [2018-04-12 10:40:34,161 INFO L226 Difference]: Without dead ends: 32 [2018-04-12 10:40:34,161 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 [2018-04-12 10:40:34,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-12 10:40:34,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-04-12 10:40:34,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-12 10:40:34,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2018-04-12 10:40:34,163 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 15 [2018-04-12 10:40:34,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:40:34,164 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2018-04-12 10:40:34,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:40:34,164 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-04-12 10:40:34,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-12 10:40:34,164 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:40:34,164 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:40:34,164 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:40:34,164 INFO L82 PathProgramCache]: Analyzing trace with hash 804879303, now seen corresponding path program 1 times [2018-04-12 10:40:34,164 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:40:34,164 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:40:34,165 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:34,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:40:34,165 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:40:34,173 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:40:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:40:34,233 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:40:34,234 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 10:40:34,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 10:40:34,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 10:40:34,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:40:34,235 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 8 states. [2018-04-12 10:40:34,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:40:34,338 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2018-04-12 10:40:34,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 10:40:34,339 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2018-04-12 10:40:34,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:40:34,341 INFO L225 Difference]: With dead ends: 43 [2018-04-12 10:40:34,342 INFO L226 Difference]: Without dead ends: 43 [2018-04-12 10:40:34,342 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 [2018-04-12 10:40:34,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-12 10:40:34,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 38. [2018-04-12 10:40:34,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-12 10:40:34,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2018-04-12 10:40:34,345 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 15 [2018-04-12 10:40:34,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:40:34,346 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2018-04-12 10:40:34,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 10:40:34,346 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2018-04-12 10:40:34,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-12 10:40:34,347 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:40:34,347 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] [2018-04-12 10:40:34,347 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:40:34,347 INFO L82 PathProgramCache]: Analyzing trace with hash 670175660, now seen corresponding path program 1 times [2018-04-12 10:40:34,347 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:40:34,347 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:40:34,348 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:34,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:40:34,348 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:40:34,368 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:40:34,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:40:34,464 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:40:34,464 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-12 10:40:34,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 10:40:34,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 10:40:34,465 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 10:40:34,465 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 9 states. [2018-04-12 10:40:34,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:40:34,543 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-04-12 10:40:34,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 10:40:34,544 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-04-12 10:40:34,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:40:34,545 INFO L225 Difference]: With dead ends: 55 [2018-04-12 10:40:34,545 INFO L226 Difference]: Without dead ends: 55 [2018-04-12 10:40:34,545 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 [2018-04-12 10:40:34,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-12 10:40:34,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 50. [2018-04-12 10:40:34,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 10:40:34,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-04-12 10:40:34,548 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 21 [2018-04-12 10:40:34,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:40:34,548 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-04-12 10:40:34,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 10:40:34,548 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-04-12 10:40:34,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-12 10:40:34,548 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:40:34,548 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] [2018-04-12 10:40:34,548 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:40:34,548 INFO L82 PathProgramCache]: Analyzing trace with hash -609688018, now seen corresponding path program 1 times [2018-04-12 10:40:34,549 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:40:34,549 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:40:34,549 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:34,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:40:34,549 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:40:34,563 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:40:34,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:40:34,731 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:40:34,731 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:40:34,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:40:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:40:34,770 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:40:34,813 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 14 treesize of output 11 [2018-04-12 10:40:34,815 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 11 treesize of output 10 [2018-04-12 10:40:34,815 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:40:34,817 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:40:34,821 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:40:34,821 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-12 10:40:34,892 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 18 treesize of output 14 [2018-04-12 10:40:34,911 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 14 treesize of output 11 [2018-04-12 10:40:34,912 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:40:34,916 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:40:34,928 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:40:34,928 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-12 10:40:34,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:40:34,994 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:40:34,994 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 15 [2018-04-12 10:40:34,994 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 10:40:34,994 