java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/array-memsafety/strreplace-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 04:54:10,294 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 04:54:10,296 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 04:54:10,309 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-13 04:54:10,316 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 04:54:10,316 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 04:54:10,317 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 04:54:10,318 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 04:54:10,320 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 04:54:10,321 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 04:54:10,323 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 04:54:10,324 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 04:54:10,325 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 04:54:10,326 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-13 04:54:10,331 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-13 04:54:10,341 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 04:54:10,342 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 04:54:10,343 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 04:54:10,343 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 04:54:10,343 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 04:54:10,343 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 04:54:10,343 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 04:54:10,343 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 04:54:10,343 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 04:54:10,343 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 04:54:10,344 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 04:54:10,344 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 04:54:10,344 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 04:54:10,344 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 04:54:10,344 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 04:54:10,344 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 04:54:10,344 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 04:54:10,344 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 04:54:10,344 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 04:54:10,344 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 04:54:10,345 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 04:54:10,345 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-13 04:54:10,345 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-13 04:54:10,345 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-13 04:54:10,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 04:54:10,385 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 04:54:10,389 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 04:54:10,390 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 04:54:10,392 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 04:54:10,393 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 [2018-04-13 04:54:10,672 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGcacf6ba51 [2018-04-13 04:54:10,809 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 04:54:10,810 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 04:54:10,810 INFO L168 CDTParser]: Scanning strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:54:10,816 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 04:54:10,816 INFO L215 ultiparseSymbolTable]: [2018-04-13 04:54:10,817 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 04:54:10,817 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:54:10,817 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 [2018-04-13 04:54:10,817 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 [2018-04-13 04:54:10,817 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 [2018-04-13 04:54:10,817 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 04:54:10,817 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 [2018-04-13 04:54:10,817 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 [2018-04-13 04:54:10,818 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 [2018-04-13 04:54:10,818 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 [2018-04-13 04:54:10,818 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 [2018-04-13 04:54:10,818 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 [2018-04-13 04:54:10,818 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 [2018-04-13 04:54:10,818 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 [2018-04-13 04:54:10,818 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 [2018-04-13 04:54:10,818 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 [2018-04-13 04:54:10,819 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 [2018-04-13 04:54:10,819 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 [2018-04-13 04:54:10,819 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 [2018-04-13 04:54:10,819 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 [2018-04-13 04:54:10,819 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 [2018-04-13 04:54:10,819 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 [2018-04-13 04:54:10,819 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 [2018-04-13 04:54:10,819 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 [2018-04-13 04:54:10,819 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 [2018-04-13 04:54:10,819 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 [2018-04-13 04:54:10,820 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 [2018-04-13 04:54:10,820 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 [2018-04-13 04:54:10,820 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 [2018-04-13 04:54:10,820 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 [2018-04-13 04:54:10,820 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 [2018-04-13 04:54:10,820 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 [2018-04-13 04:54:10,820 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 [2018-04-13 04:54:10,820 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 [2018-04-13 04:54:10,821 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 [2018-04-13 04:54:10,821 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 [2018-04-13 04:54:10,821 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 [2018-04-13 04:54:10,821 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 [2018-04-13 04:54:10,821 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 [2018-04-13 04:54:10,821 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 [2018-04-13 04:54:10,821 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 [2018-04-13 04:54:10,821 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 [2018-04-13 04:54:10,821 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 [2018-04-13 04:54:10,822 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 [2018-04-13 04:54:10,822 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 [2018-04-13 04:54:10,822 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 [2018-04-13 04:54:10,822 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 [2018-04-13 04:54:10,822 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 [2018-04-13 04:54:10,822 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 [2018-04-13 04:54:10,822 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 [2018-04-13 04:54:10,822 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 [2018-04-13 04:54:10,822 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 [2018-04-13 04:54:10,822 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 [2018-04-13 04:54:10,822 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 [2018-04-13 04:54:10,823 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 [2018-04-13 04:54:10,823 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 [2018-04-13 04:54:10,823 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 [2018-04-13 04:54:10,823 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 [2018-04-13 04:54:10,823 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 [2018-04-13 04:54:10,823 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 [2018-04-13 04:54:10,823 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 [2018-04-13 04:54:10,823 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 [2018-04-13 04:54:10,823 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 [2018-04-13 04:54:10,823 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 [2018-04-13 04:54:10,823 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 [2018-04-13 04:54:10,823 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 [2018-04-13 04:54:10,823 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,824 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,825 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,826 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 [2018-04-13 04:54:10,842 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGcacf6ba51 [2018-04-13 04:54:10,846 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 04:54:10,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 04:54:10,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 04:54:10,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 04:54:10,851 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 04:54:10,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 04:54:10" (1/1) ... [2018-04-13 04:54:10,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f84bba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:54:10, skipping insertion in model container [2018-04-13 04:54:10,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 04:54:10" (1/1) ... [2018-04-13 04:54:10,866 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 04:54:10,888 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 04:54:11,016 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 04:54:11,049 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 04:54:11,054 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-13 04:54:11,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:54:11 WrapperNode [2018-04-13 04:54:11,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 04:54:11,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 04:54:11,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 04:54:11,091 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 04:54:11,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:54:11" (1/1) ... [2018-04-13 04:54:11,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:54:11" (1/1) ... [2018-04-13 04:54:11,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:54:11" (1/1) ... [2018-04-13 04:54:11,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:54:11" (1/1) ... [2018-04-13 04:54:11,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:54:11" (1/1) ... [2018-04-13 04:54:11,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:54:11" (1/1) ... [2018-04-13 04:54:11,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:54:11" (1/1) ... [2018-04-13 04:54:11,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 04:54:11,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 04:54:11,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 04:54:11,129 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 04:54:11,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:54:11" (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 [2018-04-13 04:54:11,218 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 04:54:11,218 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 04:54:11,219 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-13 04:54:11,219 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-13 04:54:11,219 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrreplace [2018-04-13 04:54:11,219 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 04:54:11,219 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-13 04:54:11,219 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fstrreplace_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-13 04:54:11,219 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-13 04:54:11,219 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-13 04:54:11,219 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-13 04:54:11,219 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-13 04:54:11,219 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-13 04:54:11,219 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-13 04:54:11,219 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-13 04:54:11,220 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-13 04:54:11,221 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-13 04:54:11,222 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-13 04:54:11,223 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-13 04:54:11,223 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-13 04:54:11,223 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-13 04:54:11,223 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-13 04:54:11,223 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-13 04:54:11,223 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-13 04:54:11,223 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-13 04:54:11,223 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-13 04:54:11,223 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-13 04:54:11,223 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-13 04:54:11,223 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-13 04:54:11,224 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-13 04:54:11,224 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-13 04:54:11,224 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-13 04:54:11,224 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-13 04:54:11,224 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-13 04:54:11,224 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-13 04:54:11,224 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-13 04:54:11,225 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-13 04:54:11,225 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-13 04:54:11,225 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-13 04:54:11,225 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-13 04:54:11,225 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-13 04:54:11,225 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-13 04:54:11,225 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-13 04:54:11,225 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-13 04:54:11,225 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-13 04:54:11,226 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-13 04:54:11,226 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-13 04:54:11,226 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-13 04:54:11,226 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-13 04:54:11,226 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-13 04:54:11,226 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-13 04:54:11,226 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-13 04:54:11,226 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-13 04:54:11,226 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-13 04:54:11,226 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-13 04:54:11,227 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-13 04:54:11,227 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-13 04:54:11,227 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-13 04:54:11,227 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-13 04:54:11,227 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-13 04:54:11,227 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-13 04:54:11,227 INFO L128 BoogieDeclarations]: Found specification of procedure cstrreplace [2018-04-13 04:54:11,227 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-13 04:54:11,227 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-13 04:54:11,227 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 04:54:11,228 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 04:54:11,228 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 04:54:11,228 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 04:54:11,228 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 04:54:11,228 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-13 04:54:11,507 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 04:54:11,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 04:54:11 BoogieIcfgContainer [2018-04-13 04:54:11,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 