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 10:40:34,995 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2018-04-12 10:40:34,995 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 16 states. [2018-04-12 10:40:37,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:40:37,117 INFO L93 Difference]: Finished difference Result 108 states and 119 transitions. [2018-04-12 10:40:37,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 10:40:37,118 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2018-04-12 10:40:37,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:40:37,119 INFO L225 Difference]: With dead ends: 108 [2018-04-12 10:40:37,119 INFO L226 Difference]: Without dead ends: 108 [2018-04-12 10:40:37,120 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2018-04-12 10:40:37,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-04-12 10:40:37,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 58. [2018-04-12 10:40:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-12 10:40:37,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2018-04-12 10:40:37,129 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 21 [2018-04-12 10:40:37,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:40:37,130 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2018-04-12 10:40:37,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 10:40:37,130 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2018-04-12 10:40:37,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 10:40:37,131 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:40:37,131 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] [2018-04-12 10:40:37,131 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:40:37,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1279946367, now seen corresponding path program 1 times [2018-04-12 10:40:37,131 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:40:37,132 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:40:37,133 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:37,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:40:37,133 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:40:37,146 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:40:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:40:37,181 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:40:37,181 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:40:37,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:40:37,182 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:40:37,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:40:37,182 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand 4 states. [2018-04-12 10:40:37,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:40:37,214 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2018-04-12 10:40:37,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 10:40:37,214 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-04-12 10:40:37,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:40:37,215 INFO L225 Difference]: With dead ends: 57 [2018-04-12 10:40:37,215 INFO L226 Difference]: Without dead ends: 38 [2018-04-12 10:40:37,215 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:40:37,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-12 10:40:37,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-04-12 10:40:37,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-12 10:40:37,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-04-12 10:40:37,217 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 23 [2018-04-12 10:40:37,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:40:37,217 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-04-12 10:40:37,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:40:37,217 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-04-12 10:40:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 10:40:37,217 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:40:37,217 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] [2018-04-12 10:40:37,218 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:40:37,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1316236589, now seen corresponding path program 2 times [2018-04-12 10:40:37,218 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:40:37,218 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:40:37,218 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:37,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:40:37,218 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:40:37,227 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:40:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:40:37,385 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:40:37,385 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:40:37,397 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 10:40:37,414 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 10:40:37,414 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:40:37,416 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:40:37,418 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 6 treesize of output 5 [2018-04-12 10:40:37,419 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:40:37,421 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:40:37,421 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 10:40:37,442 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 [2018-04-12 10:40:37,443 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 [2018-04-12 10:40:37,443 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:40:37,444 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:40:37,447 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:40:37,447 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-12 10:40:37,523 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 [2018-04-12 10:40:37,532 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 [2018-04-12 10:40:37,533 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:40:37,535 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:40:37,542 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:40:37,542 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:49 [2018-04-12 10:40:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:40:37,593 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:40:37,593 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-04-12 10:40:37,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-12 10:40:37,593 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-12 10:40:37,593 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2018-04-12 10:40:37,594 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 18 states. [2018-04-12 10:40:38,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:40:38,136 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2018-04-12 10:40:38,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-12 10:40:38,137 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 27 [2018-04-12 10:40:38,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:40:38,137 INFO L225 Difference]: With dead ends: 75 [2018-04-12 10:40:38,137 INFO L226 Difference]: Without dead ends: 58 [2018-04-12 10:40:38,138 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=175, Invalid=881, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 10:40:38,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-12 10:40:38,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 46. [2018-04-12 10:40:38,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-12 10:40:38,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 49 transitions. [2018-04-12 10:40:38,140 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 49 transitions. Word has length 27 [2018-04-12 10:40:38,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:40:38,140 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 49 transitions. [2018-04-12 10:40:38,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-12 10:40:38,141 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2018-04-12 