04:54:11,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 04:54:11,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 04:54:11,510 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 04:54:11,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 04:54:10" (1/3) ... [2018-04-13 04:54:11,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0fde6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 04:54:11, skipping insertion in model container [2018-04-13 04:54:11,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:54:11" (2/3) ... [2018-04-13 04:54:11,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0fde6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 04:54:11, skipping insertion in model container [2018-04-13 04:54:11,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 04:54:11" (3/3) ... [2018-04-13 04:54:11,513 INFO L107 eAbstractionObserver]: Analyzing ICFG strreplace-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:54:11,521 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-13 04:54:11,528 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-13 04:54:11,562 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 04:54:11,562 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 04:54:11,562 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 04:54:11,562 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-13 04:54:11,562 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-13 04:54:11,562 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 04:54:11,562 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 04:54:11,562 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 04:54:11,563 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 04:54:11,563 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 04:54:11,570 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-04-13 04:54:11,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-13 04:54:11,576 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:54:11,576 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:54:11,576 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:54:11,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1143376374, now seen corresponding path program 1 times [2018-04-13 04:54:11,580 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:54:11,580 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:54:11,608 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:11,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:54:11,608 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:54:11,648 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:54:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:54:11,683 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:54:11,683 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 04:54:11,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 04:54:11,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 04:54:11,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 04:54:11,698 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2018-04-13 04:54:11,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:54:11,768 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2018-04-13 04:54:11,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 04:54:11,769 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-13 04:54:11,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:54:11,775 INFO L225 Difference]: With dead ends: 39 [2018-04-13 04:54:11,775 INFO L226 Difference]: Without dead ends: 36 [2018-04-13 04:54:11,777 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 [2018-04-13 04:54:11,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-13 04:54:11,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-13 04:54:11,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-13 04:54:11,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-13 04:54:11,801 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 10 [2018-04-13 04:54:11,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:54:11,802 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-13 04:54:11,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 04:54:11,802 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-13 04:54:11,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-13 04:54:11,802 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:54:11,802 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:54:11,802 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:54:11,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1143376373, now seen corresponding path program 1 times [2018-04-13 04:54:11,803 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:54:11,803 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:54:11,804 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:11,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:54:11,804 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:54:11,814 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:54:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:54:11,871 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:54:11,872 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 04:54:11,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 04:54:11,873 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 04:54:11,873 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 04:54:11,874 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 5 states. [2018-04-13 04:54:11,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:54:11,933 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-04-13 04:54:11,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 04:54:11,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-04-13 04:54:11,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:54:11,934 INFO L225 Difference]: With dead ends: 35 [2018-04-13 04:54:11,934 INFO L226 Difference]: Without dead ends: 35 [2018-04-13 04:54:11,935 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 [2018-04-13 04:54:11,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-13 04:54:11,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-13 04:54:11,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-13 04:54:11,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2018-04-13 04:54:11,937 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 10 [2018-04-13 04:54:11,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:54:11,937 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2018-04-13 04:54:11,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 04:54:11,938 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-04-13 04:54:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-13 04:54:11,938 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:54:11,938 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:54:11,938 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:54:11,938 INFO L82 PathProgramCache]: Analyzing trace with hash 804879302, now seen corresponding path program 1 times [2018-04-13 04:54:11,938 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:54:11,938 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:54:11,939 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:11,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:54:11,939 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:54:11,955 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:54:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:54:11,984 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:54:11,984 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 04:54:11,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 04:54:11,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 04:54:11,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 04:54:11,985 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 5 states. [2018-04-13 04:54:12,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:54:12,019 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2018-04-13 04:54:12,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 04:54:12,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-13 04:54:12,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:54:12,020 INFO L225 Difference]: With dead ends: 32 [2018-04-13 04:54:12,020 INFO L226 Difference]: Without dead ends: 32 [2018-04-13 04:54:12,020 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 [2018-04-13 04:54:12,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-13 04:54:12,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-04-13 04:54:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-13 04:54:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2018-04-13 04:54:12,022 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 15 [2018-04-13 04:54:12,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:54:12,022 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2018-04-13 04:54:12,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 04:54:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-04-13 04:54:12,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-13 04:54:12,023 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:54:12,023 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:54:12,023 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:54:12,023 INFO L82 PathProgramCache]: Analyzing trace with hash 804879303, now seen corresponding path program 1 times [2018-04-13 04:54:12,023 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:54:12,023 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:54:12,024 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:12,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:54:12,024 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:54:12,032 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:54:12,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:54:12,092 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:54:12,093 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-13 04:54:12,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 04:54:12,093 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 04:54:12,093 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-13 04:54:12,093 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 8 states. [2018-04-13 04:54:12,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:54:12,187 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2018-04-13 04:54:12,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 04:54:12,187 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2018-04-13 04:54:12,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:54:12,190 INFO L225 Difference]: With dead ends: 43 [2018-04-13 04:54:12,190 INFO L226 Difference]: Without dead ends: 43 [2018-04-13 04:54:12,190 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 [2018-04-13 04:54:12,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-13 04:54:12,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 38. [2018-04-13 04:54:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-13 04:54:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2018-04-13 04:54:12,194 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 15 [2018-04-13 04:54:12,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:54:12,194 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2018-04-13 04:54:12,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 04:54:12,195 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2018-04-13 04:54:12,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-13 04:54:12,195 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:54:12,195 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] [2018-04-13 04:54:12,195 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:54:12,195 INFO L82 PathProgramCache]: Analyzing trace with hash 670175660, now seen corresponding path program 1 times [2018-04-13 04:54:12,196 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:54:12,196 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:54:12,196 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:12,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:54:12,197 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:54:12,213 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:54:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:54:12,316 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:54:12,317 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-13 04:54:12,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 04:54:12,317 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 04:54:12,317 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-13 04:54:12,317 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 9 states. [2018-04-13 04:54:12,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:54:12,386 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-04-13 04:54:12,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-13 04:54:12,386 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-04-13 04:54:12,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:54:12,387 INFO L225 Difference]: With dead ends: 55 [2018-04-13 04:54:12,387 INFO L226 Difference]: Without dead ends: 55 [2018-04-13 04:54:12,387 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 [2018-04-13 04:54:12,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-13 04:54:12,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 50. [2018-04-13 04:54:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-13 04:54:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-04-13 04:54:12,391 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 21 [2018-04-13 04:54:12,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:54:12,392 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-04-13 04:54:12,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 04:54:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-04-13 04:54:12,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-13 04:54:12,392 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:54:12,392 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] [2018-04-13 04:54:12,393 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:54:12,393 INFO L82 PathProgramCache]: Analyzing trace with hash -609688018, now seen corresponding path program 1 times [2018-04-13 04:54:12,393 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:54:12,393 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:54:12,394 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:12,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:54:12,394 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:54:12,406 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:54:12,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:54:12,577 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:54:12,577 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:54:12,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:54:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:54:12,617 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:54:12,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 04:54:12,647 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:54:12,649 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:54:12,649 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 04:54:12,672 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 [2018-04-13 04:54:12,675 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 [2018-04-13 04:54:12,675 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:54:12,677 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:54:12,681 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:54:12,682 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2018-04-13 04:54:12,769 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 [2018-04-13 04:54:12,777 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 [2018-04-13 04:54:12,778 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 04:54:12,782 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:54:12,792 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:54:12,793 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:54 [2018-04-13 04:54:12,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:54:12,864 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 04:54:12,864 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2018-04-13 04:54:12,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 04:54:12,864 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 04:54:12,865 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2018-04-13 04:54:12,865 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 18 states. [2018-04-13 