10:40:38,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-12 10:40:38,141 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:40:38,141 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:40:38,141 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:40:38,141 INFO L82 PathProgramCache]: Analyzing trace with hash -998111877, now seen corresponding path program 1 times [2018-04-12 10:40:38,142 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:40:38,142 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:40:38,142 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:38,142 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 10:40:38,142 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:40:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:40:38,157 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:40:38,282 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:40:38,282 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:40:38,282 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:40:38,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:40:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:40:38,318 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:40:38,324 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 [2018-04-12 10:40:38,324 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:40:38,326 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:40:38,326 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 10:40:38,346 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 15 treesize of output 12 [2018-04-12 10:40:38,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 10:40:38,347 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:40:38,348 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:40:38,349 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:40:38,349 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-12 10:40:38,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-04-12 10:40:38,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 10:40:38,400 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:40:38,406 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:40:38,431 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:40:38,432 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:27 [2018-04-12 10:40:38,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-04-12 10:40:38,508 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 [2018-04-12 10:40:38,508 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:40:38,513 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:40:38,528 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:40:38,529 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:34 [2018-04-12 10:40:38,602 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:40:38,620 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:40:38,620 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 20 [2018-04-12 10:40:38,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 10:40:38,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 10:40:38,621 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2018-04-12 10:40:38,621 INFO L87 Difference]: Start difference. First operand 46 states and 49 transitions. Second operand 21 states. [2018-04-12 10:40:39,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:40:39,016 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2018-04-12 10:40:39,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-12 10:40:39,016 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 35 [2018-04-12 10:40:39,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:40:39,016 INFO L225 Difference]: With dead ends: 45 [2018-04-12 10:40:39,016 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 10:40:39,017 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=278, Invalid=912, Unknown=0, NotChecked=0, Total=1190 [2018-04-12 10:40:39,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 10:40:39,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 10:40:39,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 10:40:39,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 10:40:39,017 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2018-04-12 10:40:39,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:40:39,017 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 10:40:39,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 10:40:39,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 10:40:39,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 10:40:39,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 10:40:39 BoogieIcfgContainer [2018-04-12 10:40:39,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 10:40:39,021 INFO L168 Benchmark]: Toolchain (without parser) took 5971.88 ms. Allocated memory was 400.0 MB in the beginning and 672.7 MB in the end (delta: 272.6 MB). Free memory was 338.2 MB in the beginning and 499.4 MB in the end (delta: -161.2 MB). Peak memory consumption was 111.4 MB. Max. memory is 5.3 GB. [2018-04-12 10:40:39,022 INFO L168 Benchmark]: CDTParser took 2.06 ms. Allocated memory is still 400.0 MB. Free memory is still 361.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 10:40:39,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.79 ms. Allocated memory is still 400.0 MB. Free memory was 338.2 MB in the beginning and 314.4 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-12 10:40:39,022 INFO L168 Benchmark]: Boogie Preprocessor took 37.78 ms. Allocated memory is still 400.0 MB. Free memory was 314.4 MB in the beginning and 311.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 10:40:39,022 INFO L168 Benchmark]: RCFGBuilder took 343.34 ms. Allocated memory was 400.0 MB in the beginning and 598.7 MB in the end (delta: 198.7 MB). Free memory was 311.8 MB in the beginning and 536.0 MB in the end (delta: -224.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-12 10:40:39,022 INFO L168 Benchmark]: TraceAbstraction took 5344.67 ms. Allocated memory was 598.7 MB in the beginning and 672.7 MB in the end (delta: 73.9 MB). Free memory was 536.0 MB in the beginning and 499.4 MB in the end (delta: 36.6 MB). Peak memory consumption was 110.5 MB. Max. memory is 5.3 GB. [2018-04-12 10:40:39,024 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.06 ms. Allocated memory is still 400.0 MB. Free memory is still 361.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 243.79 ms. Allocated memory is still 400.0 MB. Free memory was 338.2 MB in the beginning and 314.4 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.78 ms. Allocated memory is still 400.0 MB. Free memory was 314.4 MB in the beginning and 311.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 343.34 ms. Allocated memory was 400.0 MB in the beginning and 598.7 MB in the end (delta: 198.7 MB). Free memory was 311.8 MB in the beginning and 536.0 MB in the end (delta: -224.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5344.67 ms. Allocated memory was 598.7 MB in the beginning and 672.7 MB in the end (delta: 73.9 MB). Free memory was 536.0 MB in the beginning and 499.4 MB in the end (delta: 36.6 MB). Peak memory consumption was 110.5 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, 5.3s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 242 SDtfs, 467 SDslu, 964 SDs, 0 SdLazy, 889 SolverSat, 158 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 71 SyntacticMatches, 5 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 1.9s 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, 72 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 248 ConstructedInterpolants, 14 QuantifiedInterpolants, 65898 SizeOfPredicates, 25 NumberOfNonLiveVariables, 356 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 12/74 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_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_10-40-39-032.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_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_10-40-39-032.csv Received shutdown request...