04:54:13,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:54:13,311 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2018-04-13 04:54:13,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 04:54:13,311 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 21 [2018-04-13 04:54:13,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:54:13,312 INFO L225 Difference]: With dead ends: 103 [2018-04-13 04:54:13,312 INFO L226 Difference]: Without dead ends: 103 [2018-04-13 04:54:13,313 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=141, Invalid=729, Unknown=0, NotChecked=0, Total=870 [2018-04-13 04:54:13,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-13 04:54:13,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 58. [2018-04-13 04:54:13,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-13 04:54:13,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2018-04-13 04:54:13,318 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 21 [2018-04-13 04:54:13,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:54:13,319 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2018-04-13 04:54:13,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 04:54:13,319 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2018-04-13 04:54:13,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-13 04:54:13,319 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:54:13,320 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] [2018-04-13 04:54:13,320 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:54:13,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1279946367, now seen corresponding path program 1 times [2018-04-13 04:54:13,320 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:54:13,320 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:54:13,321 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:13,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:54:13,321 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:54:13,334 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:54:13,339 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 04:54:13,339 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:54:13,339 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:54:13,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:54:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:54:13,357 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:54:13,372 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:54:13,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-13 04:54:13,373 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:54:13,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 04:54:13,374 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-13 04:54:13,390 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc7.base| Int)) (and (= (select |c_old(#valid)| |main_#t~malloc7.base|) 0) (= (store |c_old(#valid)| |main_#t~malloc7.base| 0) |c_#valid|))) is different from true [2018-04-13 04:54:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:54:13,394 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:54:13,394 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 04:54:13,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 04:54:13,394 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 04:54:13,395 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30 [2018-04-13 04:54:13,395 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand 6 states. [2018-04-13 04:54:13,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:54:13,433 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2018-04-13 04:54:13,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 04:54:13,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-13 04:54:13,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:54:13,434 INFO L225 Difference]: With dead ends: 57 [2018-04-13 04:54:13,434 INFO L226 Difference]: Without dead ends: 38 [2018-04-13 04:54:13,435 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=28, Unknown=1, NotChecked=10, Total=56 [2018-04-13 04:54:13,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-13 04:54:13,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-04-13 04:54:13,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-13 04:54:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-04-13 04:54:13,436 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 23 [2018-04-13 04:54:13,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:54:13,437 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-04-13 04:54:13,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 04:54:13,437 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-04-13 04:54:13,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-13 04:54:13,437 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:54:13,437 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] [2018-04-13 04:54:13,437 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:54:13,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1316236589, now seen corresponding path program 2 times [2018-04-13 04:54:13,437 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:54:13,437 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:54:13,438 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:13,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:54:13,438 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:54:13,451 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:54:13,602 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:54:13,602 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:54:13,602 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:54:13,603 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 04:54:13,629 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 04:54:13,630 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 04:54:13,641 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:54:13,644 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 [2018-04-13 04:54:13,645 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:54:13,648 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:54:13,648 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 04:54:13,657 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 [2018-04-13 04:54:13,659 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 [2018-04-13 04:54:13,659 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:54:13,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:54:13,664 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:54:13,665 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-04-13 04:54:13,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-13 04:54:13,749 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 [2018-04-13 04:54:13,749 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 04:54:13,752 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:54:13,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:54:13,758 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:40 [2018-04-13 04:54:13,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:54:13,810 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 04:54:13,810 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2018-04-13 04:54:13,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-13 04:54:13,811 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-13 04:54:13,811 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2018-04-13 04:54:13,811 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 19 states. [2018-04-13 04:54:14,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:54:14,178 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2018-04-13 04:54:14,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-13 04:54:14,178 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 27 [2018-04-13 04:54:14,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:54:14,179 INFO L225 Difference]: With dead ends: 86 [2018-04-13 04:54:14,179 INFO L226 Difference]: Without dead ends: 86 [2018-04-13 04:54:14,179 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 17 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=908, Unknown=0, NotChecked=0, Total=1056 [2018-04-13 04:54:14,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-04-13 04:54:14,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 46. [2018-04-13 04:54:14,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-13 04:54:14,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-04-13 04:54:14,182 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 27 [2018-04-13 04:54:14,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:54:14,183 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-04-13 04:54:14,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-13 04:54:14,183 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-04-13 04:54:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-13 04:54:14,183 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:54:14,183 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:54:14,183 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrreplaceErr4RequiresViolation, cstrreplaceErr5RequiresViolation, cstrreplaceErr3RequiresViolation, cstrreplaceErr0RequiresViolation, cstrreplaceErr1RequiresViolation, cstrreplaceErr2RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:54:14,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1827794872, now seen corresponding path program 3 times [2018-04-13 04:54:14,184 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:54:14,184 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:54:14,184 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:14,184 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 04:54:14,184 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:54:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:54:14,194 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:54:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-13 04:54:14,276 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:54:14,276 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:54:14,276 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-13 04:54:14,306 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-13 04:54:14,306 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 04:54:14,309 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:54:14,316 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 [2018-04-13 04:54:14,316 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:54:14,318 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:54:14,318 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 04:54:14,325 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 [2018-04-13 04:54:14,326 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 [2018-04-13 04:54:14,326 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:54:14,328 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:54:14,330 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:54:14,330 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-04-13 04:54:14,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-13 04:54:14,386 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 [2018-04-13 04:54:14,386 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 04:54:14,388 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:54:14,392 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:54:14,393 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:34 [2018-04-13 04:54:14,432 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:54:14,432 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 04:54:14,433 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2018-04-13 04:54:14,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 04:54:14,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 04:54:14,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2018-04-13 04:54:14,433 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 18 states. [2018-04-13 04:54:14,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:54:14,841 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2018-04-13 04:54:14,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-13 04:54:14,841 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 33 [2018-04-13 04:54:14,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:54:14,841 INFO L225 Difference]: With dead ends: 53 [2018-04-13 04:54:14,841 INFO L226 Difference]: Without dead ends: 0 [2018-04-13 04:54:14,842 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=226, Invalid=964, Unknown=0, NotChecked=0, Total=1190 [2018-04-13 04:54:14,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-13 04:54:14,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-13 04:54:14,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-13 04:54:14,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-13 04:54:14,842 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-04-13 04:54:14,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:54:14,843 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-13 04:54:14,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 04:54:14,843 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-13 04:54:14,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-13 04:54:14,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 04:54:14 BoogieIcfgContainer [2018-04-13 04:54:14,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-13 04:54:14,846 INFO L168 Benchmark]: Toolchain (without parser) took 3999.34 ms. Allocated memory was 402.1 MB in the beginning and 680.0 MB in the end (delta: 277.9 MB). Free memory was 339.2 MB in the beginning and 575.8 MB in the end (delta: -236.6 MB). Peak memory consumption was 41.3 MB. Max. memory is 5.3 GB. [2018-04-13 04:54:14,847 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 402.1 MB. Free memory is still 363.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 04:54:14,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.31 ms. Allocated memory is still 402.1 MB. Free memory was 339.2 MB in the beginning and 315.4 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-13 04:54:14,848 INFO L168 Benchmark]: Boogie Preprocessor took 38.41 ms. Allocated memory is still 402.1 MB. Free memory was 315.4 MB in the beginning and 312.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-13 04:54:14,848 INFO L168 Benchmark]: RCFGBuilder took 378.23 ms. Allocated memory was 402.1 MB in the beginning and 600.8 MB in the end (delta: 198.7 MB). Free memory was 312.8 MB in the beginning and 537.5 MB in the end (delta: -224.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-13 04:54:14,849 INFO L168 Benchmark]: TraceAbstraction took 3337.71 ms. Allocated memory was 600.8 MB in the beginning and 680.0 MB in the end (delta: 79.2 MB). Free memory was 537.5 MB in the beginning and 575.8 MB in the end (delta: -38.2 MB). Peak memory consumption was 40.9 MB. Max. memory is 5.3 GB. [2018-04-13 04:54:14,851 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 402.1 MB. Free memory is still 363.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 242.31 ms. Allocated memory is still 402.1 MB. Free memory was 339.2 MB in the beginning and 315.4 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.41 ms. Allocated memory is still 402.1 MB. Free memory was 315.4 MB in the beginning and 312.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 378.23 ms. Allocated memory was 402.1 MB in the beginning and 600.8 MB in the end (delta: 198.7 MB). Free memory was 312.8 MB in the beginning and 537.5 MB in the end (delta: -224.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3337.71 ms. Allocated memory was 600.8 MB in the beginning and 680.0 MB in the end (delta: 79.2 MB). Free memory was 537.5 MB in the beginning and 575.8 MB in the end (delta: -38.2 MB). Peak memory consumption was 40.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 46 locations, 9 error locations. SAFE Result, 3.2s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 244 SDtfs, 648 SDslu, 977 SDs, 0 SdLazy, 896 SolverSat, 201 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 80 SyntacticMatches, 8 SemanticMatches, 129 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 95 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 244 ConstructedInterpolants, 12 QuantifiedInterpolants, 57912 SizeOfPredicates, 28 NumberOfNonLiveVariables, 447 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 8/74 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/strreplace-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_04-54-14-858.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/strreplace-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-13_04-54-14-858.csv Received shutdown request...